AU2002215289A1 - Intralabial sanitary device with absorbing core of a preformed hydrogel - Google Patents
Intralabial sanitary device with absorbing core of a preformed hydrogelInfo
- Publication number
- AU2002215289A1 AU2002215289A1 AU2002215289A AU2002215289A AU2002215289A1 AU 2002215289 A1 AU2002215289 A1 AU 2002215289A1 AU 2002215289 A AU2002215289 A AU 2002215289A AU 2002215289 A AU2002215289 A AU 2002215289A AU 2002215289 A1 AU2002215289 A1 AU 2002215289A1
- Authority
- AU
- Australia
- Prior art keywords
- protection means
- sanitary protection
- gripping
- absorbent sanitary
- hydrogel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000017 hydrogel Substances 0.000 title claims description 32
- 238000010521 absorption reaction Methods 0.000 claims description 31
- 230000002745 absorbent Effects 0.000 claims description 24
- 239000002250 absorbent Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 18
- 238000009736 wetting Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 229920001282 polysaccharide Polymers 0.000 claims description 2
- 239000005017 polysaccharide Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 23
- 210000004400 mucous membrane Anatomy 0.000 description 9
- 241001313288 Labia Species 0.000 description 5
- 210000003029 clitoris Anatomy 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 210000001215 vagina Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000004392 genitalia Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- 230000005906 menstruation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000002640 perineum Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Description
Intralabial sanitary device with absorbing core of a preformed hydrogel
The invention relates to an absorbent sanitary protection means which is designed so as to be worn intralabially and comprises an anatomically shaped absorption body with a first surface which is intended to face a wearer during use and a second surface which is intended to face away from the wearer during use.
BACKGROUND ART
There are a great many different types of absorbent protection means for use in connection with menstruation. The most common are sanitary towels and panty liners which are absorbent protection means which are worn outside the body and are in most cases fastened in the briefs of the wearer and there collect and absorb the menstrual fluid discharged. Internal sanitary protection means also exist in the form of tampons, or liquid-collecting arrangements which are inserted into the vagina of the user. A third category of sanitary protection means, which have thus far not achieved market penetration, are what are known as intralabial protection means, which are worn entirely or partly between the labia of the wearer. Such protection means combine the advantages of both the other types of sanitary protection means. The intralabial protection means are therefore small and unobtrusive to wear, like the internal protection means. Furthermore, the intralabial protection means are not inserted into the vagina, which many wearers consider an advantage.
However, previously known intralabial protection means suffer from a number of disadvantages, which has resulted in them not achieving commercial success in spite of their good characteristics. One problem is to keep the protection means in place during use. If the protection means is fastened in a conventional manner by means of glue or the like in the briefs of the wearer,
it will move together with the briefs when the wearer moves. This means that there is a risk of it moving out of position and losing its contact with the body of the wearer. As an intralabial protection means must be made relatively small and short so as to be accommodated between the labia of the wearer, even small movements of the protection means result in the risk of leakage past the protection means being drastically increased. If, however, the protection means is not fastened in the use position at all, there is a risk that it will fall out or move if a gap arises between the body of the wearer and the underwear. It is also a disadvantage if, when visiting the lavatory, the protection means comes loose and, for example, falls down into the toilet.
Another major problem is that the intralabial protection means which have previously been available feel uncomfortable to wear. This is due to the fact that the region between the labia is very sensitive to chafing and pressure, and it has therefore proved to be virtually impossible to combine demands for a comfortable protection means with requirements for adequate absorption capacity and leakage security.
A demand therefore still exists for an effectively functioning intralabial sanitary protection means which is comfortable to wear and stays safely in place during use and which moreover affords satisfactory leakproofness.
By means of the present invention, however, an absorbent sanitary protection means of the type referred to in the introduction has been produced, in which the disadvantages and problems from which previously known sanitary protection means for intralabial use suffered have essentially been eliminated. A product made according to the invention is characterized mainly in that the absorption body of the product consists of a preformed, at least partly dehydrated hydrogel and is in the shape of a spoon with a cup- shaped portion arranged on the first surface and an elongate handle-shaped portion which, by means of the preforming, comprises a portion which, on
wetting, swells and forms a raised portion on the first surface of the protection means.
As a result of the special design of the sanitary protection means, a particularly good anatomical fit and consequently good retention of the protection means during use as well as a high degree of leakage security are achieved. Moreover, it is ensured that the sanitary protection means is from the outset positioned correctly in relation to the body of the wearer. In this connection, the sanitary protection means is arranged with the spoon-shaped part over the clitoris of the wearer and the elongate handle part over the vaginal orifice. The accuracy of positioning which can in this way be brought about ensures that the raised portion will be formed in the correct place in relation to the body of the wearer.
Since an absorbent sanitary protection means according to the invention is relatively small and in this respect suitably has a length which does not exceed approximately 8.5 cm, it can be an advantage if the sanitary protection means comprises a gripping means for removal of the protection means after use. In this connection, suitable gripping means are gripping loops, removal strings, gripping tabs or the like. The gripping means can be made of the same material as the remainder of the sanitary protection means and therefore constitute an integral part thereof, or the gripping means can alternatively be a separate component which is fastened to the sanitary protection means. In this connection, the gripping means can be moulded into the hydrogel, or be glued, welded or mechanically fixed to the sanitary protection means.
A gripping means in the form of a gripping tab or a gripping loop can also be used in order to facilitate application of the sanitary protection means over the clitoris and the vaginal orifice.
The hydrogel is made of a material which does not irritate the mucous membranes of the wearer and can in this respect comprise polymers based
on vinyl alcohol, polyacrylate, polymethacrylate, polyethylene oxide, polysaccharide, acrylamide, vinyl pyrrolidone, polyethers, amino acids or urethane, and also mixtures, copolymers and derivatives thereof.
When the sanitary protection means is manufactured by moulding in a mould, a skin-like surface is formed on the second surface of the hydrogel. Such a skin-like surface functions as a liquid barrier which prevents liquid from leaking out from the protection means. Alternatively, it is of course possible to provide the sanitary protection means with a separate liquid-blocking layer in the form of a plastic film, or a coating of a liquid-blocking material.
The absorbent sanitary protection means is imparted, suitably by moulding swollen hydrogel, an anatomically adapted shape with a cup-shaped front portion and an elongate rear portion with a raised portion. The shaped swollen hydrogel is dehydrated, entirely or at least to such an extent that the hydrogel can reabsorb liquid when it is subjected to wetting during use in an absorbent sanitary protection means. The resulting protection means is, after dehydration, ready for use.
When the protection means is used, the hydrogel will absorb bodily fluid and then swell to its original, predetermined shape with a rear raised portion. At the same time, the liquid absorption means that the surface of the hydrogel becomes sticky, which, in a gentle and comfortable manner, allows easy adhesion of the protection means to the mucous membranes between the labia of the wearer. During the course of absorption, an underpressure also arises in the absorption material, which contributes to the protection means being retained against the body of the wearer. The sticky surface remains moist during use, which results in the risk of the mucous membranes of the wearer drying out being eliminated. When use is made of conventional fibrous absorption materials and conventional surface materials which are designed so as to carry liquid away rapidly from the surface of the absorbent product, drying out of the mucous membranes is a considerable problem.
Moreover, a dry surface on an absorbent product which is in contact with sensitive body surfaces, such as mucous membranes, leads to an increased risk of chafing and other mechanical irritation.
The adhesion capacity of the wet hydrogel, together with the anatomically adapted shape of the sanitary protection means, results in the protection means staying safely in place during use, without chafing or otherwise irritating the mucous membranes of the wearer. The exceptionally good fit and reliable attachment makes it possible to design the protection means so as to be small and unobtrusive, without jeopardizing the leakage security. This means that the protection means is less bulky and uncomfortable to wear than the previously known intralabial protection means which consist essentially of conventional fibrous absorption materials.
If greater absorption capacity is required, or when the anticipated liquid flow is relatively great, the liquid absorption capacity of the sanitary protection means can be increased by arranging an absorption material with a higher liquid absorption rate inside the raised portion of the protection means. A suitable such absorption material is absorbent foam. The inner absorption material is suitably exposed for receiving liquid through an opening in the hydrogel on the first surface of the sanitary protection means.
According to an alternative embodiment, the sanitary protection means can be designed with a raised portion, in which one or more cavities or wells are arranged, which are open for liquid to flow in on the first side of the sanitary protection means. Liquid which cannot be absorbed immediately by the hydrogel can be caught temporarily in the wells and then absorbed gradually by the hydrogel. This embodiment is a simpler variant of the embodiment mentioned previously with an inner absorption body in the raised portion. The absorbent sanitary protection means according to the invention is suitably designed so as to follow the anatomy closely in the genital area of a female wearer. In this connection, the spoon-shaped portion suitably has a
length of 15-20 mm, and the handle part has a length of 55-65 mm. If the sanitary protection means is provided with a raised portion, this should suitably be positioned at a distance from the spoon-shaped portion of approximately 10 mm, measured in the longitudinal direction of the protection means. The raised portion then suitably has a length of 30-35 mm, which leaves an essentially plane portion behind the raised portion with an extent in the longitudinal direction which is 15-20 mm. The overall length of the sanitary protection means is suitably approximately 85 mm. The width, that is to say the extent in the transverse direction, of the sanitary protection means is suitably 5-20 mm, and preferably 10-15 mm, at the widest point of the spoon-shaped portion. The handle-shaped portion suitably has a maximum width of 20 mm, and the width of the raised portion is approximately 10 mm.
One advantage of a protection means according to the invention is that its small size and great flexibility allow the protection means to be flushed away after use. A used protection means can therefore be disposed of in a simple and convenient manner.
A sanitary protection means according to the invention can, in the event of heavy flows or when increased leakage security is desired, for example for night use, be used in combination with a panty liner or a sanitary towel.
BRIEF DESCRIPTION OF DRAWINGS
The invention will be described in greater detail below with reference to the exemplary embodiments shown in the appended drawings, in which
Figure 1 shows a side view of a sanitary protection means as it appears before use, Figure 2 shows a side view of the sanitary protection means in Figure 1 as it appears during use, after wetting,
Figure 3 shows the sanitary protection means in Figures 1 and 2, seen from above, in its state of use,
Figure 4 shows a side view of a sanitary protection means according to an embodiment of the invention,
Figure 5 shows a side view of a sanitary protection means according to another embodiment of the invention, and
Figure 6 shows a sanitary protection means according to a further embodiment of the invention.
MODE(S) FOR CARRYING OUT THE INVENTION
The sanitary protection means 1 shown in Figures 1 , 2 and 3 is made from hydrogel which has been moulded into the spoon shape shown, with a front, cup-shaped portion 2 which is intended to face forwards on the wearer during use and is arranged with the cup-shaped portion against the body of the wearer, over the clitoris of the wearer. The sanitary protection means also has an elongate rear portion 3 which is to face backwards on the wearer during use and be positioned over the vaginal orifice and extend backwards towards the perineum.
The sanitary protection means 1 has a lower surface 4 which is intended to face away from the wearer during use. In this connection, the lower surface is suitably liquid impermeable and can consist of a layer of liquid impermeable material, such as plastic film, or a coating of a liquid impermeable material. Alternatively, the sanitary protection means can be manufactured in such a manner that an essentially liquid impermeable skin is formed on the lower surface.
The sanitary protection means 1 also has an upper surface 5 which is intended to face the wearer when the protection means is in use. The upper surface 5 receives liquid and admits it into the sanitary protection means. For this purpose, the upper surface can be covered by an open surface layer of hydrophilic or hydrophobic material. If the liquid-receiving surface consists of a hydrogel surface, a slightly sticky, adhesive and moist surface is obtained during absorption, which is advantageous as on the one hand it is kind to the mucous membranes of the wearer and on the other hand it ensures that the sanitary protection means stays safely in place during use.
When the sanitary protection means is wetted during use, the hydrogel absorbs liquid and swells, whereupon the rear portion 3 forms a raised portion 6, as shown in Figures 2 and 3. The shape and size of the raised portion 6 are already determined during manufacture of the sanitary protection means when the swollen hydrogel is moulded into an anatomically adapted shape. When the hydrogel swells, its surface also becomes moist and slightly sticky, which affords soft and comfortable adhesion of the protection means to the body of the wearer and keeps the mucous membranes between the labia of the wearer moist. This results in the risk of drying out and chafing of the mucous membranes being eliminated. The swollen hydrogel is soft and flexible, and also elastic, which means that the sanitary protection means according to the invention is virtually imperceptible for the wearer when it is being worn. By virtue of the soft structure of the protection means, the latter shapes itself according to the body of the wearer, and discomfort in the form of pressure or penetration of sharp corners or the like is avoided. The liquid underpressure which arises in the hydrogel during the course of absorption also contributes, as mentioned previously, to the adhesion capacity of the sanitary protection means and is therefore advantageous for retention of the protection means during use.
As a sanitary protection means according to the invention becomes soft, flexible and sticky after wetting, it is an advantage if it is provided with some
form of gripping member which facilitates removal of the protection means after use. An example of such a gripping member in the form of a gripping loop 7 is shown in Figure 4. The gripping loop 7 can be formed from hydrogel and can in this connection be moulded together with the sanitary protection means 1 itself. Alternatively, the gripping loop 7 can be a separate component and consist of, for example, a string loop, a plastic band, a metal loop or the like, which is moulded, glued or welded firmly on the sanitary protection means.
Figures 5 and 6 show further examples of gripping members. Figure 5 shows a sanitary protection means 1 , into which two gripping strings 8 have been moulded. It is of course possible to use only one gripping string 8 and to fasten the string or the strings in another manner, such as by welding or gluing. It is also possible to envisage fastening a gripping string by tying it in the sanitary protection means. Such fastening is suitably carried out by providing the sanitary protection means with a through-hole (not shown) at the end of the elongate rear portion 3 and tying the gripping string through the hole.
Figure 6 shows a gripping member in the form of a gripping tab 9. The gripping tab 9 can, in a manner corresponding to that indicated in connection with the gripping members described previously, be moulded in one piece with the sanitary protection means 1 , or be made from a separate material which is fastened to the sanitary protection means by moulding, gluing or welding.
The sanitary protection means 1 shown in Figure 6 differs from the protection means shown in Figures 1-5 as far as absorption is concerned in that the raised portion 6 comprises an absorption body 10 which is arranged inside the hydrogel and is made of a material with a higher absorption rate than the surrounding hydrogel. Such an embodiment is suitable when the sanitary protection means 1 is expected to receive heavier liquid flows and/or
relatively great quantities of liquid. Materials which can be used for the inner absorption body 10 are fibrous material, absorbent foam, mixtures of fibrous material and superabsorbents or the like. A sanitary protection means according to the invention, with an inner absorption body 10, already has a small raised portion 6 in the elongate rear part 3 of the protection means before absorption. On wetting, however, the raised portion 6 swells further and assumes the predetermined shape and size shown in Figure 6.
In order for it to be possible for liquid to be absorbed rapidly by the inner absorption body 10, the latter is exposed to liquid flow through an opening 11 in the hydrogel.
According to an embodiment which is not shown, the raised portion 6 of the sanitary protection means 1 can be provided with a well or cavity in the hydrogel, in which well or cavity liquid can be temporarily collected before it can be absorbed by the hydrogel. Such an embodiment is therefore similar to that shown in Figure 6, but does not have the inner absorption body 10.
The different gripping members 7, 8, 9 shown are of course interchangeable, and the type of gripping member can therefore be selected freely, irrespective of the design of the remainder of the sanitary protection means 1.
Claims (11)
1. Absorbent sanitary protection means (1 ), designed so as to be worn intralabially and comprising an absorption body with a first surface (5) which is intended to face a wearer during use and a second surface (4) which is intended to face away from the wearer during use, characterized in that the absorption body consists of a preformed, at least partly dehydrated hydrogel and is in the shape of a spoon with a cup-shaped portion (2) arranged on the first surface and an elongate handle-shaped portion (3) which, by means of the preforming, comprises a portion which, on wetting, swells and forms a raised portion (6) on the first surface (5) of the protection means.
2. Absorbent sanitary protection means according to Claim 1 , the first surface (5) having a sticky and adhesive surface after wetting.
3. Absorbent sanitary protection means according to Claim 1 or 2, the hydrogel comprising polymers based on vinyl alcohol, polyacrylate, polymethacrylate, polyethylene oxide, polysaccharide, acrylamide, vinyl pyrrolidone, polyethers, amino acids or urethane, and also mixtures, copolymers and derivatives thereof.
4. Absorbent sanitary protection means according to Claim 1 , 2 or 3, the protection means comprising a gripping means (7; 8; 9) for removal of the protection means after use.
5. Absorbent sanitary protection means according to Claim 4, the gripping means being a gripping loop (7).
6. Absorbent sanitary protection means according to Claim 4, the gripping means being a gripping string (8).
7. Absorbent sanitary protection means according to Claim 4, the gripping means being a gripping tab (9).
8. Absorbent sanitary protection means according to any one of the preceding claims, the raised portion having an inner cavity or well which is formed in the hydrogel.
9. Absorbent sanitary protection means according to any one of the preceding claims, the raised portion (6) comprising an internal absorption body (10) made of an absorption material with a higher absorption rate than the hydrogel.
10. Absorbent sanitary protection means according to Claim 8, the internal absorption body (10) consisting of an absorbent foamed material.
11. Absorbent sanitary protection means according to any one of the preceding claims, the length of the sanitary protection means not exceeding 8.5 cm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0004323 | 2000-11-24 | ||
| SE0004323A SE517781C2 (en) | 2000-11-24 | 2000-11-24 | Intralabial menstrual protection of preformed hydrogel |
| PCT/SE2001/002553 WO2002041818A1 (en) | 2000-11-24 | 2001-11-19 | Intralabial sanitary device with absorbing core of a preformed hydrogel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2002215289A1 true AU2002215289A1 (en) | 2002-08-08 |
| AU2002215289B2 AU2002215289B2 (en) | 2007-03-15 |
Family
ID=20281959
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU1528902A Pending AU1528902A (en) | 2000-11-24 | 2001-11-19 | Intralabial sanitary device with absorbing core of a preformed hydrogel |
| AU2002215289A Ceased AU2002215289B2 (en) | 2000-11-24 | 2001-11-19 | Intralabial sanitary device with absorbing core of a preformed hydrogel |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU1528902A Pending AU1528902A (en) | 2000-11-24 | 2001-11-19 | Intralabial sanitary device with absorbing core of a preformed hydrogel |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1365720A1 (en) |
| JP (1) | JP2004513747A (en) |
| CN (1) | CN1195471C (en) |
| AU (2) | AU1528902A (en) |
| MX (1) | MXPA03004178A (en) |
| PL (1) | PL360983A1 (en) |
| RU (1) | RU2003118642A (en) |
| SE (1) | SE517781C2 (en) |
| WO (1) | WO2002041818A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7931634B2 (en) | 2003-12-18 | 2011-04-26 | Kimberly-Clark Worldwide, Inc. | Bodily exudate capturing article |
| EP2061415A4 (en) * | 2006-09-11 | 2011-08-10 | Merimont Us | Sanitary napkin with braid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061259A (en) * | 1987-08-19 | 1991-10-29 | The Procter & Gamble Company | Absorbent structures with gelling agent and absorbent articles containing such structures |
| DE4426008A1 (en) * | 1994-07-22 | 1996-01-25 | Cassella Ag | Hydrophilic, highly-swellable hydrogel coated with non-reactive, water-insol. polymer film |
| US5968026A (en) * | 1996-08-30 | 1999-10-19 | The Procter & Gamble Company | Absorbent interlabial device |
| SE9802502L (en) * | 1998-07-10 | 2000-01-11 | Sca Hygiene Prod Ab | Absorbent articles such as a sanitary napkin, an incontinence cover, a panty cover, or the like |
| DE69934974T2 (en) * | 1998-12-30 | 2007-11-08 | Mcneil-Ppc, Inc. | INTERLABIAL OBJECTS TO BE ATTACHED TO THE BODY AND METHOD FOR THEIR PRODUCTION |
| IL132880A0 (en) * | 1999-11-11 | 2001-03-19 | Hanita Lenses | Hydrogel sheets |
-
2000
- 2000-11-24 SE SE0004323A patent/SE517781C2/en not_active IP Right Cessation
-
2001
- 2001-11-19 AU AU1528902A patent/AU1528902A/en active Pending
- 2001-11-19 MX MXPA03004178A patent/MXPA03004178A/en not_active Application Discontinuation
- 2001-11-19 JP JP2002544001A patent/JP2004513747A/en not_active Withdrawn
- 2001-11-19 AU AU2002215289A patent/AU2002215289B2/en not_active Ceased
- 2001-11-19 EP EP01983896A patent/EP1365720A1/en not_active Withdrawn
- 2001-11-19 WO PCT/SE2001/002553 patent/WO2002041818A1/en not_active Ceased
- 2001-11-19 PL PL01360983A patent/PL360983A1/en not_active Application Discontinuation
- 2001-11-19 CN CN 01819397 patent/CN1195471C/en not_active Expired - Fee Related
- 2001-11-19 RU RU2003118642/14A patent/RU2003118642A/en not_active Application Discontinuation
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