WO2000015903A1 - Process for making cardboard having safety means - Google Patents
Process for making cardboard having safety means Download PDFInfo
- Publication number
- WO2000015903A1 WO2000015903A1 PCT/BR1999/000073 BR9900073W WO0015903A1 WO 2000015903 A1 WO2000015903 A1 WO 2000015903A1 BR 9900073 W BR9900073 W BR 9900073W WO 0015903 A1 WO0015903 A1 WO 0015903A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cardboard
- safety means
- special
- single surface
- core
- 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.)
- Ceased
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
- D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
Definitions
- the present patent of invention relates to a process to obtain a special cardboard with safety means, for pharmaceu- tical packages and others, and product obtained, said obtaining process and product obtained are studied in their very details, in order to characterize something truly new, practical, functional and highly safe.
- the present process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained belongs to the technical field of manufacture of paper, cardboards and the like.
- Medicine packages are most of the times comprised by several items that may be imitated in the forged product, and, in this manner, the commitment in order to avoid forgery should encompass several divisions involved in the production chain, that is, laboratories, package and raw material manufacturers.
- cartridge cardboard box
- other package another item
- blisters vials, envelopes, etc.
- said cartridges being manufactured from cardboard cel- lulosic raw material, in a print shop (converter) that prints the medicine characteristic graphics, and also carries out the operations of cutting, wrinkling and gluing the printed material; afterwards the empty cartridge is sent to the laboratory to be used for packaging the medicine.
- the applicant herein as a manufacturer of such cellulosic raw material, through the attainment of its spe- cial cardboard, intends to guarantee the legitimacy of the cartridges, adding safety means with breakthrough characteristics to its special cardboard, which are comprised by: single surface, easily recognized and difficult to reproduce; - colored core, easily recognized and difficult to reproduce, noticed at the moment the package is opened.
- the attached drawings illustrate, in figures 1 to 7, the process to obtain a multilayered cardboard with a couche cover, currently used in the manufacture of cartridges for me- dicine packages.
- Cardboards currently used in cartridges manufacture are produced in equipment that form layers of cellulose fiber, as paper sheets, which are assembled when wet, in order to form the multilayered final structure, the paper being formed from a dispersion of cellulose fibers in water, which is evenly poured on a moving mesh 1, so as to water is filtered by said mesh and fibers are piled up, forming a continuous sheet, as illustrated in Figure 1, which comprises a mesh scheme, where the paper sheet is formed.
- this mesh scheme shown in Figure 1 it is provided, in addition to mesh 1, mass supplying set 2; headbox 3, lip 4, composition table 5, 'hydrofoils" 6, suction boxes 7 and drainage rolls 8, paper improving cylin- der 9, suction 10, handle 11, mesh 12 and top 13.
- sheet 14 After drying, sheet 14 is wound over a winding cylinder 24 ( Figure 4) , and then forwarded to the finishing phases, such as cut in smaller reels or flat sheets of several shapes.
- a lattices and mineral pigment-based paint cover 28 (couche paint) is applied to the multilayered sheet or cardboard 27, in order to improve the surface of said cardboard and allow better printing results, being that said application may be carried out in one or more layers.
- a scheme of the application of couche paint is shown, in which an imerging cylinder 29, an application cylinder 30, a paint reservoir 31, a deflecting and recovering system
- the process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained, as illustrated in Figures 8 to 10 of the attached drawings, is characterized in that the multilayered cardboard 27 is provided with safety means, which initially comprise a single surface 37, being easy to recognize and difficult to reproduce, because, when white cellulose fibers 38 are mixed, being provided several synthetic fibers 39 having one or more colors, or treated so as to make them hardly visible to a na- ked eye, but evident under special lightning, such as exemplified, but not limited to ultraviolet (Figure 8) , said single surface 37 being the external layer opposed to layer 40 which will be printed (printing is carried out over couche paint 28) , that is, the layer facing the inside of the fin- ished cartridge.
- a special pigment may be added, which will become active, and absolutely perceptible when single surface 37 receives a solvent.
- multilayered cardboard 27 safety means are also characterized in that a colored core 41 is provided, being easy to recognize and difficult to reproduce, in contrast with the other white cellulose layers 42 ( Figure 9) , the core being generally any layer or the internal cellulose layers set of cardboard 27, and since it is not accessible in any phase of cartridge production, colored core may not be counterfeited or modified in any manner in its whole extension, because the access to it may only be possible upon the rupture or destruction of the external layers.
- the product obtained comprises a special cardboard provided with safety means, initially comprising a single surface 37, being easy to recognize and difficult to reproduce, since, when white cellulose fibers 38 are mixed, there are provided several synthetic fibers 39 having one or more colors, said single surface being the only external layer facing the inside of the finished cartridge and, further, said safety means comprising a colored core 41, which is easy to recognize and difficult to reproduce, in contrast with the other white cellulose layers 42, the core being generally any or the internal cellulose layers set of cardboard 27 ( Figure 10) .
- said special cardboard through its safety means, allows the medicine package cartridges to be easily and safely identified, assuring the legitimacy thereof in the following ways: a) The user, when opening a medicine package cartridge, will recognize the legitimacy thereof, by checking whether its internal surface, opposed to the printed external sur- face, is provided with several synthetic fibers of one or more colors, mixed to the white cellulose fibers. Thus, the confirmation of the presence of such synthetic fibers in the internal surface of the cartridge is the guarantee of the legitimacy thereof. b) Likewise, the user, when opening a medicine package cartridge, will recognize the legitimacy thereof, by checking the presence of the colored core. In order to do so, the colored core may be disclosed through some special cut in the cartridge, that exposes said core when it is opened, or in a less automatic manner, by a tear in any part of the cartridge.
Landscapes
- Paper (AREA)
- Wrappers (AREA)
Abstract
The invention relates to a process for making a cardboard having safety means which is suitable for such products as pharmaceutical packages. The safety means prevents forgery and confirms the legitimacy of the package. A multilayer cardboard is made by papermaking method. The multilayer cardboard (27) has a safety means which comprises a surface layer of white cellulose fibers (38) in admixture with several synthetic fibers (39) which are treated so as to be hardly visible to the naked eye but are visible under special lighting. The Safety means further has a colored core (41) in contrast to the other white cellulose layers (42). The color core cannot be accessed without rupture or destruction of the external layers.
Description
PROCESS FOR MAKING CARDBOARD HAVING SAFETY MEANS
The present patent of invention relates to a process to obtain a special cardboard with safety means, for pharmaceu- tical packages and others, and product obtained, said obtaining process and product obtained are studied in their very details, in order to characterize something truly new, practical, functional and highly safe.
The present process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained, belongs to the technical field of manufacture of paper, cardboards and the like.
Currently, pharmaceutical industries have been facing a serious problem, which is the forgery of their packages, as well as their medicines.
As it is known, every medicine should be packaged, even those forged and, in this case, forgery goes through the creation or copy of a package.
Thus, the certified medicine industry (laboratories) has a true interest in guaranteeing the recognition of its legitimate product, and, at the same time, making difficult or clear the presence of a copy.
Medicine packages are most of the times comprised by several items that may be imitated in the forged product, and, in this manner, the commitment in order to avoid forgery should encompass several divisions involved in the production chain, that is, laboratories, package and raw material manufacturers.
It is known that one of the most common items of the packages is the cartridge (cardboard box) which encases another package (another item) with blisters, vials, envelopes, etc., said cartridges being manufactured from cardboard cel- lulosic raw material, in a print shop (converter) that prints
the medicine characteristic graphics, and also carries out the operations of cutting, wrinkling and gluing the printed material; afterwards the empty cartridge is sent to the laboratory to be used for packaging the medicine. Thus, the applicant herein, being a traditional manufacturer of raw materials for packages, in order to contribute to a conclusive solution for forgery problems, specially of medicine packages, researched, developed and rendered the present process feasible, which resulted in the attainment of a special cardboard, which safety means prevent, in an efficient, practical and functional manner, any forgery attempt of said medicine packages.
Thus, the applicant herein, as a manufacturer of such cellulosic raw material, through the attainment of its spe- cial cardboard, intends to guarantee the legitimacy of the cartridges, adding safety means with breakthrough characteristics to its special cardboard, which are comprised by: single surface, easily recognized and difficult to reproduce; - colored core, easily recognized and difficult to reproduce, noticed at the moment the package is opened. The attached drawings illustrate, in figures 1 to 7, the process to obtain a multilayered cardboard with a couche cover, currently used in the manufacture of cartridges for me- dicine packages.
Cardboards currently used in cartridges manufacture are produced in equipment that form layers of cellulose fiber, as paper sheets, which are assembled when wet, in order to form the multilayered final structure, the paper being formed from a dispersion of cellulose fibers in water, which is evenly poured on a moving mesh 1, so as to water is filtered by said mesh and fibers are piled up, forming a continuous sheet, as illustrated in Figure 1, which comprises a mesh scheme, where
the paper sheet is formed. In this mesh scheme shown in Figure 1, it is provided, in addition to mesh 1, mass supplying set 2; headbox 3, lip 4, composition table 5, 'hydrofoils" 6, suction boxes 7 and drainage rolls 8, paper improving cylin- der 9, suction 10, handle 11, mesh 12 and top 13.
Furthermore, after the first drainage over mesh 1, sheet 14 is pressed in order to lose more water, and, in Figure 2, a paper machine presses scheme is shown, where top 15, bottom 16 and felt 17 rolls of the first press and top 18, bottom 19, guide roll 20 and felt 21 rolls of the second press are provided.
Afterwards, when water drainage by mechanical means becomes too difficult, said sheet 14 begins to lose moisture by heat, through contact with heated cylinders 22, as shown in Figure 3, referring to a paper machine dryers scheme, being also provided rolls 23 of felt drying and ventilation.
After drying, sheet 14 is wound over a winding cylinder 24 (Figure 4) , and then forwarded to the finishing phases, such as cut in smaller reels or flat sheets of several shapes.
On the other hand, during the formation process of sheet 14, it is possible to add other layers 25, formed in similar meshes 26, in order to create a multiple sheet, which is the cardboard 27 itself, the scheme of forming meshes of a card- board machine being shown in Figure 5, while cardboard 27 structure scheme is shown in Figure 6.
Moreover, a lattices and mineral pigment-based paint cover 28 (couche paint) is applied to the multilayered sheet or cardboard 27, in order to improve the surface of said cardboard and allow better printing results, being that said application may be carried out in one or more layers. In Figure 7, a scheme of the application of couche paint is shown, in which an imerging cylinder 29, an application cylinder
30, a paint reservoir 31, a deflecting and recovering system
32, a gas chamber 33, a blowing lip 34, a top cylinder 35 and a suction belt 36 are provided. Thus, the description of the process to obtain the cardboards currently used in the manu- facture of cartridges is completed.
The process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained, as illustrated in Figures 8 to 10 of the attached drawings, is characterized in that the multilayered cardboard 27 is provided with safety means, which initially comprise a single surface 37, being easy to recognize and difficult to reproduce, because, when white cellulose fibers 38 are mixed, being provided several synthetic fibers 39 having one or more colors, or treated so as to make them hardly visible to a na- ked eye, but evident under special lightning, such as exemplified, but not limited to ultraviolet (Figure 8) , said single surface 37 being the external layer opposed to layer 40 which will be printed (printing is carried out over couche paint 28) , that is, the layer facing the inside of the fin- ished cartridge. In the composition of single surface 37, a special pigment may be added, which will become active, and absolutely perceptible when single surface 37 receives a solvent.
Moreover, multilayered cardboard 27 safety means are also characterized in that a colored core 41 is provided, being easy to recognize and difficult to reproduce, in contrast with the other white cellulose layers 42 (Figure 9) , the core being generally any layer or the internal cellulose layers set of cardboard 27, and since it is not accessible in any phase of cartridge production, colored core may not be counterfeited or modified in any manner in its whole extension, because the access to it may only be possible upon the rupture or destruction of the external layers.
Finally, the product obtained comprises a special cardboard provided with safety means, initially comprising a single surface 37, being easy to recognize and difficult to reproduce, since, when white cellulose fibers 38 are mixed, there are provided several synthetic fibers 39 having one or more colors, said single surface being the only external layer facing the inside of the finished cartridge and, further, said safety means comprising a colored core 41, which is easy to recognize and difficult to reproduce, in contrast with the other white cellulose layers 42, the core being generally any or the internal cellulose layers set of cardboard 27 (Figure 10) .
With the special cardboard so obtained, said special cardboard, through its safety means, allows the medicine package cartridges to be easily and safely identified, assuring the legitimacy thereof in the following ways: a) The user, when opening a medicine package cartridge, will recognize the legitimacy thereof, by checking whether its internal surface, opposed to the printed external sur- face, is provided with several synthetic fibers of one or more colors, mixed to the white cellulose fibers. Thus, the confirmation of the presence of such synthetic fibers in the internal surface of the cartridge is the guarantee of the legitimacy thereof. b) Likewise, the user, when opening a medicine package cartridge, will recognize the legitimacy thereof, by checking the presence of the colored core. In order to do so, the colored core may be disclosed through some special cut in the cartridge, that exposes said core when it is opened, or in a less automatic manner, by a tear in any part of the cartridge.
Thus, with the development of the special cardboard with safety means concerned, which simply, acurately and safely
guarantees the legitimacy of medicine package cartridges, the applicant herein contributes in a crucial manner for the solution of the forgery problem of said cartridges.
Claims
1.- Process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained, comprising a multilayered cardboard (27), which is obtained in equipment that form layers of cellulose fibers, as paper sheets, that are assembled when wet in order to form the several layer cardboard final structure, characterized in that said multilayered cardboard (27) is provided with safety means, which initially comprise, a single surface (37), being easy to recognize and difficult to reproduce, because, when the white cellulose fibers (38) are mixed, there are provided several synthetic fibers (39) having one or more colors, or treated so as to make them hardly visible to a naked eye, but evident under special lightning, such as, exemplified but not limited to, ultraviolet, said single surface (37) being the external layer opposed to layer (40) which will be printed, that is, the layer facing the inside of the cartridge and, further, in the composition of the single surface (37) , a special pigment may be added, which will become active, and absolutely perceptible, when said single surface (37) receives a solvent.
2.- Process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained, as claimed in 1, characterized in that the safety means further comprise a colored core (41), being easy to recognize and difficult to reproduce, in contrast with the other white cellulose layers (42), the core being generally any or the cardboard internal cellulose layers set (27), and since it is not accessible in any phase of the cartridge pro- duction, the colored core may not be counterfeited or modified in any manner in its whole extension, because the access to said core may only be possible upon the rupture or destruction of the external layers.
3.- Process to obtain a special cardboard with safety means, for pharmaceutical packages and others, and product obtained, as claimed in 1 and 2, characterized in that the product obtained comprises a special cardboard provided with safety means, initially comprising a single surface (37), in which white cellulose fibers (38) are mixed to several synthetic fibers (39) having one or more colors, said single surface being the external layer facing the inside of the finished cartridge and, moreover, said safety means compris- ing a colored core (41) in contrast with the other white cellulose fibers (42), the core being generally any layer or the internal cellulose layers set of said special cardboard.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002344497A CA2344497A1 (en) | 1998-09-11 | 1999-09-03 | Process for making cardboard having safety means |
| AU60724/99A AU6072499A (en) | 1998-09-11 | 1999-09-03 | Process for making cardboard having safety means |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI9803570-3 | 1998-09-11 | ||
| BR9803570A BR9803570A (en) | 1998-09-11 | 1998-09-11 | Process of obtaining special card with security means, for pharmaceutical and other packaging, and product obtained |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000015903A1 true WO2000015903A1 (en) | 2000-03-23 |
Family
ID=4070475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/BR1999/000073 Ceased WO2000015903A1 (en) | 1998-09-11 | 1999-09-03 | Process for making cardboard having safety means |
Country Status (5)
| Country | Link |
|---|---|
| AR (1) | AR020432A1 (en) |
| AU (1) | AU6072499A (en) |
| BR (1) | BR9803570A (en) |
| CA (1) | CA2344497A1 (en) |
| WO (1) | WO2000015903A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005003458A1 (en) * | 2003-07-07 | 2005-01-13 | Landqart | Security paper and method for the production thereof |
| WO2005035258A3 (en) * | 2003-10-07 | 2005-06-02 | Rock Tenn Co | Packaging material with embedded security mechanisms |
| FR2895750A1 (en) * | 2005-12-30 | 2007-07-06 | Norbert Moussu | Safety paperboard for packaging banknotes and other products, comprises a kraft paper sheet with an external cover and an interior layer, and a corrugated board intermediate layer in which sheet having security particles |
| US9464385B2 (en) | 2003-10-15 | 2016-10-11 | Arjowiggins Security | Multi-layer security paper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143A (en) * | 1845-08-09 | Arthur varnham | ||
| US38835A (en) * | 1863-06-09 | Improvement in safety-paper | ||
| US2071025A (en) * | 1934-03-10 | 1937-02-16 | American Coating Mills | Identifiable carton board |
| US2143682A (en) * | 1936-08-06 | 1939-01-10 | American Coating Mills Inc | Identifiable carton board |
| US2208653A (en) * | 1937-09-16 | 1940-07-23 | Celanese Corp | Safety paper |
| US4504357A (en) * | 1979-02-13 | 1985-03-12 | Gao Gesellschaft Fuer Automation Und Organisation Mbh. | Security with identifying marks printed in the substance of a paper layer |
-
1998
- 1998-09-11 BR BR9803570A patent/BR9803570A/en not_active IP Right Cessation
-
1999
- 1999-09-03 AU AU60724/99A patent/AU6072499A/en not_active Abandoned
- 1999-09-03 WO PCT/BR1999/000073 patent/WO2000015903A1/en not_active Ceased
- 1999-09-03 CA CA002344497A patent/CA2344497A1/en not_active Abandoned
- 1999-09-10 AR ARP990104571 patent/AR020432A1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143A (en) * | 1845-08-09 | Arthur varnham | ||
| US38835A (en) * | 1863-06-09 | Improvement in safety-paper | ||
| US2071025A (en) * | 1934-03-10 | 1937-02-16 | American Coating Mills | Identifiable carton board |
| US2143682A (en) * | 1936-08-06 | 1939-01-10 | American Coating Mills Inc | Identifiable carton board |
| US2208653A (en) * | 1937-09-16 | 1940-07-23 | Celanese Corp | Safety paper |
| US4504357A (en) * | 1979-02-13 | 1985-03-12 | Gao Gesellschaft Fuer Automation Und Organisation Mbh. | Security with identifying marks printed in the substance of a paper layer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005003458A1 (en) * | 2003-07-07 | 2005-01-13 | Landqart | Security paper and method for the production thereof |
| CH696744A5 (en) * | 2003-07-07 | 2007-11-15 | Landqart | Security paper and method for its production. |
| WO2005035258A3 (en) * | 2003-10-07 | 2005-06-02 | Rock Tenn Co | Packaging material with embedded security mechanisms |
| US9464385B2 (en) | 2003-10-15 | 2016-10-11 | Arjowiggins Security | Multi-layer security paper |
| FR2895750A1 (en) * | 2005-12-30 | 2007-07-06 | Norbert Moussu | Safety paperboard for packaging banknotes and other products, comprises a kraft paper sheet with an external cover and an interior layer, and a corrugated board intermediate layer in which sheet having security particles |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2344497A1 (en) | 2000-03-23 |
| BR9803570A (en) | 2000-04-04 |
| AU6072499A (en) | 2000-04-03 |
| AR020432A1 (en) | 2002-05-15 |
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