NL8100368A - Optische glasvezels en werkwijzen voor het vervaardigen van dergelijke vezels. - Google Patents
Optische glasvezels en werkwijzen voor het vervaardigen van dergelijke vezels. Download PDFInfo
- Publication number
- NL8100368A NL8100368A NL8100368A NL8100368A NL8100368A NL 8100368 A NL8100368 A NL 8100368A NL 8100368 A NL8100368 A NL 8100368A NL 8100368 A NL8100368 A NL 8100368A NL 8100368 A NL8100368 A NL 8100368A
- Authority
- NL
- Netherlands
- Prior art keywords
- glass
- cerium
- fiber
- rod
- attenuation
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 69
- 238000000034 method Methods 0.000 title claims description 27
- 239000005304 optical glass Substances 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 77
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 73
- 239000011521 glass Substances 0.000 claims description 63
- 241001301278 Cerion Species 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000002019 doping agent Substances 0.000 claims description 17
- 239000013307 optical fiber Substances 0.000 claims description 15
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical group [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 claims description 14
- 230000001590 oxidative effect Effects 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 150000001785 cerium compounds Chemical class 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000005368 silicate glass Substances 0.000 claims description 7
- 241000405961 Scomberomorus regalis Species 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000003313 weakening effect Effects 0.000 claims description 3
- 238000007496 glass forming Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 9
- 239000005388 borosilicate glass Substances 0.000 description 6
- 230000001603 reducing effect Effects 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000005191 phase separation Methods 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- -1 1 to 100 mg per kg Chemical compound 0.000 description 4
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 4
- 229910000175 cerite Inorganic materials 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 150000000703 Cerium Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 2
- 229910001942 caesium oxide Inorganic materials 0.000 description 2
- 229920006240 drawn fiber Polymers 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000012681 fiber drawing Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000005865 ionizing radiation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000001429 visible spectrum Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 206010019332 Heat exhaustion Diseases 0.000 description 1
- 206010019345 Heat stroke Diseases 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- IKWTVSLWAPBBKU-UHFFFAOYSA-N a1010_sial Chemical compound O=[As]O[As]=O IKWTVSLWAPBBKU-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910000413 arsenic oxide Inorganic materials 0.000 description 1
- 229960002594 arsenic trioxide Drugs 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000075 oxide glass Substances 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1617—Organic compounds, e.g. phospholipids, fats
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5073—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
- A61K9/5078—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings with drug-free core
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/016—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by a liquid phase reaction process, e.g. through a gel phase
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/001—Alkali-resistant fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Molecular Biology (AREA)
- Dispersion Chemistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Cardiology (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8002834 | 1980-01-28 | ||
| GB8002834 | 1980-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8100368A true NL8100368A (nl) | 1981-08-17 |
Family
ID=10510946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8100368A NL8100368A (nl) | 1980-01-28 | 1981-01-27 | Optische glasvezels en werkwijzen voor het vervaardigen van dergelijke vezels. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4345036A (sv) |
| JP (1) | JPS56129635A (sv) |
| AU (1) | AU539909B2 (sv) |
| BE (1) | BE887270A (sv) |
| BR (1) | BR8100311A (sv) |
| CA (1) | CA1135093A (sv) |
| CH (1) | CH645325A5 (sv) |
| DE (1) | DE3102639A1 (sv) |
| DK (1) | DK38581A (sv) |
| FR (1) | FR2474475B1 (sv) |
| IE (1) | IE810148L (sv) |
| IT (1) | IT1135208B (sv) |
| NL (1) | NL8100368A (sv) |
| SE (1) | SE8100467L (sv) |
| ZA (1) | ZA81161B (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832160A (ja) * | 1981-08-19 | 1983-02-25 | Nippon Steel Corp | 電磁超音波探傷装置 |
| SE454544B (sv) * | 1983-03-22 | 1988-05-09 | Ericsson Telefon Ab L M | Hogdempande optisk glasfiber |
| JP3187879B2 (ja) * | 1991-09-30 | 2001-07-16 | オリンパス光学工業株式会社 | 屈折率分布型光学素子 |
| US7058269B2 (en) * | 2001-10-24 | 2006-06-06 | Institut National D'optique | Reconstructed glass for fiber optic applications |
| US8494013B2 (en) * | 2010-09-17 | 2013-07-23 | Corning Incorporated | Photodarkening resistant optical fibers and fiber lasers incorporating the same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2219332A (en) * | 1937-10-27 | 1940-10-29 | Gen Electric | Refractory glass |
| FR1156358A (fr) * | 1956-07-13 | 1958-05-14 | Quartz & Silice | Verre de silice |
| US3528829A (en) * | 1965-06-21 | 1970-09-15 | Owens Illinois Inc | Low expansion glass compositions |
| US3499775A (en) * | 1966-07-01 | 1970-03-10 | Owens Illinois Inc | Ultraviolet-absorbing glass compositions containing cerium and molybdenum oxides |
| US4110096A (en) * | 1974-04-22 | 1978-08-29 | Macedo Pedro B | Method of precipitation of a dopant in a porous silicate glass |
| CA1020752A (en) * | 1973-04-27 | 1977-11-15 | Pedro B. Macedo | Method of producing optical wave guide fibers |
| US4110093A (en) * | 1974-04-22 | 1978-08-29 | Macedo Pedro B | Method for producing an impregnated waveguide |
| CA1063352A (en) | 1975-03-18 | 1979-10-02 | Pedro B. Macedo | Method for producing an impregnated waveguide |
| GB2002342B (en) * | 1977-07-27 | 1982-06-30 | Sumitomo Electric Industries | Process for producing a glass member |
-
1981
- 1981-01-12 ZA ZA1981161A patent/ZA81161B/xx unknown
- 1981-01-13 CA CA000368399A patent/CA1135093A/en not_active Expired
- 1981-01-16 US US06/225,818 patent/US4345036A/en not_active Expired - Fee Related
- 1981-01-21 BR BR8100311A patent/BR8100311A/pt unknown
- 1981-01-22 FR FR8101125A patent/FR2474475B1/fr not_active Expired
- 1981-01-23 AU AU66567/81A patent/AU539909B2/en not_active Ceased
- 1981-01-26 SE SE8100467A patent/SE8100467L/sv not_active Application Discontinuation
- 1981-01-27 CH CH52581A patent/CH645325A5/de not_active IP Right Cessation
- 1981-01-27 DE DE19813102639 patent/DE3102639A1/de not_active Withdrawn
- 1981-01-27 IE IE810148A patent/IE810148L/xx unknown
- 1981-01-27 NL NL8100368A patent/NL8100368A/nl not_active Application Discontinuation
- 1981-01-28 IT IT19375/81A patent/IT1135208B/it active
- 1981-01-28 DK DK38581A patent/DK38581A/da not_active Application Discontinuation
- 1981-01-28 JP JP1032881A patent/JPS56129635A/ja active Pending
- 1981-01-28 BE BE0/203629A patent/BE887270A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56129635A (en) | 1981-10-09 |
| IE810148L (en) | 1981-07-28 |
| FR2474475A1 (fr) | 1981-07-31 |
| DE3102639A1 (de) | 1982-03-18 |
| DK38581A (da) | 1981-07-29 |
| BE887270A (fr) | 1981-07-28 |
| BR8100311A (pt) | 1981-08-11 |
| CH645325A5 (de) | 1984-09-28 |
| AU6656781A (en) | 1981-08-06 |
| ZA81161B (en) | 1982-08-25 |
| IT8119375A0 (it) | 1981-01-28 |
| SE8100467L (sv) | 1981-07-29 |
| AU539909B2 (en) | 1984-10-25 |
| US4345036A (en) | 1982-08-17 |
| IT1135208B (it) | 1986-08-20 |
| FR2474475B1 (fr) | 1986-01-03 |
| CA1135093A (en) | 1982-11-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed | ||
| BV | The patent application has lapsed |