JPS6320772B2 - - Google Patents
Info
- Publication number
- JPS6320772B2 JPS6320772B2 JP55025163A JP2516380A JPS6320772B2 JP S6320772 B2 JPS6320772 B2 JP S6320772B2 JP 55025163 A JP55025163 A JP 55025163A JP 2516380 A JP2516380 A JP 2516380A JP S6320772 B2 JPS6320772 B2 JP S6320772B2
- Authority
- JP
- Japan
- Prior art keywords
- reservoir
- vapor
- flow
- burner
- controller
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims abstract description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000000376 reactant Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 13
- 239000012159 carrier gas Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000007740 vapor deposition Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000004071 soot Substances 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- 238000000151 deposition Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 229910003902 SiCl 4 Inorganic materials 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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]
- C03B37/018—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 glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
-
- 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]
- C03B37/01413—Reactant delivery systems
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/448—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
- C23C16/4485—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by evaporation without using carrier gas in contact with the source material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/06—Concentric circular ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/12—Nozzle or orifice plates
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/36—Fuel or oxidant details, e.g. flow rate, flow rate ratio, fuel additives
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
- C03B2207/87—Controlling the temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Integrated Circuits (AREA)
- Glass Melting And Manufacturing (AREA)
- Chemical Vapour Deposition (AREA)
- Glass Compositions (AREA)
- Paper (AREA)
- Physical Vapour Deposition (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Communication Cables (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Laser Surgery Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/016,446 US4314837A (en) | 1979-03-01 | 1979-03-01 | Reactant delivery system method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55116640A JPS55116640A (en) | 1980-09-08 |
| JPS6320772B2 true JPS6320772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-04-30 |
Family
ID=21777164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2516380A Granted JPS55116640A (en) | 1979-03-01 | 1980-02-29 | Evaporation device for forming optical fiber material |
Country Status (15)
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2490211B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1980-09-17 | 1990-09-21 | Passaret Michel | |
| US4395270A (en) * | 1981-04-13 | 1983-07-26 | Corning Glass Works | Method of fabricating a polarization retaining single-mode optical waveguide |
| NL8102105A (nl) * | 1981-04-29 | 1982-11-16 | Philips Nv | Inrichting en werkwijze voor het verzadigen van een gas met de damp van een vloeistof. |
| IT1155119B (it) * | 1982-03-05 | 1987-01-21 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la produzione di preforme per fibre ottiche |
| JPS6031777B2 (ja) * | 1982-11-19 | 1985-07-24 | 住友電気工業株式会社 | 原料ガス供給装置 |
| AU563417B2 (en) * | 1984-02-07 | 1987-07-09 | Nippon Telegraph & Telephone Public Corporation | Optical fibre manufacture |
| JPS60186429A (ja) * | 1984-03-01 | 1985-09-21 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
| US4619844A (en) * | 1985-01-22 | 1986-10-28 | Fairchild Camera Instrument Corp. | Method and apparatus for low pressure chemical vapor deposition |
| JPS61254242A (ja) * | 1985-05-01 | 1986-11-12 | Sumitomo Electric Ind Ltd | 原料供給装置 |
| WO1987001614A1 (en) * | 1985-09-16 | 1987-03-26 | J.C. Schumacher Company | Vacuum vapor transport control |
| JPS62156938A (ja) * | 1985-12-28 | 1987-07-11 | 航空宇宙技術研究所 | 傾斜機能材料の製造方法 |
| US4915716A (en) * | 1986-10-02 | 1990-04-10 | American Telephone And Telegraph Company | Fabrication of lightguide soot preforms |
| GB8708436D0 (en) * | 1987-04-08 | 1987-05-13 | British Telecomm | Reagent source |
| GB2210613B (en) * | 1987-09-25 | 1991-08-14 | Gen Electric Co Plc | Manufacture of optical fibre preforms |
| DE69032175T2 (de) * | 1989-11-13 | 1998-07-09 | Corning Inc | Verfahren und Vorrichtung zum Herstellen einer Vorform mit einem dotierten Metalloxyd |
| US5203897A (en) * | 1989-11-13 | 1993-04-20 | Corning Incorporated | Method for making a preform doped with a metal oxide |
| US5078092A (en) * | 1989-12-22 | 1992-01-07 | Corning Incorporated | Flash vaporizer system for use in manufacturing optical waveguide fiber |
| JP3118822B2 (ja) * | 1990-09-07 | 2000-12-18 | 住友電気工業株式会社 | ガラス物品の製造方法 |
| DE4236324C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1992-10-28 | 1993-09-02 | Schott Glaswerke, 55122 Mainz, De | |
| US5296012A (en) * | 1992-12-28 | 1994-03-22 | Corning Incorporated | Method of making optical waveguide preforms |
| US5356451A (en) * | 1993-12-20 | 1994-10-18 | Corning Incorporated | Method and apparatus for vaporization of liquid reactants |
| US5599371A (en) * | 1994-12-30 | 1997-02-04 | Corning Incorporated | Method of using precision burners for oxidizing halide-free, silicon-containing compounds |
| US5558687A (en) * | 1994-12-30 | 1996-09-24 | Corning Incorporated | Vertical, packed-bed, film evaporator for halide-free, silicon-containing compounds |
| US5632797A (en) * | 1994-12-30 | 1997-05-27 | Corning Incorporated | Method of providing vaporized halide-free, silicon-containing compounds |
| US5838866A (en) | 1995-11-03 | 1998-11-17 | Corning Incorporated | Optical fiber resistant to hydrogen-induced attenuation |
| US5966499A (en) * | 1997-07-28 | 1999-10-12 | Mks Instruments, Inc. | System for delivering a substantially constant vapor flow to a chemical process reactor |
| WO2002014230A1 (en) * | 2000-08-15 | 2002-02-21 | Corning Incorporated | Flame hydrolysis deposition process for making integrated optical components |
| US6789401B1 (en) * | 2001-06-28 | 2004-09-14 | Asi/Silica Machinery, Llc | Particle deposition system and method |
| ES2292788T3 (es) * | 2002-06-28 | 2008-03-16 | Prysmian Cavi E Sistemi Energia S.R.L. | Procedimiento y dispositivo para vaporizar un reactivo liquido en la fabricacion de una preforma de vidrio. |
| KR100521957B1 (ko) * | 2003-07-11 | 2005-10-14 | 엘에스전선 주식회사 | 광섬유 제조를 위한 외부 기상 증착 장치 및 이를 이용한광섬유 모재 제조방법 |
| US20050205215A1 (en) * | 2004-03-17 | 2005-09-22 | General Electric Company | Apparatus for the evaporation of aqueous organic liquids and the production of powder pre-forms in flame hydrolysis processes |
| US7680399B2 (en) * | 2006-02-07 | 2010-03-16 | Brooks Instrument, Llc | System and method for producing and delivering vapor |
| US20080050076A1 (en) * | 2006-08-23 | 2008-02-28 | Ming-Jun Li | Low loss photonic waveguide having high index contrast glass layers |
| JP5148367B2 (ja) * | 2007-05-29 | 2013-02-20 | 信越化学工業株式会社 | 高周波誘導熱プラズマトーチを用いた光ファイバプリフォームの製造方法 |
| JP5023016B2 (ja) * | 2007-08-10 | 2012-09-12 | 信越化学工業株式会社 | 光ファイバ製造装置および線引き炉のシール方法 |
| US10464838B2 (en) | 2015-01-13 | 2019-11-05 | Asi/Silica Machinery, Llc | Enhanced particle deposition system and method |
| JP6793676B2 (ja) | 2018-04-02 | 2020-12-02 | 信越化学工業株式会社 | 光ファイバ用多孔質ガラス母材の製造装置および製造方法 |
| JP7155075B2 (ja) * | 2019-07-31 | 2022-10-18 | 株式会社フジクラ | 光ファイバの製造方法 |
| JP7449842B2 (ja) * | 2020-11-02 | 2024-03-14 | 信越化学工業株式会社 | 多孔質ガラス母材の製造方法及び製造装置 |
| JP7428632B2 (ja) | 2020-12-14 | 2024-02-06 | 信越化学工業株式会社 | 多孔質ガラス母材の製造方法及び製造装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3771260A (en) * | 1970-01-29 | 1973-11-13 | Black Sivalls & Bryson Inc | Method of vaporizing and combining a liquefied cryogenic fluid stream with a gas stream |
| US3826560A (en) * | 1972-03-30 | 1974-07-30 | Corning Glass Works | Method of forming a light focusing fiber waveguide |
| US3938384A (en) * | 1972-10-13 | 1976-02-17 | Tylan Corporation | Mass flow meter with reduced attitude sensitivity |
| JPS4983453A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-12-14 | 1974-08-10 | ||
| US3859073A (en) * | 1973-10-19 | 1975-01-07 | Corning Glass Works | Method of producing glass by flame hydrolysis |
| US3939858A (en) * | 1974-09-13 | 1976-02-24 | Tylan Corporation | Assembly and method of obtaining a controlled gas mixture |
| JPS51120334A (en) * | 1975-04-14 | 1976-10-21 | Nippon Soken Inc | Electronic type ignition time adjustor for internal combustion engine |
| CA1034818A (en) * | 1975-04-16 | 1978-07-18 | Northern Electric Company Limited | Manufacture of optical fibres |
| DE2546162B1 (de) * | 1975-10-15 | 1976-09-23 | Jenaer Glaswerk Schott & Gen | Lichtleitfaser mit Brechungsindexgradient zur Nachrichtenuebertragung |
| JPS52121341A (en) * | 1976-04-06 | 1977-10-12 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber base materials and production apparatus fo r the same |
| US4111219A (en) * | 1977-05-11 | 1978-09-05 | Tmc, Inc. | Industrial fuel blender and fuel blending method |
| JPS5927728B2 (ja) * | 1977-08-11 | 1984-07-07 | 日本電信電話株式会社 | 煤状ガラスロッドの製造方法 |
| CA1117334A (en) * | 1977-09-29 | 1982-02-02 | Suresh T. Gulati | Gradient index optical waveguide |
| US4220460A (en) * | 1979-02-05 | 1980-09-02 | Western Electric Company, Inc. | Vapor delivery system and method |
-
1979
- 1979-03-01 US US06/016,446 patent/US4314837A/en not_active Expired - Lifetime
-
1980
- 1980-02-20 CA CA000346056A patent/CA1136402A/en not_active Expired
- 1980-02-28 FI FI800604A patent/FI67361C/fi not_active IP Right Cessation
- 1980-02-28 IN IN232/CAL/80A patent/IN152644B/en unknown
- 1980-02-28 IL IL59484A patent/IL59484A/xx unknown
- 1980-02-28 DK DK085880A patent/DK154416C/da not_active IP Right Cessation
- 1980-02-28 ES ES489018A patent/ES489018A0/es active Granted
- 1980-02-28 NO NO800571A patent/NO147416C/no unknown
- 1980-02-28 AU AU55961/80A patent/AU517154B2/en not_active Expired
- 1980-02-29 AT AT80300618T patent/ATE10292T1/de active
- 1980-02-29 BR BR8001187A patent/BR8001187A/pt unknown
- 1980-02-29 EP EP80300618A patent/EP0018068B1/en not_active Expired
- 1980-02-29 DE DE8080300618T patent/DE3069619D1/de not_active Expired
- 1980-02-29 JP JP2516380A patent/JPS55116640A/ja active Granted
- 1980-02-29 YU YU00568/80A patent/YU56880A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE10292T1 (de) | 1984-11-15 |
| BR8001187A (pt) | 1980-11-04 |
| EP0018068B1 (en) | 1984-11-14 |
| DK154416B (da) | 1988-11-14 |
| IL59484A0 (en) | 1980-05-30 |
| IL59484A (en) | 1985-01-31 |
| IN152644B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-03-03 |
| DK154416C (da) | 1989-05-16 |
| EP0018068A1 (en) | 1980-10-29 |
| ES8103386A1 (es) | 1981-02-16 |
| ES489018A0 (es) | 1981-02-16 |
| JPS55116640A (en) | 1980-09-08 |
| YU56880A (en) | 1983-09-30 |
| DE3069619D1 (en) | 1984-12-20 |
| AU517154B2 (en) | 1981-07-09 |
| NO147416C (no) | 1984-03-21 |
| DK85880A (da) | 1980-09-02 |
| AU5596180A (en) | 1980-09-04 |
| NO147416B (no) | 1982-12-27 |
| FI67361B (fi) | 1984-11-30 |
| FI800604A7 (fi) | 1980-09-02 |
| FI67361C (fi) | 1985-03-11 |
| NO800571L (no) | 1980-09-02 |
| CA1136402A (en) | 1982-11-30 |
| US4314837A (en) | 1982-02-09 |
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