NL8203281A - Inrichting en werkwijze voor het winnen van polymeer uit een oplossing. - Google Patents
Inrichting en werkwijze voor het winnen van polymeer uit een oplossing. Download PDFInfo
- Publication number
- NL8203281A NL8203281A NL8203281A NL8203281A NL8203281A NL 8203281 A NL8203281 A NL 8203281A NL 8203281 A NL8203281 A NL 8203281A NL 8203281 A NL8203281 A NL 8203281A NL 8203281 A NL8203281 A NL 8203281A
- Authority
- NL
- Netherlands
- Prior art keywords
- extruder
- polymer
- solution
- degassing
- melt
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001704 evaporation Methods 0.000 claims abstract description 46
- 239000000155 melt Substances 0.000 claims abstract description 19
- 230000008020 evaporation Effects 0.000 claims description 45
- 238000007872 degassing Methods 0.000 claims description 27
- 239000002904 solvent Substances 0.000 claims description 21
- 239000000178 monomer Substances 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 11
- 239000005977 Ethylene Substances 0.000 description 11
- 229920001038 ethylene copolymer Polymers 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 6
- 238000011049 filling Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- -1 polyethylene Polymers 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 229920000092 linear low density polyethylene Polymers 0.000 description 3
- 239000004707 linear low-density polyethylene Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000005021 gait Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1 -dodecene Natural products CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/12—Separation of polymers from solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/295—Feeding the extrusion material to the extruder in gaseous form
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Developing Agents For Electrophotography (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Materials For Medical Uses (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8203281A NL8203281A (nl) | 1982-08-21 | 1982-08-21 | Inrichting en werkwijze voor het winnen van polymeer uit een oplossing. |
| DE8383201209T DE3371880D1 (en) | 1982-08-21 | 1983-08-18 | Device and process for recovering polymer from a solution |
| AT83201209T ATE27566T1 (de) | 1982-08-21 | 1983-08-18 | Vorrichtung und verfahren zur wiedererlangung eines polymeres aus einer loesung. |
| PT77218A PT77218B (en) | 1982-08-21 | 1983-08-18 | Device and process for recovering polymer from a solution |
| EP83201209A EP0102122B2 (en) | 1982-08-21 | 1983-08-18 | Process for recovering polymer from a solution |
| ZA836148A ZA836148B (en) | 1982-08-21 | 1983-08-19 | Device and process for recovering polymer from a solution |
| ES525044A ES525044A0 (es) | 1982-08-21 | 1983-08-19 | Dispositivo para recuperar polimero desde una masa fundida o solucion |
| HU832927A HU189323B (en) | 1982-08-21 | 1983-08-19 | Process and equipment for gaining of polimers from solutions |
| FI832977A FI72982C (fi) | 1982-08-21 | 1983-08-19 | Foerfarande foer tillvaratagning av polymer ur en loesning. |
| JP58150464A JPS5958006A (ja) | 1982-08-21 | 1983-08-19 | 揮発性成分を有する溶液からメルトインデックス２以下を有するエチレン（コ−）ポリマ−を回収する方法及び装置 |
| CA000434971A CA1213129A (en) | 1982-08-21 | 1983-08-19 | Device and process for recovering polymer from a solution |
| EG512/83A EG15973A (en) | 1982-08-21 | 1983-08-20 | Device and process for recovering polymer from a solution |
| US06/838,432 US4686279A (en) | 1982-08-21 | 1986-03-10 | Device and process for recovering polymer from a solution |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8203281 | 1982-08-21 | ||
| NL8203281A NL8203281A (nl) | 1982-08-21 | 1982-08-21 | Inrichting en werkwijze voor het winnen van polymeer uit een oplossing. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8203281A true NL8203281A (nl) | 1984-03-16 |
Family
ID=19840163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8203281A NL8203281A (nl) | 1982-08-21 | 1982-08-21 | Inrichting en werkwijze voor het winnen van polymeer uit een oplossing. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4686279A (OSRAM) |
| EP (1) | EP0102122B2 (OSRAM) |
| JP (1) | JPS5958006A (OSRAM) |
| AT (1) | ATE27566T1 (OSRAM) |
| CA (1) | CA1213129A (OSRAM) |
| DE (1) | DE3371880D1 (OSRAM) |
| EG (1) | EG15973A (OSRAM) |
| ES (1) | ES525044A0 (OSRAM) |
| FI (1) | FI72982C (OSRAM) |
| HU (1) | HU189323B (OSRAM) |
| NL (1) | NL8203281A (OSRAM) |
| PT (1) | PT77218B (OSRAM) |
| ZA (1) | ZA836148B (OSRAM) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909898A (en) * | 1986-10-01 | 1990-03-20 | Polysar Limited | Polymer recovery from solution |
| US5128446A (en) * | 1988-09-07 | 1992-07-07 | Mitsui Petrochemical Industries, Ltd. | Process for producing cycloolefin random copolymer |
| DE3840293A1 (de) * | 1988-11-30 | 1990-05-31 | Werner & Pfleiderer | Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens |
| DE4011383A1 (de) * | 1990-04-07 | 1991-10-10 | Bayer Ag | Kontinuierliches verfahren zum aufkonzentrieren von polymerloesungen bis zu einem geforderten spezifikationsgrad an restloesungsmittel |
| JPH0489432U (OSRAM) * | 1990-12-14 | 1992-08-05 | ||
| EP0575104B1 (en) * | 1992-06-17 | 1996-05-08 | Nippon Shokubai Co., Ltd. | Maleimide-based copolymer and process for producing it |
| DE69418553T2 (de) * | 1993-07-14 | 1999-10-21 | Mitsubishi Chemical Corp., Tokio/Tokyo | Verfahren zur Herstellung einer thermoplastischen amorphen Harzzusammensetzung |
| DE19537113C1 (de) * | 1995-10-05 | 1997-03-13 | Bayer Ag | Verfahren zur Herstellung von thermoplastischem Polymergranulat aus Polymerlösungen |
| US6150498A (en) * | 1996-07-12 | 2000-11-21 | The Dow Chemical Company | Polymer recovery |
| US5861474A (en) * | 1996-07-23 | 1999-01-19 | The Dow Chemical Company | Polymer devolatilization |
| WO1999032525A1 (en) | 1997-12-23 | 1999-07-01 | The Dow Chemical Company | Finishing design to increase the polymer content in an olefin solution polymerization process |
| US6100366A (en) * | 1998-09-18 | 2000-08-08 | Nippon Shokubai Co., Ltd. | Cyclic imino ether group containing polymer and production process therefor |
| US20070225479A1 (en) * | 2003-08-26 | 2007-09-27 | General Electric Company | Method of separating a polymer from a solvent |
| US6949622B2 (en) | 2003-08-26 | 2005-09-27 | General Electric Company | Method of separating a polymer from a solvent |
| US7256225B2 (en) | 2003-08-26 | 2007-08-14 | General Electric Company | Methods of preparing a polymeric material |
| US6924350B2 (en) | 2003-08-26 | 2005-08-02 | General Electric Company | Method of separating a polymer from a solvent |
| US20060089487A1 (en) * | 2003-08-26 | 2006-04-27 | Norberto Silvi | Method of separating a polymer from a solvent |
| US7041780B2 (en) | 2003-08-26 | 2006-05-09 | General Electric | Methods of preparing a polymeric material composite |
| US7053168B2 (en) * | 2003-10-10 | 2006-05-30 | General Electric Company | Method for preparing polyimide and polyimide prepared thereby |
| JP2007245034A (ja) * | 2006-03-16 | 2007-09-27 | Mitsui Eng & Shipbuild Co Ltd | 膜モジュールを用いた膜処理方法及び膜処理装置 |
| JP2009040957A (ja) * | 2007-08-10 | 2009-02-26 | Sumitomo Chemical Co Ltd | 変性ポリオレフィン樹脂の製造方法 |
| EP2072540A1 (en) | 2007-12-20 | 2009-06-24 | Basell Poliolefine Italia S.r.l. | Solution polymerization process for preparing polyolefins |
| US7528222B1 (en) * | 2008-01-15 | 2009-05-05 | Exxonmobil Chemical Patents Inc. | Olefin polymerization process |
| RU2542986C2 (ru) * | 2008-09-19 | 2015-02-27 | Ланксесс Интернасьональ Са | Способ получения полимеров, не содержащих воду и растворители |
| EP2550148B1 (en) | 2010-03-24 | 2015-05-20 | LANXESS International S.A. | Process for the production of water and solvent-free polymers |
| US20130203943A1 (en) | 2010-03-24 | 2013-08-08 | Lanxess International Sa | Process for the production of water and solvent-free halobutyl rubbers |
| EP2368918A1 (en) | 2010-03-24 | 2011-09-28 | LANXESS Deutschland GmbH | Process for the production of water and solvent-free polymers |
| EP2368917B1 (en) * | 2010-03-25 | 2013-01-09 | LANXESS International SA | Process for the production of water and solvent-free hydrogenated nitrile rubbers |
| PL2368916T3 (pl) | 2010-03-25 | 2013-03-29 | Lanxess Int Sa | Sposób wytwarzania kauczuków nitrylowych wolnych od wody i rozpuszczalników |
| US10016698B2 (en) | 2014-07-02 | 2018-07-10 | Nfm Welding Engineers, Inc. | Polymer solution concentrator machine and devolatilization process |
| KR102368130B1 (ko) * | 2017-05-29 | 2022-02-28 | 보레알리스 아게 | 올레핀 중합체로부터 휘발성 성분을 제거하기 위한 공정 및 수득된 물품 |
| EP4182050B1 (en) * | 2020-07-15 | 2025-12-24 | Dow Global Technologies LLC | Process for removal of contaminants from contaminated thermoplastic |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH434719A (de) * | 1963-07-17 | 1967-04-30 | Leybolds Nachfolger E | Vorrichtung zum Kunststoffspritzgiessen |
| US3506640A (en) * | 1965-07-09 | 1970-04-14 | Phillips Petroleum Co | Process for controlling the quality of a polymer |
| DE2116939A1 (en) * | 1971-04-07 | 1972-11-09 | Eggerl, Horst, 7014 Kornwestheim; Eise, Kurt, Dipl.-Ing., 7012 Fellbach; Friedrich, Reinhard, Dipl.-Ing.; Herrmann, Heinz, Dipl.-Ing.; 7000 Stuttgart | Solids extractions during polyethylene soln evaporation - - using opposing screws in flash chamber base |
| GB1467045A (en) * | 1973-08-15 | 1977-03-16 | Mitsubishi Rayon Co | Process for removal of volatile component form methacrylate polymer composition |
| US3963558A (en) * | 1974-12-09 | 1976-06-15 | W Bar E, Incorporated | Apparatus and method for producing solid polymeric material from a dilute polymer solution |
| US4093795A (en) * | 1975-06-03 | 1978-06-06 | Basf Aktiengesellschaft | Multi-stage isolation of high pressure polyethylene |
| DE2722034C2 (de) * | 1977-05-16 | 1984-10-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Äthylenpolymerisaten niederer Dichte mit verbesserter Homogenität |
| US4198265A (en) * | 1977-11-30 | 1980-04-15 | The Firestone Tire & Rubber Company | Method of removing volatiles from an elastomer |
| JPS5515645A (en) * | 1978-07-21 | 1980-02-02 | Hitachi Ltd | Volatile remover for high-viscosity material |
| JPS5653104A (en) * | 1979-10-09 | 1981-05-12 | Mitsui Petrochem Ind Ltd | Separation of polymer from polymer solution |
| NL8102930A (nl) * | 1981-06-17 | 1983-01-17 | Stamicarbon | Werkwijze voor het bereiden van polymeersmelten die vrijwel vrij zijn van vluchtige bestanddelen. |
-
1982
- 1982-08-21 NL NL8203281A patent/NL8203281A/nl not_active Application Discontinuation
-
1983
- 1983-08-18 AT AT83201209T patent/ATE27566T1/de not_active IP Right Cessation
- 1983-08-18 PT PT77218A patent/PT77218B/pt not_active IP Right Cessation
- 1983-08-18 EP EP83201209A patent/EP0102122B2/en not_active Expired - Lifetime
- 1983-08-18 DE DE8383201209T patent/DE3371880D1/de not_active Expired
- 1983-08-19 JP JP58150464A patent/JPS5958006A/ja active Granted
- 1983-08-19 HU HU832927A patent/HU189323B/hu not_active IP Right Cessation
- 1983-08-19 ES ES525044A patent/ES525044A0/es active Granted
- 1983-08-19 ZA ZA836148A patent/ZA836148B/xx unknown
- 1983-08-19 CA CA000434971A patent/CA1213129A/en not_active Expired
- 1983-08-19 FI FI832977A patent/FI72982C/fi not_active IP Right Cessation
- 1983-08-20 EG EG512/83A patent/EG15973A/xx active
-
1986
- 1986-03-10 US US06/838,432 patent/US4686279A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3371880D1 (en) | 1987-07-09 |
| CA1213129A (en) | 1986-10-28 |
| ES8405039A1 (es) | 1984-05-16 |
| US4686279A (en) | 1987-08-11 |
| JPS634842B2 (OSRAM) | 1988-02-01 |
| HUT36148A (en) | 1985-08-28 |
| JPS5958006A (ja) | 1984-04-03 |
| FI832977A0 (fi) | 1983-08-19 |
| ES525044A0 (es) | 1984-05-16 |
| PT77218B (en) | 1986-02-12 |
| FI832977L (fi) | 1984-02-22 |
| EP0102122A1 (en) | 1984-03-07 |
| PT77218A (en) | 1983-09-01 |
| HU189323B (en) | 1986-06-30 |
| EP0102122B2 (en) | 1993-12-29 |
| FI72982B (fi) | 1987-04-30 |
| EP0102122B1 (en) | 1987-06-03 |
| FI72982C (fi) | 1987-08-10 |
| EG15973A (en) | 1990-12-30 |
| ATE27566T1 (de) | 1987-06-15 |
| ZA836148B (en) | 1984-04-25 |
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