YU47380B - Postupak za kontinualnu proizvodnju smole velike molekulske mase - Google Patents
Postupak za kontinualnu proizvodnju smole velike molekulske maseInfo
- Publication number
- YU47380B YU47380B YU193190A YU193190A YU47380B YU 47380 B YU47380 B YU 47380B YU 193190 A YU193190 A YU 193190A YU 193190 A YU193190 A YU 193190A YU 47380 B YU47380 B YU 47380B
- Authority
- YU
- Yugoslavia
- Prior art keywords
- molecular weight
- procedure
- continuous production
- large molecular
- resin large
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polymerisation Methods In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Abstract
POSTUPAK ZA KONTINUALNU PROIZVODNJU SMOLE VELIKE MOLEKULSKE MASE, od poliesterske smole manje molekulske mase izabrane iz grupe koja se sastoji iz polietilentereftalata i kopolietilentereftalata-izoftalata, kod koga smolu u istopljenom stanju mešamo sa aditivom koji omogućava povećanje viskoziteta, prevodimo u granulat i tretiramo u reaktoru za polikondenzaciju u čvrstom stanju, naznačen ti me, što je aditiv dianhidrid aromatske tetrakarboksilne kiseline. Prijava sadrži još 4 zavisna zahteva.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19890119049 EP0422282B1 (en) | 1989-10-13 | 1989-10-13 | Process for the continuous production of high molecular weight polyester resin |
Publications (2)
Publication Number | Publication Date |
---|---|
YU193190A YU193190A (sh) | 1994-05-10 |
YU47380B true YU47380B (sh) | 1995-01-31 |
Family
ID=8202025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU193190A YU47380B (sh) | 1989-10-13 | 1990-10-15 | Postupak za kontinualnu proizvodnju smole velike molekulske mase |
Country Status (28)
Country | Link |
---|---|
US (1) | US5243020A (sh) |
EP (1) | EP0422282B1 (sh) |
JP (1) | JPH0686518B2 (sh) |
KR (1) | KR950002609B1 (sh) |
AT (1) | ATE120777T1 (sh) |
AU (1) | AU631265B2 (sh) |
BR (1) | BR9006963A (sh) |
CA (1) | CA2044175C (sh) |
CZ (1) | CZ497090A3 (sh) |
DE (2) | DE68922102T2 (sh) |
DK (1) | DK174141B1 (sh) |
ES (1) | ES2070878T3 (sh) |
FI (1) | FI101969B (sh) |
HU (2) | HU211190B (sh) |
IL (1) | IL95961A (sh) |
IS (1) | IS3637A7 (sh) |
MA (1) | MA21975A1 (sh) |
MT (1) | MTP1070B (sh) |
MX (1) | MX173677B (sh) |
NZ (1) | NZ235659A (sh) |
PL (1) | PL165798B1 (sh) |
PT (1) | PT95589B (sh) |
RU (1) | RU2068422C1 (sh) |
SK (1) | SK279177B6 (sh) |
TR (1) | TR25970A (sh) |
WO (1) | WO1991005815A1 (sh) |
YU (1) | YU47380B (sh) |
ZA (1) | ZA908176B (sh) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1245599B (it) * | 1991-03-29 | 1994-09-29 | M & G Ricerche Spa | Resine copoliestere ad elevato peso molecolare e basso punto di fusione |
IT1245597B (it) * | 1991-03-29 | 1994-09-29 | M & G Ricerche Spa | Processo per la produzione di resine poliestere ad elevato peso molecolare |
IT1245598B (it) * | 1991-03-29 | 1994-09-29 | M & G Ricerche Spa | Processo per la produzione di resine poliestere ad elevato peso molecolare |
IT1251953B (it) * | 1991-10-18 | 1995-05-27 | M & G Ricerche Spa | Procedimento per la produzione di resine poliestere ad elevato peso molecolare. |
IT1252223B (it) * | 1991-12-16 | 1995-06-05 | M & G Ricerche Spa | Resine poliestere cellulari e loro procedimento di preparazione |
IT1258965B (it) * | 1992-06-10 | 1996-03-11 | Procedimento per la produzione di resine poliestere per fibre | |
DE69315211T2 (de) * | 1992-06-15 | 1998-03-19 | Allied Signal Inc | Verfahren zur herstellung kettenverlängerter polyester und block- oder pfropfcoployester |
US5852134A (en) * | 1992-10-15 | 1998-12-22 | Sinco Engineering S.P.A. | Polymeric alloys from polyester resins and process for their production |
IT1256600B (it) * | 1992-10-15 | 1995-12-12 | Leghe polimeriche da resine poliestere e procedimento per la loro preparazione | |
US5536793A (en) * | 1993-01-29 | 1996-07-16 | Amoco Corporation | Concentrate for use in the melt fabrication of polyester |
DE4314345A1 (de) * | 1993-04-30 | 1994-11-17 | Reinhard Dr Unger | Verfahren und Vorrichtung zur Wiederaufbereitung von festem Polyestermaterial |
IT1271401B (it) * | 1993-05-06 | 1997-05-28 | M & G Ricerche Spa | Fibre ad alto modulo da resine poliestere |
IT1264381B1 (it) * | 1993-05-07 | 1996-09-23 | M & G Ricerche Spa | Articoli formati da resine poliestere |
US5869561A (en) * | 1993-05-07 | 1999-02-09 | Sinco Engineering S.P.A. | Articles from a polyester resin reinforced with glass fibre |
ATE180818T1 (de) * | 1993-05-07 | 1999-06-15 | Sinco Ricerche Spa | Polyesterzusammensetzungen geeignet zur herstellung von fasern und folien mit hohem elastizitätsmodul |
DE4329310A1 (de) * | 1993-08-31 | 1995-03-02 | Brueggemann L Kg | Verfahren zur Herstellung modifizierter Polyester-Formmassen |
EP0666285B1 (en) * | 1994-02-02 | 2000-05-17 | European Economic Community E.E.C. | A PET packaging material |
TW460525B (en) * | 1994-02-28 | 2001-10-21 | Ciba Sc Holding Ag | A process for increasing the molecular weight of polyesters with a tetracarboxylic acid dianhydride and a sterically hindered hydroxy-phenylalkylphonic acid ester or half-ester |
KR970701755A (ko) * | 1994-03-11 | 1997-04-12 | 마이클 제이. 머피 | 재생 폴리에스테르의 공중합체(Copolymers of recycled polyesters) |
US5801235A (en) * | 1994-05-25 | 1998-09-01 | Hybridon, Inc. | Oligonucleotides with anti-cytomegalovirus activity |
DE4429524C2 (de) * | 1994-08-19 | 1997-12-18 | Inventa Ag | Verfahren zur Herstellung von linearen omega-Hydroxycarbonsäureeinheiten enthaltenden Copolyestern |
KR100383188B1 (ko) * | 1994-10-14 | 2003-07-12 | 시바 스페셜티 케미칼스 홀딩 인크. | 중축합물의분자량을증가시키는방법 |
IT1271073B (it) | 1994-11-21 | 1997-05-26 | M & G Ricerche Spa | Procedimento per la cristallizzazione di resine poliestere |
IT1271293B (it) * | 1994-12-16 | 1997-05-27 | M & G Ricerche Spa | Procedimento per la policondensazione allo stato solido di resine poliestere |
US6121387A (en) * | 1994-12-21 | 2000-09-19 | Imperial Chemical Industries, Plc | Process for preparing a coating composition |
US6673874B1 (en) | 1994-12-21 | 2004-01-06 | Imperial Chemical Industries Plc | Modified polymers |
US5830982A (en) * | 1995-01-20 | 1998-11-03 | E. I. Du Pont De Nemours And Company | Production of poly (ethylene terephthalate) |
DE19505680C1 (de) * | 1995-02-20 | 1996-05-23 | Inventa Ag | Kondensations-Spritzgußverfahren zur Herstellung von Flaschenvorformlingen aus Polyethylenterephthalat und/oder seinen Copolyestern sowie nach diesem Verfahren herstellbare Vorformlinge |
IT1275478B (it) | 1995-07-05 | 1997-08-07 | M & G Ricerche Spa | Resine poliestere aventi migliorate proprieta' |
IT1283083B1 (it) * | 1996-05-30 | 1998-04-07 | Sinco Eng Spa | Procedimento perfezionato per la produzione di resine poliestere |
IT1283166B1 (it) * | 1996-07-18 | 1998-04-07 | Sinco Eng Spa | Procedimento perfezionato per la produzione di resine poliestere |
IT1283644B1 (it) * | 1996-08-01 | 1998-04-23 | Sinco Eng Spa | Procedimento perfezionato per la produzione di resine poliestere |
US5876644A (en) * | 1996-08-27 | 1999-03-02 | Wellman, Inc. | Food quality polyester recycling |
IT1285524B1 (it) * | 1996-10-18 | 1998-06-08 | Sinco Eng Spa | Procedimento per il raffreddamento di resine poliestere e/o poliammidiche |
US6099778A (en) * | 1996-10-28 | 2000-08-08 | Eastman Chemical Company | Process for producing pet articles with low acetaldehyde |
IT1298635B1 (it) * | 1998-03-17 | 2000-01-12 | Sinco Ricerche Spa | Resine poliestere aventi migliorate proprieta' |
US6441104B1 (en) | 1999-06-16 | 2002-08-27 | Nippon Shokubai Co., Ltd. | Process for producing high molecular weight thermoplastic resin composition and its use |
BR0112969A (pt) | 2000-08-04 | 2004-06-22 | Dmi Biosciences Inc | Método de utilização de dicetopiperazinas e composições contendo-as |
FR2830788B1 (fr) * | 2001-10-12 | 2006-09-22 | Tergal Fibres | Procede de fabrication de corps creux, corps creux, preformes et bouteilles obtenus par ce procede |
AT410942B (de) * | 2001-10-29 | 2003-08-25 | Fellinger Markus | Verfahren und vorrichtung zur erhöhung der grenzviskosität von polyester |
EP1571970B1 (en) | 2002-10-02 | 2011-08-17 | DMI Biosciences, Inc. | Diagnosis and monitoring of diseases |
US7732403B2 (en) | 2003-05-15 | 2010-06-08 | Dmi Biosciences, Inc. | Treatment of T-cell mediated diseases |
DE10329971A1 (de) * | 2003-07-03 | 2005-02-10 | Zentes Unitex Gmbh | Polykondensationsverfahren |
KR20090068251A (ko) | 2006-10-16 | 2009-06-25 | 발스파 소싱 인코포레이티드 | 다층 열가소성 필름 |
CN101528873B (zh) * | 2006-10-16 | 2013-04-24 | 威士伯采购公司 | 涂布方法和制品 |
US8217047B2 (en) | 2008-05-27 | 2012-07-10 | Dmi Acquisition Corp. | Therapeutic methods and compounds |
PL2163577T3 (pl) | 2008-09-15 | 2013-01-31 | Armacell Entpr Gmbh & Co Kg | Przedłużacze łańcucha i spienione termoplastyczne materiały komórkowe otrzymywane w procesie wytłaczania reaktywnego za pomocą tych przedłużaczy łańcucha |
KR101049259B1 (ko) * | 2008-12-11 | 2011-07-13 | 호남석유화학 주식회사 | 고점도 폴리에스테르 수지의 제조 방법 |
CA2810844C (en) | 2010-09-07 | 2017-03-21 | Dmi Acquisition Corp. | Diketopiperazine compositions for the treatment of metabolic syndrome and related conditions |
PL2766029T3 (pl) | 2011-10-10 | 2020-08-24 | Ampio Pharmaceuticals, Inc. | Leczenie choroby zwyrodnieniowej stawów |
WO2013055749A1 (en) | 2011-10-10 | 2013-04-18 | Ampio Pharmaceuticals, Inc. | Implantable medical devices with increased immune tolerance, and methods for making and implanting |
CN105101965B (zh) | 2013-03-15 | 2021-03-09 | 安皮奥制药股份有限公司 | 用于干细胞活动化、归巢、扩增和分化的组合物及其使用方法 |
RU2736513C2 (ru) | 2014-08-18 | 2020-11-17 | Ампио Фармасьютикалз, Инк. | Лечение патологических состояний суставов |
WO2017116271A1 (en) * | 2015-12-30 | 2017-07-06 | Public Joint Stock Company "Sibur Holding" | A composition of a concentrate and a method of increasing polymer viscosity |
RU2703130C1 (ru) * | 2015-12-30 | 2019-10-15 | Публичное акционерное общество "СИБУР Холдинг" | Композиция концентрата, способ ее получения и способ повышения вязкости полимеров |
CH713339A1 (de) * | 2017-01-03 | 2018-07-13 | Alpla Werke Alwin Lehner Gmbh & Co Kg | PET-Regranulat mit hoher intrinsischer Viskosität und Verfahren zu dessen Herstellung. |
EP3495126B1 (en) * | 2017-12-05 | 2021-08-04 | Point Plastic S.r.l. | Process for extrusion of a film based on thermoplastic material |
CH717234A1 (de) * | 2020-03-16 | 2021-09-30 | Alpla Werke Alwin Lehner Gmbh & Co Kg | Verfahren zur Herstellung eines zur Verwendung in einem Extrusionsblasverfahren geeigneten PET-Ausgangsmaterials und daraus hergestellter Hohlkörper. |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US355157A (en) * | 1886-12-28 | Buoy or beacon | ||
GB1239751A (sh) * | 1967-05-23 | 1971-07-21 | ||
CA954650A (en) * | 1970-10-19 | 1974-09-10 | Kenneth L. Knox | Solid phase polymerization of waste polyethylene terephthalate |
GB1489430A (en) * | 1973-11-12 | 1977-10-19 | Gen Electric | Solid phase polymerization of polybutylene terephthalate |
US4132707A (en) * | 1976-12-06 | 1979-01-02 | General Electric Company | Preparation of branched poly(alkylene terephthalates) |
US4436782A (en) * | 1980-11-24 | 1984-03-13 | E. I. Du Pont De Nemours And Company | Oligomer pellets of ethylene terephthalate |
US4680345A (en) * | 1985-06-05 | 1987-07-14 | Toyo Boseki Kabushiki Kaisha | Continuous production of elastic polyesters |
US4772649A (en) * | 1986-12-18 | 1988-09-20 | The Dow Chemical Company | Polyesteramide and sufficient carbodiimide to impart improved compression set |
US4876326A (en) * | 1987-03-26 | 1989-10-24 | The Goodyear Tire & Rubber Company | Solid state polymerization of polyester prepolymers |
US4849497A (en) * | 1988-08-03 | 1989-07-18 | The Goodyear Tire & Rubber Company | Solid state polymerization of porous pills made by compacting polyester prepolymers |
-
1989
- 1989-10-13 ES ES89119049T patent/ES2070878T3/es not_active Expired - Lifetime
- 1989-10-13 DE DE68922102T patent/DE68922102T2/de not_active Expired - Lifetime
- 1989-10-13 AT AT89119049T patent/ATE120777T1/de not_active IP Right Cessation
- 1989-10-13 EP EP19890119049 patent/EP0422282B1/en not_active Expired - Lifetime
-
1990
- 1990-10-11 IS IS3637A patent/IS3637A7/is unknown
- 1990-10-11 MX MX2278990A patent/MX173677B/es unknown
- 1990-10-12 ZA ZA908176A patent/ZA908176B/xx unknown
- 1990-10-12 JP JP51446490A patent/JPH0686518B2/ja not_active Expired - Lifetime
- 1990-10-12 PL PL90287298A patent/PL165798B1/pl unknown
- 1990-10-12 PT PT95589A patent/PT95589B/pt not_active IP Right Cessation
- 1990-10-12 US US07/690,895 patent/US5243020A/en not_active Expired - Lifetime
- 1990-10-12 NZ NZ235659A patent/NZ235659A/en unknown
- 1990-10-12 IL IL9596190A patent/IL95961A/en not_active IP Right Cessation
- 1990-10-12 AU AU66010/90A patent/AU631265B2/en not_active Expired
- 1990-10-12 CZ CS904970A patent/CZ497090A3/cs not_active IP Right Cessation
- 1990-10-12 DE DE19904032510 patent/DE4032510A1/de not_active Withdrawn
- 1990-10-12 HU HU911975A patent/HU211190B/hu unknown
- 1990-10-12 BR BR9006963A patent/BR9006963A/pt not_active IP Right Cessation
- 1990-10-12 SK SK4970-90A patent/SK279177B6/sk not_active IP Right Cessation
- 1990-10-12 KR KR1019910700595A patent/KR950002609B1/ko not_active IP Right Cessation
- 1990-10-12 HU HU197590A patent/HUT62619A/hu unknown
- 1990-10-12 MA MA22244A patent/MA21975A1/fr unknown
- 1990-10-12 CA CA 2044175 patent/CA2044175C/en not_active Expired - Lifetime
- 1990-10-12 MT MT1070A patent/MTP1070B/xx unknown
- 1990-10-12 RU SU4895721/04A patent/RU2068422C1/ru active
- 1990-10-12 WO PCT/NL1990/000152 patent/WO1991005815A1/en active IP Right Grant
- 1990-10-15 YU YU193190A patent/YU47380B/sh unknown
- 1990-10-15 TR TR95890A patent/TR25970A/xx unknown
-
1991
- 1991-06-12 FI FI912826A patent/FI101969B/fi active
- 1991-06-12 DK DK199101126A patent/DK174141B1/da not_active IP Right Cessation
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