TNSN88060A1 - Polymides claires hautement solubles - Google Patents
Polymides claires hautement solublesInfo
- Publication number
- TNSN88060A1 TNSN88060A1 TNTNSN88060A TNSN88060A TNSN88060A1 TN SN88060 A1 TNSN88060 A1 TN SN88060A1 TN TNSN88060 A TNTNSN88060 A TN TNSN88060A TN SN88060 A TNSN88060 A TN SN88060A TN SN88060 A1 TNSN88060 A1 TN SN88060A1
- Authority
- TN
- Tunisia
- Prior art keywords
- polyimides
- highly soluble
- polymides
- prepared
- clear
- Prior art date
Links
- 239000004642 Polyimide Substances 0.000 abstract 3
- 229920001721 polyimide Polymers 0.000 abstract 3
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 abstract 1
- APXJLYIVOFARRM-UHFFFAOYSA-N 4-[2-(3,4-dicarboxyphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(C(O)=O)C(C(O)=O)=C1 APXJLYIVOFARRM-UHFFFAOYSA-N 0.000 abstract 1
- -1 AMINO GROUPS Chemical group 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 150000008065 acid anhydrides Chemical class 0.000 abstract 1
- 150000004985 diamines Chemical class 0.000 abstract 1
- 150000004988 m-phenylenediamines Chemical class 0.000 abstract 1
- 150000004989 p-phenylenediamines Chemical class 0.000 abstract 1
Classifications
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1039—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1075—Partially aromatic polyimides
- C08G73/1078—Partially aromatic polyimides wholly aromatic in the diamino moiety
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Abstract
CETTE INVENTION CONCERNE DES POLYIMIDES AROMATIQUES HAUTEMENT SOLUBLES, OPTIQUEMENT TRANSPARENTES A CLAIRES DANS LE DOMAINE VISIBLE. LES DIANHYDRIDES A PARTIR DESQUELS LES POLYIMIDES SON PREPAREES SONT L'ANHYDRIDE DE L'ACIDE 4,4'-[2,2,2-TRIFLUORO-1-(TRIFLUOROMETHYL) ETHYLIDENE] BIS (1,2-BENZENEDICARBOXYLIQUE) QUI PEUT ETRE PARTIELLEMENT REMPLACE SOIT PAR LE DIANHYDRIDE PYROMELLITIQUE OU PAR LE DINHYDRIDE DE L'ACIDE 3,3',4,4'-BENZOPHENONE TETRACARBOXYLIQUE. LES DIAMINES A PARTIR DESQUELLES LES POLYIMIDES SONT PREPAREES SONT LES m- OU p- PHENYLENE DIAMINES QUI SONT SUBSTITUEES EN ORTHO PAR RAPPORT AUX GROUPES AMINO PAR DES GROUPES ALKYLES PRIMAIRES OU SECONDAIRES AYANT DE 1 A 6 ATOMES DE CARBONE, DE PREFERENCE METHYLES OU ETHYLES,
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8520487A | 1987-08-14 | 1987-08-14 | |
US07/178,092 US4912197A (en) | 1987-08-14 | 1988-04-19 | Highly soluble clear polyimides |
Publications (1)
Publication Number | Publication Date |
---|---|
TNSN88060A1 true TNSN88060A1 (fr) | 1990-07-10 |
Family
ID=26772429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TNTNSN88060A TNSN88060A1 (fr) | 1987-08-14 | 1988-06-10 | Polymides claires hautement solubles |
Country Status (14)
Country | Link |
---|---|
US (1) | US4912197A (fr) |
EP (1) | EP0303774A3 (fr) |
JP (1) | JPH02160832A (fr) |
KR (1) | KR890016084A (fr) |
CN (1) | CN1018183B (fr) |
AU (1) | AU613626B2 (fr) |
BR (1) | BR8802383A (fr) |
DK (1) | DK322988A (fr) |
MA (1) | MA21281A1 (fr) |
NO (1) | NO882141L (fr) |
NZ (1) | NZ224632A (fr) |
OA (1) | OA08847A (fr) |
PT (1) | PT87508A (fr) |
TN (1) | TNSN88060A1 (fr) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2021753A1 (fr) * | 1989-08-17 | 1991-02-18 | Jeffrey S. Stults | Composes de type bis-m-benzotrifluorure |
US5202411A (en) * | 1990-04-06 | 1993-04-13 | W. R. Grace & Co.-Conn. | Tri-component polyimide composition and preparation thereof |
CA2040994A1 (fr) * | 1990-05-08 | 1991-11-09 | David D. Ngo | Revetement de polyimide photo-imageable |
US5427862A (en) * | 1990-05-08 | 1995-06-27 | Amoco Corporation | Photocurable polyimide coated glass fiber |
US5097000A (en) * | 1990-05-23 | 1992-03-17 | E. I. Du Pont De Nemours And Company | 9,9-bis (perfluoroalkyl) xanthene, 9-aryl-9-perfluoroalkylxanthene, monomers and polymers derived therefrom |
US5484879A (en) * | 1990-12-17 | 1996-01-16 | Occidental Chemical Corporation | Polyimides containing fluorine |
JPH0641305A (ja) * | 1991-10-25 | 1994-02-15 | Internatl Business Mach Corp <Ibm> | フッ素化された反応体からのポリアミド酸およびポリイミド |
US5266100A (en) * | 1992-09-02 | 1993-11-30 | E. I. Du Pont De Nemours And Company | Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes |
US5248319A (en) * | 1992-09-02 | 1993-09-28 | E. I. Du Pont De Nemours And Company | Gas separation membranes made from blends of aromatic polyamide, polymide or polyamide-imide polymers |
US5317082A (en) * | 1992-12-22 | 1994-05-31 | Amoco Corporation | Photodefinable optical waveguides |
KR100200199B1 (ko) * | 1994-08-02 | 1999-06-15 | 사또 아끼오 | 광학필터용 폴리이미드수지조성물 |
TW293832B (en) * | 1995-10-13 | 1996-12-21 | Du Pont | Polyimide alignment film from 2,2-bis(3,4-dicarboxyphenyl)-hexafluoropropane dianhydride and ortho-substituted aromatic diamines for active matrix liquid crystal displays |
KR100351628B1 (ko) * | 2000-08-25 | 2002-09-11 | 한국화학연구원 | 신규 폴리이미드와 이를 이용한 기체 분리막 |
US6451955B1 (en) * | 2000-09-28 | 2002-09-17 | Sumitomo Bakelite Company Limited | Method of making a polyimide in a low-boiling solvent |
US6500233B1 (en) | 2000-10-26 | 2002-12-31 | Chevron U.S.A. Inc. | Purification of p-xylene using composite mixed matrix membranes |
DE10134720A1 (de) * | 2001-01-19 | 2002-07-25 | Bayer Ag | Synergistische Mischungen |
US6737502B2 (en) * | 2002-06-06 | 2004-05-18 | Chung-Shan Institute Of Science & Technology | Method of synthesizing polyimides |
DE102005017195B4 (de) | 2005-04-13 | 2007-02-22 | Gkss-Forschungszentrum Geesthacht Gmbh | Kompositmaterial, insbesondere Kompositmembran und Verfahren zur Herstellung desselben |
US20090226642A1 (en) * | 2005-08-03 | 2009-09-10 | E. I. Du Pont De Nemours And Company | Low color polyimide compositions useful in optical type applications and methods and compositions relating thereto |
US7550194B2 (en) | 2005-08-03 | 2009-06-23 | E. I. Du Pont De Nemours And Company | Low color polyimide compositions useful in optical type applications and methods and compositions relating thereto |
US7572878B2 (en) * | 2005-09-16 | 2009-08-11 | E. I. Du Pont De Nemours And Company | Polycyclic polyimides and compositions and methods relating thereto |
NZ599605A (en) | 2007-02-19 | 2013-11-29 | Marinepolymer Tech Inc | Hemostatic compositions and therapeutic regimens |
ES2466916T3 (es) | 2007-06-27 | 2014-06-11 | Admune Therapeutics Llc | Complejos de IL-15 e IL-15R alfa y usos de los mismos |
KR101225842B1 (ko) * | 2007-08-27 | 2013-01-23 | 코오롱인더스트리 주식회사 | 무색투명한 폴리이미드 필름 |
RU2461671C9 (ru) | 2008-05-19 | 2013-02-27 | ИЮКФ-ХИЮ (Индастри-Юниверсити Кооперейшн Фаундейшн Ханиянг Юниверсити) | Полое волокно, композиция прядильного раствора для формования полого волокна и способ получения полого волокна с использованием этой композиции |
EP2281926B1 (fr) | 2008-05-19 | 2018-09-05 | IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | Fibre creuse et procédé de fabrication d'une fibre creuse |
CN101831174B (zh) * | 2009-03-10 | 2014-04-09 | 三星电子株式会社 | 交联的含金属的聚酰胺酸、交联的含金属的聚酰亚胺、其制法及聚酰亚胺膜 |
KR101328838B1 (ko) | 2010-03-30 | 2013-11-13 | 코오롱인더스트리 주식회사 | 폴리이미드 필름 |
US8853723B2 (en) | 2010-08-18 | 2014-10-07 | E. I. Du Pont De Nemours And Company | Light emitting diode assembly and thermal control blanket and methods relating thereto |
ES2712098T3 (es) | 2011-04-15 | 2019-05-09 | Marine Polymer Tech Inc | Tratamiento de infecciones por VHS con nanofibras de poli-N-acetilglucosamina |
US8614288B2 (en) * | 2011-06-17 | 2013-12-24 | Uop Llc | Polyimide gas separation membranes |
US20150029638A1 (en) * | 2012-03-28 | 2015-01-29 | Basf Se | Polyimides as dielectrics |
US20160030465A1 (en) | 2013-03-14 | 2016-02-04 | Marine Polymer Technologies, Inc. | Treatment of disease with poly-n-acetylglucosamine nanofibers |
JP6230308B2 (ja) * | 2013-07-16 | 2017-11-15 | ソマール株式会社 | 透明ポリイミド共重合体、ポリイミド樹脂組成物及び成形体、並びにこの共重合体の製造方法 |
TWI490274B (zh) * | 2014-10-29 | 2015-07-01 | Mortech Corp | 聚醯亞胺基聚合物、應用聚醯亞胺基聚合物之聚醯亞胺膜與應用聚醯亞胺基聚合物之聚醯亞胺積層板 |
JP6801648B2 (ja) * | 2015-05-25 | 2020-12-16 | コニカミノルタ株式会社 | ポリイミドフィルム、ポリイミドフィルムの製造方法、フレキシブルプリント基板、フレキシブルディスプレイ用基板、フレキシブルディスプレイ用前面板、led照明装置及び有機エレクトロルミネッセンス表示装置 |
JP6834592B2 (ja) * | 2016-04-01 | 2021-02-24 | 住友金属鉱山株式会社 | ポリイミド樹脂中のオリゴマ量の評価方法 |
CN106810861A (zh) * | 2017-02-08 | 2017-06-09 | 常州大学 | 一类可溶性共聚型聚芳酰胺膜材料及其制备方法 |
CN106832278A (zh) * | 2017-02-08 | 2017-06-13 | 常州市明卓新材料科技有限公司 | 一类高透明共聚型含氟聚酰亚胺膜材料及其制备方法 |
CN110681272B (zh) * | 2018-07-06 | 2022-02-01 | 中国石油化工股份有限公司 | 聚酰亚胺渗透汽化膜及其制备方法 |
KR102152278B1 (ko) | 2018-11-30 | 2020-09-07 | 한국화학연구원 | Bcda 기반의 부분-지환족 폴리이미드 기체분리막 소재 및 이의 제조방법 |
US11007491B2 (en) | 2019-02-27 | 2021-05-18 | Saudi Arabian Oil Company | Aromatic co-polyimide gas separation membranes derived from 6FDA-6FpDA-type homo-polyimides |
US11007492B2 (en) | 2019-02-27 | 2021-05-18 | Saudi Arabian Oil Company | Aromatic co-polyimide gas separation membranes derived from 6FDA-DAM-type homo-polyimides |
EP4298906A1 (fr) * | 2022-06-27 | 2024-01-03 | The Procter & Gamble Company | Composition antimicrobienne comprenant un polyimide |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3227510A (en) * | 1958-03-04 | 1966-01-04 | Tee Pak Inc | Dyeing substrates ionically binding in localized areas catalysts for the predyeing olefin polymerization thereon |
US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
US3356648A (en) * | 1966-10-13 | 1967-12-05 | Du Pont | Polyamide-acids and polyimides from hexafluoropropylidine bridged diamine |
FR2050251A1 (en) * | 1969-07-08 | 1971-04-02 | Inst Francais Du Petrole | Sulphonated polyimides (i) used as ion ex- - changes and in electrodialysis |
US3959350A (en) * | 1971-05-17 | 1976-05-25 | E. I. Du Pont De Nemours And Company | Melt-fusible linear polyimide of 2,2-bis(3,4-dicarboxyphenyl)-hexafluoropropane dianhydride |
US3957651A (en) * | 1971-12-16 | 1976-05-18 | Chemical Systems Incorporated | Microporous polyester membranes and polymer assisted phase inversion process for their manufacture |
US3822202A (en) * | 1972-07-20 | 1974-07-02 | Du Pont | Heat treatment of membranes of selected polyimides,polyesters and polyamides |
US4629777A (en) * | 1983-05-18 | 1986-12-16 | Ciba-Geigy Corporation | Polyimides, a process for their preparation and their use |
US4705540A (en) * | 1986-04-17 | 1987-11-10 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
US4717394A (en) * | 1986-10-27 | 1988-01-05 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
US4717393A (en) * | 1986-10-27 | 1988-01-05 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
-
1988
- 1988-04-19 US US07/178,092 patent/US4912197A/en not_active Expired - Lifetime
- 1988-05-16 OA OA59353A patent/OA08847A/xx unknown
- 1988-05-16 NZ NZ224632A patent/NZ224632A/xx unknown
- 1988-05-16 NO NO88882141A patent/NO882141L/no unknown
- 1988-05-16 MA MA21522A patent/MA21281A1/fr unknown
- 1988-05-17 AU AU16323/88A patent/AU613626B2/en not_active Ceased
- 1988-05-17 BR BR8802383A patent/BR8802383A/pt unknown
- 1988-05-17 KR KR1019880005877A patent/KR890016084A/ko not_active Application Discontinuation
- 1988-05-18 EP EP88107949A patent/EP0303774A3/fr not_active Withdrawn
- 1988-05-18 CN CN88102946A patent/CN1018183B/zh not_active Expired
- 1988-05-18 PT PT87508A patent/PT87508A/pt not_active Application Discontinuation
- 1988-05-18 JP JP63119451A patent/JPH02160832A/ja active Pending
- 1988-06-10 TN TNTNSN88060A patent/TNSN88060A1/fr unknown
- 1988-06-14 DK DK322988A patent/DK322988A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BR8802383A (pt) | 1989-02-28 |
PT87508A (pt) | 1989-06-30 |
EP0303774A3 (fr) | 1989-05-31 |
DK322988A (da) | 1989-02-15 |
OA08847A (en) | 1989-03-31 |
NO882141D0 (no) | 1988-05-16 |
JPH02160832A (ja) | 1990-06-20 |
MA21281A1 (fr) | 1988-12-31 |
AU1632388A (en) | 1989-02-16 |
US4912197A (en) | 1990-03-27 |
AU613626B2 (en) | 1991-08-08 |
DK322988D0 (da) | 1988-06-14 |
CN1031239A (zh) | 1989-02-22 |
EP0303774A2 (fr) | 1989-02-22 |
NZ224632A (en) | 1990-07-26 |
NO882141L (no) | 1989-02-15 |
KR890016084A (ko) | 1989-11-28 |
CN1018183B (zh) | 1992-09-09 |
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