KR880009068A - 이미드 및 에폭시기를 기본으로 한 열경화성 조성물 - Google Patents
이미드 및 에폭시기를 기본으로 한 열경화성 조성물 Download PDFInfo
- Publication number
- KR880009068A KR880009068A KR1019880000106A KR880000106A KR880009068A KR 880009068 A KR880009068 A KR 880009068A KR 1019880000106 A KR1019880000106 A KR 1019880000106A KR 880000106 A KR880000106 A KR 880000106A KR 880009068 A KR880009068 A KR 880009068A
- Authority
- KR
- South Korea
- Prior art keywords
- epoxy resin
- bisimide
- diamine
- formula
- phenylene
- Prior art date
Links
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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
-
- 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
- C08G73/12—Unsaturated polyimide precursors
- C08G73/126—Unsaturated polyimide precursors the unsaturated precursors being wholly aromatic
- C08G73/127—Unsaturated polyimide precursors the unsaturated precursors being wholly aromatic containing oxygen in the form of ether bonds in the main chain
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4042—Imines; Imides
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/56—Amines together with other curing agents
-
- 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
-
- 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
- C08G73/12—Unsaturated polyimide precursors
- C08G73/121—Preparatory processes from unsaturated precursors and polyamines
-
- 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
- C08G73/12—Unsaturated polyimide precursors
- C08G73/125—Unsaturated polyimide precursors the unsaturated precursors containing atoms other than carbon, hydrogen, oxygen or nitrogen in the main chain
-
- 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
- C08G73/12—Unsaturated polyimide precursors
- C08G73/126—Unsaturated polyimide precursors the unsaturated precursors being wholly aromatic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polymerisation Methods In General (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Polyesters Or Polycarbonates (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Epoxy Compounds (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Laminated Bodies (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (5)
- 90 내지 200℃의 온도에서 N,N'-비스이미드, 디-1차 디아민 및 에폭시수지간의 반응 생성물로 이루어지며 상기 반응은 하기 점들로 정의됨을 특징으로 하는 열경화성 조성물 : (a) N,N'-비스이미드는 하기식의 생성물이다.상기 식에서 : 기호 Y는 H,CH3또는 Cl을 나타내며, 기호 A는 다음의 라디칼들로 구성된 군으로부터 선택되는 2가 라디칼이다: 시클로헥실렌, 페닐렌, 4-메틸-1,3-페닐렌, 2-메틸-1,3-페닐렌, 5-메틸-1,3-페닐렌, 2,5-디에틸-3-메틸-1,4-페닐렌 및 하기 식의 라디칼 :상기 식에서, T는 단일 원자가 결합이거나 기 :을 나타내며 기호 X는 상호 같거나 다른데 그 각각은 수소원자 또는 메틸, 에틸 또는 이소프로필 라디칼 임. (b) 디-1차 디아민은 하기식의 생성물이다 :상기식에서, 기호 B는 기호 A로 표시된 2가 라디칼들 중 하나인데, 이때 동일한 중합체내에 존재하는 기호 A 및 B는 상호 같거나 다를 수 있다. (c) 에폭시수지는 그 에폭시 당량이 100 내지 500이며 이는 에피클로로히드린과 다음으로 구성된 군으로 부터 선택되는 2가 페놀과의 반응으로 얻어지는 글리시딜 에테르로 이루어진다 : 2,2-비스(4-히드록시페닐) 프로판, 비스(4-히드록시페닐)-메탄, 비스(4-히드록시페닐)메틸페닐 메탄, 비스(4-히드록시페닐)톨릴 메탄, 레소르시놀, 히드로퀴논, 피로카테콜, 4,4'-디히드록시페닐, 이들 페놀류와 알데히드와의 축합 반응 생성물 및 이들 페놀류로부터 기원하는 방향족 핵상에 염소화 또는 브롬화된 유도체. (d) 식(I)의 N,N'-비스이미드와 식(II)의 디아민의 양은 비율:이 1.2/1 내지 20/1의 범위내가 되도록 하며; 에폭시수지의 양은 비스이미드+디아민+에폭시수지의 조합 혼합물 중량의 10 내지 40%이며 염소화 또는 브롬화 에폭시수지를 사용하는 경우에는 에폭시수지에 의하여 부여된 염소 또는 브롬의 양은 비스이미드+디아민+에폭시수지의 조합 혼합물의 중량에 대한 원소 염소 또는 원소브롬의 중량%로 표시하여 6%이하이다. (e) 상기 반응은, 분할된 고체상태의 식(I)의 N,N'-비스이미드, 용융상태의 식(II)의 디아민 및 액체 상태의 에폭시수지를 압출기 스크루우를 갖춘 믹서내에 따로따로 도입시키는 것으로 이루어진 연속 제조방 법에 따라 실시된다.
- 제1항에 있어서, 사용되는 믹서는 회전운동과 동시에 축방향으로 진동운동을 일으키는 차단날을 갖는 무한 스크루우로 이루어지며 이 스크루우의 차단날과 상호 작용하는 치차를 포함하는 통을 외피로 하고 있음을 특징으로 하는 열경화성 조성물.
- 제1항 및 2항 중 어느 하나에 있어서, 디아민(b)과 에폭시수지(c)는 비스이미드(a) 공급대역의 하류에 공급됨을 특징으로 하는 열경화성 조성물.
- 제1항 내지 3항 중 어느 하나에 있어서, 염소화 또는 브롬화 에폭시수지를 사용할때에 이는 그 자체로서 또는 비염소화 또는 비브롬화 에폭시수지와 혼합하여 사용하며, 사용되는 에폭시수지 또는 에폭시수지 혼합물에 의하여 부여된 염소 또는 브롬의 양은 비스이미드+디아민+에폭시수지의 조합 혼합물의 중량에 대한 원소염소 또는 원소브롬의 중량%로 표시하여 2 내지 4%의 범위 이내임을 특징으로 하는 열경화성 조성물.
- 제1항 내지 4항 중 어느 하나에 따른 열경화성 조성물을 160 내지 280℃의 온도로 가열시키는 것으로 이루어진 경화된 수지의 제조에의 용도.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8700299A FR2609467B1 (fr) | 1987-01-09 | 1987-01-09 | Compositions thermodurcissables a base de groupements imide et epoxy |
FR87/00299 | 1987-01-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880009068A true KR880009068A (ko) | 1988-09-14 |
KR950000068B1 KR950000068B1 (ko) | 1995-01-09 |
Family
ID=9346874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880000106A KR950000068B1 (ko) | 1987-01-09 | 1988-01-09 | 이미드 및 에폭시기를 기본으로 한 열경화성 조성물 |
Country Status (14)
Country | Link |
---|---|
US (2) | US4996285A (ko) |
EP (1) | EP0277887B1 (ko) |
JP (1) | JPS63179922A (ko) |
KR (1) | KR950000068B1 (ko) |
AT (1) | ATE62915T1 (ko) |
BR (1) | BR8800041A (ko) |
CA (1) | CA1302610C (ko) |
DE (1) | DE3862475D1 (ko) |
DK (1) | DK7088A (ko) |
ES (1) | ES2021862B3 (ko) |
FI (1) | FI880091A (ko) |
FR (1) | FR2609467B1 (ko) |
NO (1) | NO169448C (ko) |
PT (1) | PT86515B (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5015674A (en) * | 1988-08-05 | 1991-05-14 | Mitsui Toatsu Chemicals, Inc. | Composition of vinyl polymer-grafted, silicone polymer-modified epoxy resin and polymaleimide |
FR2645540B1 (fr) * | 1989-04-10 | 1991-06-14 | Rhone Poulenc Chimie | Polymeres a groupements imide a base de maleimides dont un bismaleimide siloxane et de diamines aromatiques et leur procede de preparation |
FR2645539B1 (fr) * | 1989-04-10 | 1991-06-14 | Rhone Poulenc Chimie | Polymeres a groupements imides faits a partir de diamines encombrees |
FR2653130B1 (fr) * | 1989-10-16 | 1992-01-03 | Rhone Poulenc Chimie | Polymeres a groupements imides faits a partir de diamines encombrees. |
US5043368A (en) * | 1990-12-28 | 1991-08-27 | General Electric Company | Polyetherimide/epoxy chopped fiber reinforced laminates and the preparation thereof |
US5378740A (en) * | 1992-04-30 | 1995-01-03 | The Dexter Corporation | Waterborne epoxy derivative composition |
US5246751A (en) * | 1992-05-18 | 1993-09-21 | The Dow Chemical Company | Poly(hydroxy ether imides) as barrier packaging materials |
US5856425A (en) * | 1997-10-10 | 1999-01-05 | Occidental Chemical Corporation | Dispensable resin paste |
AR024361A1 (es) | 1999-06-15 | 2002-10-02 | Dow Chemical Co | Proceso y aparato para preparar una composicion utilizando un reactor continuo y mezclador en serie |
JP5497660B2 (ja) * | 2007-12-17 | 2014-05-21 | ランクセス・ドイチュランド・ゲーエムベーハー | 硬化系およびそれによって得られるコーティング |
EP2085416A1 (en) * | 2008-01-24 | 2009-08-05 | Flexsys Holding B.V. | Epoxy curing system and coatings obtained thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR956605A (ko) * | 1943-07-24 | 1950-02-02 | ||
US4374214A (en) * | 1971-11-19 | 1983-02-15 | General Electric Company | Imide containing blends and polymeric compositions prepared therefrom |
FR2165722B1 (ko) * | 1971-12-27 | 1974-08-30 | Rhone Poulenc Sa | |
FR2201313B1 (ko) * | 1972-10-02 | 1975-01-03 | Rhone Poulenc Sa | |
FR2204655B1 (ko) * | 1972-10-31 | 1976-01-30 | Rhone Poulenc Ind Fr | |
FR2259860B1 (ko) * | 1974-02-04 | 1976-12-03 | Rhone Poulenc Ind | |
US4288359A (en) * | 1977-11-04 | 1981-09-08 | E. I. Du Pont De Nemours And Company | Epoxy imide compositions |
US4283521A (en) * | 1979-02-14 | 1981-08-11 | Trw Inc. | Curable aromatic epoxy-polyimide and cycloaliphatic epoxy-polyimide compositions |
JPS5628215A (en) * | 1979-08-17 | 1981-03-19 | Hitachi Chem Co Ltd | Preparation of imide prepolymer |
JPS56115322A (en) * | 1980-02-14 | 1981-09-10 | Hitachi Chem Co Ltd | Preparation of thermosetting maleimide prepolymer |
JPS5749621A (en) * | 1980-09-09 | 1982-03-23 | Hitachi Ltd | Preparation of heat-resistant resin |
US4510272A (en) * | 1983-03-16 | 1985-04-09 | Avco Corporation | Bis-maleimide-epoxy compositions and prepregs |
US4579916A (en) * | 1983-11-15 | 1986-04-01 | Ciba-Geigy Corporation | Curable mixtures containing an epoxide resin, an imide and a curing catalyst |
-
1987
- 1987-01-09 FR FR8700299A patent/FR2609467B1/fr not_active Expired
- 1987-12-30 CA CA000555569A patent/CA1302610C/fr not_active Expired - Lifetime
-
1988
- 1988-01-05 EP EP88420004A patent/EP0277887B1/fr not_active Expired - Lifetime
- 1988-01-05 AT AT88420004T patent/ATE62915T1/de not_active IP Right Cessation
- 1988-01-05 ES ES88420004T patent/ES2021862B3/es not_active Expired - Lifetime
- 1988-01-05 DE DE8888420004T patent/DE3862475D1/de not_active Expired - Lifetime
- 1988-01-06 NO NO880033A patent/NO169448C/no unknown
- 1988-01-07 BR BR8800041A patent/BR8800041A/pt not_active Application Discontinuation
- 1988-01-08 PT PT86515A patent/PT86515B/pt not_active IP Right Cessation
- 1988-01-08 DK DK007088A patent/DK7088A/da not_active Application Discontinuation
- 1988-01-08 FI FI880091A patent/FI880091A/fi not_active IP Right Cessation
- 1988-01-08 JP JP63001421A patent/JPS63179922A/ja active Pending
- 1988-01-09 KR KR1019880000106A patent/KR950000068B1/ko not_active IP Right Cessation
-
1989
- 1989-10-11 US US07/420,723 patent/US4996285A/en not_active Expired - Lifetime
-
1990
- 1990-11-13 US US07/614,000 patent/US5075410A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO880033D0 (no) | 1988-01-06 |
CA1302610C (fr) | 1992-06-02 |
ES2021862B3 (es) | 1991-11-16 |
FR2609467B1 (fr) | 1989-06-09 |
EP0277887B1 (fr) | 1991-04-24 |
US5075410A (en) | 1991-12-24 |
FR2609467A1 (fr) | 1988-07-15 |
NO169448B (no) | 1992-03-16 |
FI880091A (fi) | 1988-07-10 |
DK7088A (da) | 1988-07-10 |
JPS63179922A (ja) | 1988-07-23 |
NO880033L (no) | 1988-07-11 |
DK7088D0 (da) | 1988-01-08 |
KR950000068B1 (ko) | 1995-01-09 |
US4996285A (en) | 1991-02-26 |
NO169448C (no) | 1992-06-24 |
PT86515B (pt) | 1991-12-31 |
ATE62915T1 (de) | 1991-05-15 |
EP0277887A1 (fr) | 1988-08-10 |
FI880091A0 (fi) | 1988-01-08 |
BR8800041A (pt) | 1988-08-02 |
PT86515A (fr) | 1988-02-01 |
DE3862475D1 (de) | 1991-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3920768A (en) | Arylimide-epoxy resin composites | |
KR880009068A (ko) | 이미드 및 에폭시기를 기본으로 한 열경화성 조성물 | |
EP0033394B1 (en) | Molding composition consisting of poly(arylether) resins and polyetherimide resins | |
GB1140961A (en) | Polymeric mixtures | |
JPH0693103A (ja) | エポキシ樹脂用強化剤としての高モジュラス・シリコーン | |
KR870006114A (ko) | 이미드를 함유하는 안정한 조성물 | |
US4582886A (en) | Heat curable epoxy resin compositions and epoxy resin curing agents | |
Rao | Polyether sulfones | |
US5262507A (en) | High modulus silicones as toughening agents for epoxy resins | |
EP0170065B1 (en) | Molded electrical device, molded circuit board substrate and molded chip carrier | |
US3742089A (en) | Curable compositions of maleimide substituted aromatic material | |
KR920019865A (ko) | 전기 적층판용 에폭시 수지 조성물 | |
US4980427A (en) | Toughened bismaleimide resin systems | |
KR0139001B1 (ko) | 방향족 디아민 경화제를 포함하는 에폭시 수지 조성물 | |
KR900006401A (ko) | 장애된 디아민으로부터 제조된 이미드기 함유 중합체 | |
JPH05339341A (ja) | エポキシ樹脂組成物 | |
Ashok Kumar et al. | Preparation and characterization of siliconized epoxy/bismaleimide (N, N′‐bismaleimido‐4, 4′‐diphenyl methane) intercrosslinked matrices for engineering applications | |
EP0262513A1 (en) | Polyimides and method for making | |
KR900006438A (ko) | 에폭시 수지 조성물 | |
KR890000558A (ko) | 이미드기를 함유한 디아민-프리(Free) 중합체 | |
KR880005198A (ko) | 에폭시 수지 및 에폭시 또는 펜옥시 수지의 혼합물 및 그의 경화 생성물 | |
RU2221816C2 (ru) | Эпоксидный олигомер для связующей композиции, способ его получения и способ получения связующей композиции на его основе | |
KR880005195A (ko) | 폴리에테르이미드/에폭시이미드 수지 조성물 및 그의 제조방법 | |
Arnold | Structure-property behavior of polyimide homopolymers, copolymers, and blends | |
Jagadeesh et al. | New tetrafunctional epoxy resin system with increased shelf life |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20021220 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |