BE854489A - Polymeres a radicaux alkyl-piperidiniques utilisables comme stabilisants de matieres plastiques - Google Patents
Polymeres a radicaux alkyl-piperidiniques utilisables comme stabilisants de matieres plastiquesInfo
- Publication number
- BE854489A BE854489A BE177460A BE177460A BE854489A BE 854489 A BE854489 A BE 854489A BE 177460 A BE177460 A BE 177460A BE 177460 A BE177460 A BE 177460A BE 854489 A BE854489 A BE 854489A
- Authority
- BE
- Belgium
- Prior art keywords
- piperidinic
- useable
- stabilizers
- radicals
- plastics
- Prior art date
Links
- 239000004033 plastic Substances 0.000 title 1
- 229920003023 plastic Polymers 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 239000003381 stabilizer Substances 0.000 title 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
- C08G85/00—General processes for preparing compounds provided for in this subclass
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3246—Polyamines heterocyclic, the heteroatom being oxygen or nitrogen in the form of an amino group
-
- 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
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/685—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- 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
- C08G71/00—Macromolecular compounds obtained by reactions forming a ureide or urethane link, otherwise, than from isocyanate radicals in the main chain of the macromolecule
- C08G71/02—Polyureas
-
- 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
- C08G73/0622—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0627—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/54—Nitrogen-containing linkages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyamides (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyesters Or Polycarbonates (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyethers (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH589076A CH626109A5 (ja) | 1976-05-11 | 1976-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE854489A true BE854489A (fr) | 1977-11-14 |
Family
ID=4301047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE177460A BE854489A (fr) | 1976-05-11 | 1977-05-11 | Polymeres a radicaux alkyl-piperidiniques utilisables comme stabilisants de matieres plastiques |
Country Status (14)
Country | Link |
---|---|
US (6) | US4233412A (ja) |
JP (2) | JPS52141883A (ja) |
AU (1) | AU515669B2 (ja) |
BE (1) | BE854489A (ja) |
CA (1) | CA1126446A (ja) |
CH (1) | CH626109A5 (ja) |
DE (2) | DE2760429C2 (ja) |
FR (1) | FR2351144A1 (ja) |
GB (1) | GB1568839A (ja) |
HK (1) | HK42283A (ja) |
MY (1) | MY8400250A (ja) |
NL (1) | NL190873C (ja) |
SG (1) | SG28983G (ja) |
SU (1) | SU1131472A3 (ja) |
Families Citing this family (111)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4243792A (en) * | 1977-05-11 | 1981-01-06 | General Motors Corporation | Moisture curing polyurethane topcoat paint with improved gloss stability |
JPS5429400A (en) * | 1977-08-08 | 1979-03-05 | Sankyo Co Ltd | Polymer comprising polyalkylpiperidine and its use as stabilizers |
US4256627A (en) * | 1977-11-08 | 1981-03-17 | Ciba-Geigy Corporation | Novel light stabilizers for plastics |
US4279720A (en) * | 1978-07-13 | 1981-07-21 | Ciba-Geigy Corporation | Photocurable composition |
DE2962442D1 (de) * | 1978-07-13 | 1982-05-19 | Ciba Geigy Ag | Compositions photodurcissables |
ATE4992T1 (de) * | 1978-07-25 | 1983-10-15 | Imperial Chemical Industries Plc | Durch gamma-strahlen sterilisierbare polyolefin- artikel. |
DE2839711A1 (de) * | 1978-09-13 | 1980-03-27 | Hoechst Ag | Neue polyalkylpiperidinpolymerisate, ihre herstellung und verwendung |
US4311820A (en) | 1979-02-14 | 1982-01-19 | Ciba-Geigy Corporation | Homopolymers and copolymers of vinyl ethers of polyalkylpiperidinols and their use as stabilizers for plastics |
EP0022079B1 (de) * | 1979-06-21 | 1984-01-18 | Ciba-Geigy Ag | Polyalkylpiperidyl-harnstoffe, ihre Verwendung als Stabilisatoren und die damit stabilisierten Polymeren |
IT1193839B (it) * | 1979-11-06 | 1988-08-24 | Montedison Spa | Poliesteri di n,n-di-alcanol-ammine con acidi di-(idrossi-alchilbenzil) malonici e loro impiego come stabilizzanti per polimeri |
US4348524A (en) * | 1980-03-28 | 1982-09-07 | Ciba-Geigy Corporation | Amide derivatives of polyalkylpiperidines |
US4265805A (en) * | 1980-04-01 | 1981-05-05 | American Cyanamid Company | Polymeric light stabilizers containing tetralkyl piperidine moieties |
DE3022896A1 (de) * | 1980-06-19 | 1981-12-24 | Hoechst Ag, 6000 Frankfurt | Polytriazinylamine, verfahren zu ihrer herstellung und ihre verwendung als stabilisatoren fuer synthetische polymere |
IT1151035B (it) * | 1980-07-31 | 1986-12-17 | Chimosa Chimica Organica Spa | Piperidil-derivati di copolimeri triazinici,processi per la loro preparazione e composizioni stabilizzate che li comprendono |
AU7424681A (en) * | 1980-09-10 | 1982-03-18 | B.F. Goodrich Company, The | Piperidine derivatives as u.v. stabilisers |
DE3111209A1 (de) * | 1981-03-21 | 1982-09-30 | Hoechst Ag, 6000 Frankfurt | Hochmolekulare piperidingruppenhaltige ester und urethane, verfahren zu ihrer herstellung, ihre verwendung als stabilisatoren fuer polymere sowie diese verbindungen enthaltende polymere |
JPS57177053A (en) * | 1981-04-23 | 1982-10-30 | Adeka Argus Chem Co Ltd | Synthetic resin composition |
DE3118962A1 (de) * | 1981-05-13 | 1982-12-09 | Hoechst Ag, 6000 Frankfurt | Durch piperidylgruppen substituierte phophazene, verfahren zu ihrer herstellung, ihre verwendung als stabilisatoren und die mit ihnen stabilisierten polymermassen |
US4331586A (en) * | 1981-07-20 | 1982-05-25 | American Cyanamid Company | Novel light stabilizers for polymers |
US4444928A (en) * | 1981-08-14 | 1984-04-24 | Ciba-Geigy Corporation | Polymeric malonic acid derivatives |
US4370430A (en) * | 1981-08-31 | 1983-01-25 | American Cyanamid Company | Hindered amine light stabilizers for polymers |
JPS5849737A (ja) * | 1981-09-19 | 1983-03-24 | Mitsubishi Petrochem Co Ltd | 耐γ線照射性を付与したポリオレフイン組成物 |
EP0080431B1 (de) * | 1981-10-16 | 1986-09-24 | Ciba-Geigy Ag | Synergistisches Gemisch von niedermolekularen und hochmolekularen Polyalkylpiperidinen |
US4480092A (en) * | 1982-02-19 | 1984-10-30 | The B. F. Goodrich Company | Alkylated polyalkylenepolyamines, substituted oxo-piperazinyl-triazines |
US4507415A (en) * | 1982-03-27 | 1985-03-26 | Terumo Kabushiki Kaisha | Medical articles |
JPS58179240A (ja) * | 1982-04-15 | 1983-10-20 | Mitsubishi Petrochem Co Ltd | 成形体の表面処理方法 |
US4520171A (en) * | 1982-05-05 | 1985-05-28 | Hercules Incorporated | Polymeric hindered amines |
JPS5981348A (ja) * | 1982-11-01 | 1984-05-11 | Adeka Argus Chem Co Ltd | 安定化高分子材料組成物 |
US4439565A (en) * | 1982-11-10 | 1984-03-27 | Ciba-Geigy Corporation | Oligomeric esteramides containing pendant hindered amine groups |
US4556714A (en) * | 1983-01-24 | 1985-12-03 | Ciba-Geigy Corporation | N-(Polyalkylpiperidinyl)-carbamates of polyols |
DE3468866D1 (en) * | 1983-03-21 | 1988-02-25 | Ciba Geigy Ag | Oligo esters containing polyalkyl piperidine groups |
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US4507463A (en) * | 1983-05-11 | 1985-03-26 | Ciba-Geigy Corporation | Process for producing polyesters from aliphatic dicarboxylic acids and polyalkylpiperidyldiols |
US4535145A (en) * | 1983-07-08 | 1985-08-13 | Ciba-Geigy Corporation | Process for the preparation of polyesters from aliphatic dicarboxylic acids and polyalkylpiperidyl diols |
IT1163815B (it) * | 1983-07-19 | 1987-04-08 | Chimosa Chimica Organica Spa | Composti polimerici contenenti radicali piperidinici processo per la loro preparazione e loro impiego quali stabilizzanti per polimeri sintetici |
US4504612A (en) * | 1983-09-26 | 1985-03-12 | E. I. Du Pont De Nemours And Company | Polyester antifume additive for spandex fiber |
US4696959A (en) * | 1983-09-26 | 1987-09-29 | Ppg Industries, Inc. | Modified piperidines as ultraviolet light stabilizers |
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US4882412A (en) * | 1987-11-30 | 1989-11-21 | Eastman Kodak Company | Polyester polymer containing the residue of the UV absorbing benzopyran compound and shaped articles produced therefrom |
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JP5498638B2 (ja) * | 2000-05-31 | 2014-05-21 | チバ ホールディング インコーポレーテッド | 安定剤混合物 |
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KR20070121747A (ko) * | 2005-04-18 | 2007-12-27 | 코니카 미놀타 옵토 인코포레이티드 | 셀룰로오스에스테르 필름 및 그의 제조 방법, 광학 필름,편광판 및 액정 표시 장치 |
ITMI20052067A1 (it) * | 2005-10-28 | 2007-04-29 | 3V Sigma Spa | Composizione per la stabilizzazione di polimeri sintetici |
CN101374902B (zh) * | 2005-12-14 | 2011-05-04 | 住友化学株式会社 | 聚烯烃树脂组合物、由其形成的成形品以及聚烯烃树脂组合物的制造方法 |
EP2207848B1 (en) * | 2007-11-06 | 2011-10-19 | DSM IP Assets B.V. | Process for producing high molecular weight polyethylene |
ITMI20080739A1 (it) * | 2008-04-23 | 2009-10-24 | 3V Sigma Spa | Ammine stericamente impedite oligomeriche e loro uso come stabilizzanti per polimeri |
ITMI20080747A1 (it) | 2008-04-24 | 2009-10-25 | 3V Sigma Spa | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
EP2467878A1 (en) | 2009-08-18 | 2012-06-27 | Basf Se | An uv-stabilized photovoltaic module |
IT1399477B1 (it) | 2010-03-15 | 2013-04-19 | 3V Sigma Spa | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
ITMI20110802A1 (it) | 2011-05-10 | 2012-11-11 | 3V Sigma Spa | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
KR101742845B1 (ko) * | 2013-09-30 | 2017-06-01 | 주식회사 엘지화학 | 자외선 차단 기능이 우수한 광학 필름 및 이를 포함하는 편광판 |
SA116370295B1 (ar) | 2015-02-20 | 2016-12-06 | باسف اس اى | رقائق، وأشرطة وفتائل أحادية من البولي أوليفين مثبتة للضوء |
IT201700073726A1 (it) | 2017-06-30 | 2018-12-30 | 3V Sigma Spa | Ammine impedite polimeriche |
IT201700078234A1 (it) | 2017-07-11 | 2019-01-11 | 3V Sigma Spa | Ammine impedite |
CN112608516B (zh) * | 2020-12-15 | 2022-04-08 | 沈阳化工研究院有限公司 | 一种多功能光稳定组合物及其制备方法 |
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US3383365A (en) * | 1964-09-09 | 1968-05-14 | Monsanto Co | Polyurethane elastomers derived from dipiperidyl chain extenders |
US3640928A (en) * | 1968-06-12 | 1972-02-08 | Sankyo Co | Stabilization of synthetic polymers |
US3705126A (en) * | 1969-06-20 | 1972-12-05 | Sankyo Co | Stabilization of synthetic polymers |
BE755461A (fr) * | 1969-08-29 | 1971-03-01 | Bayer Ag | Polyesters contenant des atomes d'azote tertiaires |
US3684765A (en) * | 1970-01-08 | 1972-08-15 | Sankyo Co | Stabilization of synthetic polymers |
NL154241C (ja) * | 1971-01-29 | 1900-01-01 | ||
US3941744A (en) * | 1971-06-05 | 1976-03-02 | Sankyo Company Limited | Piperidine derivatives and their use as stabilizers |
BE785742A (fr) | 1971-07-02 | 1973-01-02 | Sankyo Co | Piperidine-spiro-hydantoines et leur utilisation comme stabilisants |
US3859293A (en) * | 1971-11-13 | 1975-01-07 | Sankyo Co | N-substituted spiro piperidine derivatives |
US4021432A (en) * | 1971-11-30 | 1977-05-03 | Ciba-Geigy Corporation | Piperidine derivatives |
US3790525A (en) * | 1972-01-21 | 1974-02-05 | Sankyo Co | 4-piperidone ketal derivatives,their preparation and their use as stabilizers |
JPS554133B2 (ja) * | 1972-07-27 | 1980-01-29 | ||
GB1398412A (en) * | 1972-07-28 | 1975-06-18 | Ciba Geigy Ag | Piperidine derivatives |
GB1398414A (en) * | 1972-07-28 | 1975-06-18 | Ciba Geigy Ag | Piperidine derivatives |
GB1398413A (en) * | 1972-07-28 | 1975-06-18 | Ciba Geigy Ag | Piperidine derivatives |
IL43259A (en) * | 1972-09-20 | 1976-09-30 | Du Pont | Synthetic textile fibers and process for dyeing them |
JPS557861B2 (ja) * | 1972-10-04 | 1980-02-28 | ||
US3974127A (en) * | 1973-09-17 | 1976-08-10 | E. I. Du Pont De Nemours And Company | Alkylene oxide condensates of tetramethylpiperidine alcohols or glycols |
US4001190A (en) | 1973-09-17 | 1977-01-04 | E. I. Du Pont De Nemours And Company | Acid-dyeable fibers of polyester modified with tetramethylpiperidine polyether glycols |
US3901853A (en) * | 1973-09-17 | 1975-08-26 | Du Pont | Acid-dyeable fibers of polyester modified with a tetramethylpiperidine compound having two ester-forming groups |
NL179392C (nl) * | 1975-03-21 | 1986-09-01 | Montefibre Spa | Werkwijze voor het bereiden van gestabiliseerde polymere samenstellingen alsmede op een werkwijze voor het bereiden van als stabilisator geschikte polyaminen, en gevormde voortbrengselen daaruit vervaardigd. |
IT1061551B (it) * | 1975-11-18 | 1983-04-30 | Chimosa Chimica Organica Spa | Compositi poliureici utilizzabili per la stabilizzazione di polimeri sintetici e procedimento per la loro preparazione |
CH623066A5 (ja) * | 1976-05-11 | 1981-05-15 | Ciba Geigy Ag | |
DE2642386A1 (de) * | 1976-09-21 | 1978-03-23 | Bayer Ag | Permanent stabilisierte polyurethane |
DE2642461A1 (de) * | 1976-09-21 | 1978-03-30 | Bayer Ag | Permanent stabilisierte polymere |
-
1976
- 1976-05-11 CH CH589076A patent/CH626109A5/de not_active IP Right Cessation
-
1977
- 1977-04-29 DE DE2760429A patent/DE2760429C2/de not_active Expired - Lifetime
- 1977-04-29 DE DE19772719131 patent/DE2719131A1/de active Granted
- 1977-05-09 CA CA277,921A patent/CA1126446A/en not_active Expired
- 1977-05-09 NL NL7705092A patent/NL190873C/xx not_active IP Right Cessation
- 1977-05-10 AU AU25028/77A patent/AU515669B2/en not_active Expired
- 1977-05-10 SU SU772480054A patent/SU1131472A3/ru active
- 1977-05-10 GB GB19497/77A patent/GB1568839A/en not_active Expired
- 1977-05-11 JP JP5417677A patent/JPS52141883A/ja active Granted
- 1977-05-11 FR FR7714385A patent/FR2351144A1/fr active Granted
- 1977-05-11 BE BE177460A patent/BE854489A/xx not_active IP Right Cessation
-
1978
- 1978-11-07 US US05/958,446 patent/US4233412A/en not_active Expired - Lifetime
- 1978-11-13 US US05/959,783 patent/US4232131A/en not_active Expired - Lifetime
- 1978-11-14 US US05/960,557 patent/US4260691A/en not_active Expired - Lifetime
- 1978-11-16 US US05/962,564 patent/US4233410A/en not_active Expired - Lifetime
- 1978-12-04 US US05/966,041 patent/US4260689A/en not_active Expired - Lifetime
-
1980
- 1980-08-05 US US06/175,689 patent/US4299926A/en not_active Expired - Lifetime
-
1983
- 1983-05-24 SG SG289/83A patent/SG28983G/en unknown
- 1983-10-13 HK HK422/83A patent/HK42283A/xx unknown
-
1984
- 1984-12-30 MY MY250/84A patent/MY8400250A/xx unknown
-
1985
- 1985-09-13 JP JP60203203A patent/JPS61118437A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0223580B2 (ja) | 1990-05-24 |
DE2719131C2 (ja) | 1989-08-24 |
AU515669B2 (en) | 1981-04-16 |
US4233412A (en) | 1980-11-11 |
DE2760429C2 (ja) | 1990-05-17 |
US4299926A (en) | 1981-11-10 |
US4232131A (en) | 1980-11-04 |
SG28983G (en) | 1984-04-19 |
MY8400250A (en) | 1984-12-31 |
JPS6335658B2 (ja) | 1988-07-15 |
DE2719131A1 (de) | 1977-12-01 |
FR2351144A1 (fr) | 1977-12-09 |
NL190873B (nl) | 1994-05-02 |
US4233410A (en) | 1980-11-11 |
GB1568839A (en) | 1980-06-04 |
NL190873C (nl) | 1994-10-03 |
JPS61118437A (ja) | 1986-06-05 |
US4260691A (en) | 1981-04-07 |
JPS52141883A (en) | 1977-11-26 |
NL7705092A (nl) | 1977-11-15 |
CA1126446A (en) | 1982-06-22 |
CH626109A5 (ja) | 1981-10-30 |
US4260689A (en) | 1981-04-07 |
FR2351144B1 (ja) | 1979-07-13 |
HK42283A (en) | 1983-10-21 |
AU2502877A (en) | 1978-11-16 |
SU1131472A3 (ru) | 1984-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: CIBA-GEIGY A.G. Effective date: 19970511 |