NL154241B - Werkwijze voor het stabiliseren van een synthetisch polymeer, alsmede gevormd voortbrengsel vervaardigd van een aldus gestabiliseerd synthetisch polymeer. - Google Patents
Werkwijze voor het stabiliseren van een synthetisch polymeer, alsmede gevormd voortbrengsel vervaardigd van een aldus gestabiliseerd synthetisch polymeer.Info
- Publication number
- NL154241B NL154241B NL727201259A NL7201259A NL154241B NL 154241 B NL154241 B NL 154241B NL 727201259 A NL727201259 A NL 727201259A NL 7201259 A NL7201259 A NL 7201259A NL 154241 B NL154241 B NL 154241B
- Authority
- NL
- Netherlands
- Prior art keywords
- synthetic polymer
- stabilizing
- stabilized
- well
- molded product
- Prior art date
Links
- 229920001059 synthetic polymer Polymers 0.000 title 2
- 230000000087 stabilizing effect Effects 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
- C07D211/46—Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/92—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with a hetero atom directly attached to the ring nitrogen atom
- C07D211/94—Oxygen atom, e.g. piperidine N-oxide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/20—Spiro-condensed ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/10—Spiro-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/04—Esters of boric acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/04—Esters of silicic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/59—Hydrogenated pyridine rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Hydrogenated Pyridines (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP316571A JPS5632308B1 (fr) | 1971-01-29 | 1971-01-29 | |
CA133,553A CA985831A (en) | 1971-01-29 | 1972-01-31 | Process for preparing acid esters of 4-piperidinol derivatives and their use as stabilizers |
AT725673A AT320992B (de) | 1971-01-29 | 1972-01-31 | Stabilisierte Zusammensetzung |
CA237,404A CA997353A (en) | 1971-01-29 | 1975-10-10 | Process for preparing acid esters of 4-piperidinol derivatives and their use as stabilizers |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7201259A NL7201259A (fr) | 1972-08-01 |
NL154241B true NL154241B (nl) | 1977-08-15 |
Family
ID=45065548
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL154241D NL154241C (fr) | 1971-01-29 | ||
NL727201259A NL154241B (nl) | 1971-01-29 | 1972-01-31 | Werkwijze voor het stabiliseren van een synthetisch polymeer, alsmede gevormd voortbrengsel vervaardigd van een aldus gestabiliseerd synthetisch polymeer. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL154241D NL154241C (fr) | 1971-01-29 |
Country Status (15)
Country | Link |
---|---|
US (1) | US3840494A (fr) |
AT (2) | AT320992B (fr) |
AU (1) | AU470423B2 (fr) |
BE (1) | BE778676A (fr) |
BR (1) | BR7200471D0 (fr) |
CA (2) | CA985831A (fr) |
CH (1) | CH562792A5 (fr) |
DD (1) | DD99994A5 (fr) |
ES (1) | ES399325A1 (fr) |
FR (1) | FR2123501B1 (fr) |
GB (2) | GB1390252A (fr) |
IT (1) | IT954877B (fr) |
NL (2) | NL154241B (fr) |
SU (2) | SU470112A3 (fr) |
ZA (1) | ZA72574B (fr) |
Families Citing this family (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE792043A (fr) * | 1971-11-30 | 1973-05-29 | Ciba Geigy | Derives de la piperidine utilisables pour stabiliser des matieres organiques |
US4021432A (en) * | 1971-11-30 | 1977-05-03 | Ciba-Geigy Corporation | Piperidine derivatives |
US4110305A (en) * | 1971-11-30 | 1978-08-29 | Ciba-Geigy Corporation | Polymers stabilized by esters of piperidinols |
US4049647A (en) * | 1971-11-30 | 1977-09-20 | Ciba-Geigy Corporation | Bis piperidyl carboxylates |
JPS554133B2 (fr) * | 1972-07-27 | 1980-01-29 | ||
JPS5147738B2 (fr) * | 1973-11-27 | 1976-12-16 | ||
CH589056A5 (fr) * | 1973-12-10 | 1977-06-30 | Ciba Geigy Ag | |
US3920661A (en) * | 1973-12-28 | 1975-11-18 | Ciba Geigy Corp | Hindered piperidine carboxylic acids, metal salts thereof and stabilized compositions |
US4056507A (en) * | 1973-12-28 | 1977-11-01 | Ciba-Geigy Corporation | Hindered piperidine carboxylic acids, metal salts thereof and stabilized compositions |
US3939163A (en) * | 1973-12-28 | 1976-02-17 | Ciba-Geigy Corporation | Metal salts of hindered piperidine carboxylic acids and stabilized compositions |
NO146433C (no) * | 1975-03-21 | 1982-09-29 | Montefibre Spa | Stabilisert polyolefinmateriale inneholdende et polyamin som stabilisator |
US4177186A (en) * | 1975-05-28 | 1979-12-04 | Ciba-Geigy Corporation | Stabilization of light-sensitive polymers |
US4141883A (en) * | 1975-05-28 | 1979-02-27 | Sankyo Company, Limited | Stabilization of synthetic polymers by penta-or-hexa-substituted 4-piperidinol derivatives |
GB1496844A (en) * | 1975-05-28 | 1978-01-05 | Ciba Geigy Ag | Stabilization of polymers |
US4210578A (en) * | 1975-05-28 | 1980-07-01 | Ciba-Geigy Corporation | 4-Siloxy derivatives of polyalkylated piperidines |
JPS5848580B2 (ja) * | 1975-05-28 | 1983-10-29 | 三共株式会社 | ゴウセイコウブンシザイリヨウヨウアンテイザイ |
US4191829A (en) * | 1975-06-30 | 1980-03-04 | Ciba-Geigy Corporation | Hindered piperidine carboxylic acids and metal salts thereof |
US4052351A (en) * | 1975-08-04 | 1977-10-04 | Phillips Petroleum Company | Stabilization of olefin polymers |
US4035323A (en) * | 1975-08-06 | 1977-07-12 | Phillips Petroleum Company | Stabilization of olefin polymers |
DE2545646A1 (de) * | 1975-10-11 | 1977-04-21 | Bayer Ag | Cyanamide |
JPS5263183A (en) * | 1975-11-19 | 1977-05-25 | Adeka Argus Chem Co Ltd | Stabilizer for organic materials |
JPS5266551A (en) * | 1975-12-01 | 1977-06-02 | Adeka Argus Chem Co Ltd | Stabilizer for plastics |
JPS52100543A (en) * | 1976-02-18 | 1977-08-23 | Adeka Argus Chem Co Ltd | Stabilized synthetic resin compositions |
US4069196A (en) * | 1976-04-13 | 1978-01-17 | Ciba-Geigy Corporation | Piperidyl esters of higher di-tri-, and polybasic aliphatic carboxylic acids as stabilizers for polymeric materials |
CH626109A5 (fr) * | 1976-05-11 | 1981-10-30 | Ciba Geigy Ag | |
CH623066A5 (fr) * | 1976-05-11 | 1981-05-15 | Ciba Geigy Ag | |
JPS52140555A (en) * | 1976-05-19 | 1977-11-24 | Adeka Argus Chem Co Ltd | Stabilized synthetic resin composition |
JPS537748A (en) * | 1976-07-12 | 1978-01-24 | Toray Ind Inc | Synthetic resin composition having improved light resistance and gas-stain resistance |
US4101508A (en) * | 1976-10-26 | 1978-07-18 | Argus Chemical Corporation | 2,2,6,6-Tetramethyl-4-piperidyl bicyclic heptane and octane carboxylic acid esters as stabilizers for synthetic polymers |
JPS5373241A (en) * | 1976-12-10 | 1978-06-29 | Adeka Argus Chem Co Ltd | Stabilized synthetic resin compositions |
JPS5379935A (en) * | 1976-12-24 | 1978-07-14 | Adeka Argus Chem Co Ltd | Stabilized synthetic resin composition |
BE854444A (fr) * | 1977-05-10 | 1977-11-10 | Argus Chem | Stabilisants de resines synthetiques contenant des derives de piperidine |
US4111901A (en) * | 1977-06-06 | 1978-09-05 | Borg-Warner Corporation | Hindered five-membered nitrogen rings as polyolefin stabilizers |
JPS5429400A (en) * | 1977-08-08 | 1979-03-05 | Sankyo Co Ltd | Polymer comprising polyalkylpiperidine and its use as stabilizers |
JPS5466996A (en) * | 1977-11-08 | 1979-05-29 | Sankyo Co Ltd | Polymer substituted by polyalkylpiperidine side chain, its preparation and its use as stabilizer |
US4164480A (en) * | 1978-01-09 | 1979-08-14 | Eastman Kodak Company | Polychromophoric ultraviolet stabilizers and their use in organic compositions |
US4166803A (en) * | 1978-01-09 | 1979-09-04 | Eastman Kodak Company | Heterocyclic benzoate ultraviolet stabilizers and their use in organic compositions |
US4141884A (en) * | 1978-01-09 | 1979-02-27 | Eastman Kodak Company | Heterocyclic ester ultraviolet stabilizers and their use in organic compositions |
US4194989A (en) * | 1978-11-27 | 1980-03-25 | Eastman Kodak Company | Piperidinyl hydrogen 2-hydroxyalkyl phosphates and metal salts thereof which compounds are useful as ultraviolet stabilizers for organic compositions |
US4250268A (en) * | 1978-11-28 | 1981-02-10 | Ciba-Geigy Corporation | Polysilylesters having a polyalkylpiperidine as part of the polymer useful as light stabilizers for plastics |
US4234699A (en) * | 1978-11-29 | 1980-11-18 | Ciba-Geigy Corporation | Polymeric light stabilizers for plastics |
US4234700A (en) * | 1978-12-04 | 1980-11-18 | Ciba-Geigy Corporation | Polymeric light stabilizers for plastics |
CS229069B1 (en) * | 1981-09-23 | 1984-05-14 | Julius Durmis | Composition for stabilizing polymers and method of preparing same |
EP0078603A1 (fr) * | 1981-10-12 | 1983-05-11 | Imperial Chemical Industries Plc | Compositions polyoléfiniques et articles stérilisés par irradiation aux rayons gamma |
IT1176167B (it) * | 1984-05-22 | 1987-08-18 | Montedison Spa | Derivati della quattro idrossi metil piperidina alchil sostituita e loro impiego come stabilizzanti |
JPS6136339A (ja) * | 1984-07-27 | 1986-02-21 | Polyplastics Co | 耐候性ポリアセタ−ル樹脂組成物 |
JPS6147744A (ja) * | 1984-08-15 | 1986-03-08 | Polyplastics Co | 耐候性ポリアセタ−ル樹脂組成物 |
JPH0621211B2 (ja) * | 1985-08-13 | 1994-03-23 | 旭電化工業株式会社 | 塩化ビニル樹脂組成物 |
US4762872A (en) * | 1985-11-01 | 1988-08-09 | The B. F. Goodrich Company | Oligomeric light stabilizers with substituted piperidine ends |
US4822833A (en) * | 1986-03-10 | 1989-04-18 | Ciba-Geigy Corporation | Stabilized rigid polyvinyl chloride compositions |
DE3750994D1 (de) * | 1986-03-10 | 1995-03-02 | Ciba Geigy Ag | Stabilisierte Hart-PVC-Zusammensetzungen. |
EP0243319A3 (fr) * | 1986-04-25 | 1989-02-15 | Ciba-Geigy Ag | Matières thermoplastiques stabilisées contre l'influence de la lumière |
US4874391A (en) * | 1986-07-29 | 1989-10-17 | Ciba-Geigy Corporation | Process for photochemical stabilization of polyamide fiber material and mixtures thereof with other fibers: water-soluble copper complex dye and light-stabilizer |
DE3738736A1 (de) * | 1987-11-14 | 1989-05-24 | Basf Ag | 4-formylaminopiperidinderivate und deren verwendung als stabilisatoren |
ES2050274T3 (es) * | 1988-06-14 | 1994-05-16 | Ciba Geigy Ag | Procedimiento para la estabilizacion fotoquimica de fibras de polipropileno sin teñir y teñidas. |
EP0401366A4 (en) * | 1988-12-22 | 1991-06-05 | Great Lakes Chemical Corporation | Thermally stable and light stable flame retardant thermoplastic polyolefin and polystyren compositions |
US5030243A (en) * | 1989-01-05 | 1991-07-09 | Ciba-Geigy Corporation | Process for the photochemical stabilization of undyed and dyeable artificial leather with a sterically hindered amine |
DE69012616T2 (de) * | 1989-03-21 | 1995-01-26 | Ciba Geigy Ag | Stabilisatoren mit N-hydroxy-substituierter, gehinderter Aminogruppe und ihre Herstellung durch Michael-Addition. |
IT1247977B (it) * | 1991-06-04 | 1995-01-05 | Ciba Geigy Spa | Stabilizzazione di materiali organici polimerici mediante l`impiego dimiscele sinergiche costituite da ammine cicliche stericamente impeditee derivati del 3-pirazolidinone o del 1,2,4,-triazolidin-3,5,-dione |
IT1247978B (it) * | 1991-06-04 | 1995-01-05 | Ciba Geigy Spa | Composti piperidinici contenenti l'anello tetraidrofuranico atti all'impiego come stabilizzanti per materiali organici |
US5169949A (en) * | 1991-09-30 | 1992-12-08 | Himont Incorporated | Monomeric hindered amine esters of monocarboxylic resin acid having 20 carbon atoms |
US5444111A (en) * | 1993-01-15 | 1995-08-22 | Morton International, Inc. | Ammonium chloride as a PVC co-stabilizer |
IT1264946B1 (it) * | 1993-07-16 | 1996-10-17 | Ciba Geigy Spa | Derivati del 2,2,6,6-tetrametil-4-piperidinolo utili come stabilizzanti alla luce ed all'ossidazione per materiali organici. |
IT1264817B1 (it) * | 1993-07-28 | 1996-10-10 | Ciba Geigy Spa | Derivati di polialchil-4-piperidinoli atti all'impderivati di polialchil-4-piperidinoli atti all'impiego come stabilizzanti per materiali organici iego come stabilizzanti per materiali organici |
DE69408935T2 (de) * | 1993-10-29 | 1998-07-30 | Montell North America Inc | Piperidinylphosphitzusammensetzungen und Polyolefinzusammensetzungen die diese enthalten |
TW358110B (en) * | 1996-05-28 | 1999-05-11 | Ciba Sc Holding Ag | Mixture of polyalkylpiperidin-4-yl dicarboxylic acid esters as stabilizers for organic materials |
US6414155B1 (en) | 2000-11-03 | 2002-07-02 | Cytec Technology Corp. | Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same |
US6492521B2 (en) | 2000-11-03 | 2002-12-10 | Cytec Technology Corp. | Hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same |
US6727300B2 (en) | 2000-11-03 | 2004-04-27 | Cytec Technology Corp. | Polymeric articles containing hindered amine light stabilizers based on multi-functional carbonyl compounds |
US6545156B1 (en) | 2000-11-03 | 2003-04-08 | Cytec Technology Corp. | Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same |
US6525131B1 (en) | 2001-09-18 | 2003-02-25 | Crompton Corporation | Aromatic diamine polyurethane curatives with improved stability |
US20100305327A1 (en) * | 2005-12-27 | 2010-12-02 | Adeka Corporation | Nitroxyl compound, and polymerization inhibitor and polymerization inhibitor composition using same |
ITMI20080747A1 (it) | 2008-04-24 | 2009-10-25 | 3V Sigma Spa | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
FR2943676B1 (fr) * | 2009-03-26 | 2017-03-24 | Univ De Provence | Composes biradicalaires de type dinitroxyde optimises pour la polarisation dynamique nucleaire (pdn) |
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 |
JP6375887B2 (ja) | 2014-05-26 | 2018-08-22 | Jnc株式会社 | 液晶組成物および液晶表示素子 |
JP6435874B2 (ja) | 2014-07-29 | 2018-12-12 | Jnc株式会社 | 液晶組成物および液晶表示素子 |
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 |
CN115322223A (zh) * | 2022-07-29 | 2022-11-11 | 宿迁盛瑞新材料有限公司 | 一种新型磷酸酯类阻燃防老化助剂及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3640928A (en) * | 1968-06-12 | 1972-02-08 | Sankyo Co | Stabilization of synthetic polymers |
-
0
- NL NL154241D patent/NL154241C/xx active
-
1972
- 1972-01-25 US US00220706A patent/US3840494A/en not_active Expired - Lifetime
- 1972-01-28 ZA ZA720574A patent/ZA72574B/xx unknown
- 1972-01-28 FR FR7202835A patent/FR2123501B1/fr not_active Expired
- 1972-01-28 CH CH126972A patent/CH562792A5/xx not_active IP Right Cessation
- 1972-01-28 SU SU1809480A patent/SU470112A3/ru active
- 1972-01-28 SU SU1744183A patent/SU554817A3/ru active
- 1972-01-28 BR BR471/72A patent/BR7200471D0/pt unknown
- 1972-01-28 BE BE778676A patent/BE778676A/fr not_active IP Right Cessation
- 1972-01-29 IT IT19974/72A patent/IT954877B/it active
- 1972-01-29 ES ES399325A patent/ES399325A1/es not_active Expired
- 1972-01-31 NL NL727201259A patent/NL154241B/xx not_active IP Right Cessation
- 1972-01-31 AT AT725673A patent/AT320992B/de not_active IP Right Cessation
- 1972-01-31 CA CA133,553A patent/CA985831A/en not_active Expired
- 1972-01-31 AT AT75972A patent/AT317213B/de not_active IP Right Cessation
- 1972-01-31 GB GB2722174A patent/GB1390252A/en not_active Expired
- 1972-01-31 GB GB433372A patent/GB1390251A/en not_active Expired
- 1972-01-31 DD DD164431A patent/DD99994A5/xx unknown
- 1972-02-01 AU AU38481/72A patent/AU470423B2/en not_active Expired
-
1975
- 1975-10-10 CA CA237,404A patent/CA997353A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL154241C (fr) | 1900-01-01 |
GB1390251A (en) | 1975-04-09 |
NL7201259A (fr) | 1972-08-01 |
GB1390252A (en) | 1975-04-09 |
CH562792A5 (fr) | 1975-06-13 |
DE2204659B2 (de) | 1975-09-04 |
ZA72574B (en) | 1972-10-25 |
BR7200471D0 (pt) | 1973-05-24 |
FR2123501B1 (fr) | 1976-03-05 |
US3840494A (en) | 1974-10-08 |
AT317213B (de) | 1974-08-26 |
CA997353A (en) | 1976-09-21 |
AT320992B (de) | 1975-03-10 |
ES399325A1 (es) | 1975-06-01 |
BE778676A (fr) | 1972-07-28 |
SU470112A3 (ru) | 1975-05-05 |
SU554817A3 (ru) | 1977-04-15 |
AU470423B2 (en) | 1973-08-02 |
DE2204659A1 (de) | 1972-08-10 |
CA985831A (en) | 1976-03-16 |
AU3848172A (en) | 1973-08-02 |
FR2123501A1 (fr) | 1972-09-08 |
DD99994A5 (fr) | 1973-09-05 |
IT954877B (it) | 1973-09-15 |
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Owner name: SANKYO |
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V4 | Discontinued because of reaching the maximum lifetime of a patent |