NL6908925A - - Google Patents

Info

Publication number
NL6908925A
NL6908925A NL6908925A NL6908925A NL6908925A NL 6908925 A NL6908925 A NL 6908925A NL 6908925 A NL6908925 A NL 6908925A NL 6908925 A NL6908925 A NL 6908925A NL 6908925 A NL6908925 A NL 6908925A
Authority
NL
Netherlands
Application number
NL6908925A
Other versions
NL149522B (nl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6908925A publication Critical patent/NL6908925A/xx
Publication of NL149522B publication Critical patent/NL149522B/xx

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
  • Polyurethanes Or Polyureas (AREA)
NL696908925A 1968-06-12 1969-06-11 Werkwijze voor het stabiliseren van synthetische polymeren door toevoegen van piperidineverbindingen. NL149522B (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4037768 1968-06-12
JP1784169 1969-03-08

Publications (2)

Publication Number Publication Date
NL6908925A true NL6908925A (fr) 1969-12-16
NL149522B NL149522B (nl) 1976-05-17

Family

ID=26354429

Family Applications (1)

Application Number Title Priority Date Filing Date
NL696908925A NL149522B (nl) 1968-06-12 1969-06-11 Werkwijze voor het stabiliseren van synthetische polymeren door toevoegen van piperidineverbindingen.

Country Status (7)

Country Link
US (1) US3640928A (fr)
BE (1) BE734436A (fr)
DE (1) DE1929928C3 (fr)
FR (1) FR2010740A1 (fr)
GB (1) GB1266035A (fr)
MY (1) MY7500131A (fr)
NL (1) NL149522B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7011773A (fr) * 1970-01-08 1971-07-12

Families Citing this family (142)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632308B1 (fr) * 1971-01-29 1981-07-27
NL154241C (fr) * 1971-01-29 1900-01-01
US3839273A (en) * 1971-11-13 1974-10-01 Sankyo Co N-substituted piperidine derivatives, process for preparing the same and their use as stabilizers
US3992390A (en) * 1971-11-30 1976-11-16 Brian Holt Esters of piperidinols
US4046737A (en) * 1971-11-30 1977-09-06 Ciba-Geigy Corporation Piperidine derivatives
US4110305A (en) * 1971-11-30 1978-08-29 Ciba-Geigy Corporation Polymers stabilized by esters of piperidinols
BE792043A (fr) * 1971-11-30 1973-05-29 Ciba Geigy Derives de la piperidine utilisables pour stabiliser des matieres organiques
US4049647A (en) * 1971-11-30 1977-09-20 Ciba-Geigy Corporation Bis piperidyl carboxylates
US4021432A (en) * 1971-11-30 1977-05-03 Ciba-Geigy Corporation Piperidine derivatives
GB1376438A (en) * 1971-11-30 1974-12-04 Ciba Geigy Ag Piperidine derivatives
US3862155A (en) * 1972-01-19 1975-01-21 Sankyo Co 4,4-di-alkoxy-2,2,6,6-tetramethyl piperidines
CA1007642A (en) * 1972-05-01 1977-03-29 John J. Luzzi Acylated derivatives of substituted piperazines and polymeric compositions stabilized thereby
JPS554133B2 (fr) * 1972-07-27 1980-01-29
GB1398413A (en) * 1972-07-28 1975-06-18 Ciba Geigy Ag Piperidine derivatives
JPS4962543A (fr) * 1972-10-20 1974-06-18
GB1399240A (en) * 1972-10-21 1975-06-25 Ciba Geigy Ag Substituted piperidinol derivatives and their use as stabilizers
GB1402888A (en) * 1972-10-21 1975-08-13 Ciba Geigy Ag Piperidine derivatives
JPS4964634A (fr) * 1972-10-25 1974-06-22
IE39205B1 (en) * 1973-04-19 1978-08-30 Ciba Geigy Ag New stabiliser system and its use for stabilising styrene polymers
US4061616A (en) * 1973-06-15 1977-12-06 Sankyo Company Limited Stabilization of synthetic polymers
CH589056A5 (fr) * 1973-12-10 1977-06-30 Ciba Geigy Ag
US3960809A (en) * 1973-12-28 1976-06-01 Ciba-Geigy Corporation Compositions stabilized with hindered piperidine carboxylic acids
US3991012A (en) * 1973-12-28 1976-11-09 Ciba-Geigy Corporation Compositions stabilized with bicyclic hindered amines
US3939163A (en) * 1973-12-28 1976-02-17 Ciba-Geigy Corporation Metal salts of hindered piperidine carboxylic acids and stabilized compositions
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
US4000113A (en) * 1974-01-14 1976-12-28 Ciba-Geigy Corporation Acylated derivatives of 2,6-dihydroxy-9-azabicyclo[3.3.1]nonane and stabilized compositions
JPS5329182B2 (fr) * 1974-02-08 1978-08-18
JPS51119707A (en) * 1975-04-14 1976-10-20 Kao Corp Preparation of pulverized detergent compositions
US4141883A (en) * 1975-05-28 1979-02-27 Sankyo Company, Limited Stabilization of synthetic polymers by penta-or-hexa-substituted 4-piperidinol derivatives
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
US4202816A (en) * 1975-06-19 1980-05-13 Ciba-Geigy Corporation Novel light stabilizers
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
CH601232A5 (fr) * 1975-12-08 1978-06-30 Ciba Geigy Ag
US4046728A (en) * 1975-12-30 1977-09-06 E. I. Du Pont De Nemours And Company Polyvinyl chloride terpolymer powder coating composition
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
US4197236A (en) * 1976-04-28 1980-04-08 Ciba-Geigy Corporation Piperidine stabilizers
DE2718458A1 (de) * 1976-05-04 1977-11-24 Ciba Geigy Ag Neue stabilisatoren
CH623066A5 (fr) * 1976-05-11 1981-05-15 Ciba Geigy Ag
CH626109A5 (fr) * 1976-05-11 1981-10-30 Ciba Geigy Ag
JPS52140555A (en) * 1976-05-19 1977-11-24 Adeka Argus Chem Co Ltd Stabilized synthetic resin composition
USRE31261E (en) * 1976-07-28 1983-05-31 Adeka Argus Chemical Co., Ltd. 2,2,6,6-Tetrasubstituted-4-piperidyl carboxy heterocyclic compounds as stabilizers for synthetic polymers
US4118369A (en) * 1976-07-28 1978-10-03 Argus Chemical Corporation 2,2,6,6-Tetrasubstituted-4-piperidyl carboxy heterocyclic compounds as stabilizers for synthetic polymers
DE2642461A1 (de) * 1976-09-21 1978-03-30 Bayer Ag Permanent stabilisierte polymere
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
DE2805838A1 (de) * 1977-02-24 1978-08-31 Ciba Geigy Ag Neue 4-acyloxypiperidine
BE854444A (fr) * 1977-05-10 1977-11-10 Argus Chem Stabilisants de resines synthetiques contenant des derives de piperidine
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
JPS6017299B2 (ja) * 1977-11-21 1985-05-02 アデカ・ア−ガス化学株式会社 合成樹脂用光安定剤
DE2861955D1 (en) * 1977-12-02 1982-09-02 Ciba Geigy Ag Malonic acid derivatives of sterically hindered piperidines, process for their preparation and stabilised organic matter
US4141884A (en) * 1978-01-09 1979-02-27 Eastman Kodak Company Heterocyclic ester ultraviolet stabilizers and their use in organic compositions
US4182703A (en) * 1978-01-09 1980-01-08 Eastman Kodak Company Biheterocyclic ultraviolet stabilizers and their use in organic compositions
US4185003A (en) * 1978-02-16 1980-01-22 E. I. Du Pont De Nemours And Company Stabilized copolyetheresters
US4164494A (en) * 1978-05-16 1979-08-14 Eastman Kodak Company Piperidinyl phosphate ultraviolet stabilizers for organic compositions
US4136083A (en) * 1978-05-16 1979-01-23 Eastman Kodak Company Piperidinyl hydrogen alkylene or arylene phosphates and metal salts thereof which compounds are useful as ultraviolet stabilizers for organic compositions
EP0006213B1 (fr) * 1978-06-21 1982-09-01 Ciba-Geigy Ag Stabilisation à la lumière d'émaux au four catalysés par des acides
US4279720A (en) * 1978-07-13 1981-07-21 Ciba-Geigy Corporation Photocurable composition
DE2966294D1 (en) * 1978-07-25 1983-11-17 Ici Plc Polyolefin articles sterilisable by gamma-irradiation
DE2840679C2 (de) 1978-09-19 1982-03-18 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Oxymethylencopolymerisat-Formmassen mit geringem Anteil an Restformaldehyd
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
JPS5578033A (en) * 1978-12-08 1980-06-12 Adeka Argus Chem Co Ltd Stabilized synthetic resin composition
IT1110826B (it) * 1979-02-01 1986-01-06 Montedison Spa N-alchil-piperidin derivati dell'acido idrossi-benzil malonico e loro impiego come stabilizzanti per polimeri
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
US4314933A (en) * 1979-02-15 1982-02-09 Ciba-Geigy Corporation Method for light stabilization of two-layer uni-lacquer coatings
US4315848A (en) * 1979-05-10 1982-02-16 Ciba-Geigy Corporation 2-[2-Hydroxy-3,5-di-(α,α-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions
IT7928324A0 (it) * 1979-12-21 1979-12-21 Chimosa Chimica Organica Spa Derivati piperidinici, stabilizzanti per polimeri sintetici.
JPS56501881A (fr) * 1980-01-14 1981-12-24
US4322522A (en) * 1980-07-08 1982-03-30 Akzona Incorporated Polyester/polyether segmented copolymers stabilized against degradation by UV light via copolymerization with analogs of 2,2,6,6-tetramethylpiperidine derivatives
US4382109A (en) * 1981-08-07 1983-05-03 General Electric Company Abrasion resistant silicone coated thermoplastic article and method for making
JPS5832642A (ja) * 1981-08-20 1983-02-25 Adeka Argus Chem Co Ltd 安定化された合成樹脂組成物
CS229069B1 (en) * 1981-09-23 1984-05-14 Julius Durmis Composition for stabilizing polymers and method of preparing same
US4396769A (en) * 1982-02-11 1983-08-02 Ciba-Geigy Corporation Process for preparing crystalline, non-dusting bis(2,2,6,6-tetramethylpiperidin-4-yl) sebacate
JPS5962651A (ja) * 1982-10-02 1984-04-10 Adeka Argus Chem Co Ltd 高分子材料用光安定剤
US4696959A (en) * 1983-09-26 1987-09-29 Ppg Industries, Inc. Modified piperidines as ultraviolet light stabilizers
AU573647B2 (en) * 1984-01-30 1988-06-16 General Electric Company Uv-stabilised polymer compositions
US4691015A (en) * 1984-07-23 1987-09-01 Ciba-Geigy Corporation Hydroxylamines derived from hindered amines
US4668721A (en) * 1984-07-23 1987-05-26 Ciba-Geigy Corporation Polyolefin compositions stabilized against degradation using hydroxylamine derivatives
US5191083A (en) * 1985-05-28 1993-03-02 The Goodyear Tire & Rubber Company Functionalized monomers from 1-(1-isocyanato-1-methlethyl)-3 or 4-(1-methylethenyl) benzene
JPS61274985A (ja) * 1985-05-31 1986-12-05 Fuji Photo Film Co Ltd 減感剤組成物
DE3522678A1 (de) * 1985-06-25 1987-01-08 Basf Ag Tetrahydrofurancarbonsaeurederivate
JPS6250342A (ja) * 1985-08-30 1987-03-05 Adeka Argus Chem Co Ltd 安定化された高分子材料組成物
US4785076A (en) * 1985-09-03 1988-11-15 General Electric Company Polyphenylene ether resin blends having improved ultraviolet light stability
JPS6259078A (ja) * 1985-09-09 1987-03-14 Fuji Photo Film Co Ltd 減感剤組成物
DE3783146T2 (de) * 1986-02-19 1993-05-19 Atochem North America Freie-radikale-peroxyd-initiatoren mit gehinderten amin-licht stabilisierenden gruppen.
US4822833A (en) * 1986-03-10 1989-04-18 Ciba-Geigy Corporation Stabilized rigid polyvinyl chloride compositions
US5026751A (en) * 1986-03-17 1991-06-25 General Electric Company UV light stabilizer composition comprising cyclic aliphatic epoxy UV screener, and polyalkyldipiperidine (HALS) compounds
US4843116A (en) * 1986-03-17 1989-06-27 General Electric Company UV light stabilizer composition comprising cyclic aliphatic epoxy, UV screener, and polyalkyldipiperidine (HALS) compounds
US4743657A (en) * 1986-03-17 1988-05-10 Milliken Research Corporation Method for preparing polymer bound stabilizers made from non-homopolymerizable stabilizers
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
US4775389A (en) * 1986-12-29 1988-10-04 Texaco Inc. Exhaust particulate reducing and color stabilizing additives for diesel fuels
US4769268A (en) * 1987-08-19 1988-09-06 Basf Corporation Thermoplastic compositions containing stabilized antimicrobial agents
IT1222647B (it) * 1987-09-11 1990-09-05 Eniricerche Spa Composti amminici stericamente impediti e procedimento per la loro preparazione
DE3738736A1 (de) * 1987-11-14 1989-05-24 Basf Ag 4-formylaminopiperidinderivate und deren verwendung als stabilisatoren
ATE102666T1 (de) * 1988-06-14 1994-03-15 Ciba Geigy Ag Verfahren zum fotochemischen stabilisieren von ungefaerbten und gefaerbten polypropylenfasern.
IT1226826B (it) * 1988-07-29 1991-02-19 Eniricerche Spa Copolimeri dell'etilene e procedimento per la loro preparazione.
DE3844356A1 (de) * 1988-12-30 1990-07-05 Basf Ag 4-(2'-ethylhexanoyloxy) -2,2,6,6-tetramethyl-piperidin
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
EP0409771A3 (en) * 1989-06-27 1991-06-12 Ciba-Geigy Ag Process of photochemical and thermal stabilization of polyamide fibres, dyeable by acid and basic dyes, and of their mixtures amongst themselves and with other fibres
US5096948A (en) * 1989-07-03 1992-03-17 Sankyo Company, Limited Resistant resin compositions
US5204390A (en) * 1989-09-08 1993-04-20 H.B. Fuller Company Hot melt adhesive resistant to ultraviolet light-induced degradation and to plasticizer migration
DE3934176A1 (de) * 1989-10-13 1991-04-18 Basf Ag Cyclische amide
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
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
US5342978A (en) * 1993-05-24 1994-08-30 General Electric Company Organic phosphite ester compositions containing hindered piperdinyl light stabilizers
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.
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TW358820B (en) 1995-04-11 1999-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
TW390897B (en) * 1995-07-21 2000-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
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
EP0819730B1 (fr) * 1996-07-17 2005-04-06 Ciba SC Holding AG Stabilisateur de longue durée, résistantes à l'ozone
SG91852A1 (en) * 1998-12-21 2002-10-15 Toyo Boseki Hindered amine compound, resin composition, polyurethane fiber and production method and use thereof
US6946517B2 (en) * 1999-08-17 2005-09-20 Ciba Specialty Chemicals Corporation Stabilizer mixtures
DE10004158A1 (de) * 2000-02-01 2001-08-02 Basf Ag Stabilisatorzusammensetzung
WO2001092398A2 (fr) * 2000-05-31 2001-12-06 Ciba Specialty Chemicals Holding Inc. Melange de stabilisants
JP5111712B2 (ja) * 2000-05-31 2013-01-09 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
US6747077B2 (en) 2000-10-17 2004-06-08 Ciba Specialty Chemicals Corporation Stabilized metallocene polypropylene
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
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
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US6525131B1 (en) 2001-09-18 2003-02-25 Crompton Corporation Aromatic diamine polyurethane curatives with improved stability
US20030225191A1 (en) 2002-04-12 2003-12-04 Francois Gugumus Stabilizer mixtures
JP2005528497A (ja) * 2002-05-30 2005-09-22 チバ　スペシャルティ　ケミカルズ　ホールディング　インコーポレーテッド 安定化された物品
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US7595011B2 (en) 2004-07-12 2009-09-29 Ciba Specialty Chemicals Corporation Stabilized electrochromic media
JP5194789B2 (ja) * 2005-04-18 2013-05-08 コニカミノルタアドバンストレイヤー株式会社 セルロースエステルフィルムの製造方法
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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
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7011773A (fr) * 1970-01-08 1971-07-12

Also Published As

Publication number Publication date
US3640928A (en) 1972-02-08
GB1266035A (fr) 1972-03-08
MY7500131A (en) 1975-12-31
DE1929928B2 (de) 1974-06-20
BE734436A (fr) 1969-11-17
FR2010740A1 (fr) 1970-02-20
DE1929928C3 (de) 1975-02-06
DE1929928A1 (de) 1970-01-08
NL149522B (nl) 1976-05-17

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Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: SANKYO

V4 Discontinued because of reaching the maximum lifetime of a patent