ATE25085T1 - Neue lichtstabilisatoren fuer polymere. - Google Patents

Neue lichtstabilisatoren fuer polymere.

Info

Publication number
ATE25085T1
ATE25085T1 AT82103708T AT82103708T ATE25085T1 AT E25085 T1 ATE25085 T1 AT E25085T1 AT 82103708 T AT82103708 T AT 82103708T AT 82103708 T AT82103708 T AT 82103708T AT E25085 T1 ATE25085 T1 AT E25085T1
Authority
AT
Austria
Prior art keywords
polymers
light stabilizer
new light
oligomers
useful
Prior art date
Application number
AT82103708T
Other languages
German (de)
English (en)
Inventor
William Baptist Hardy
Original Assignee
American Cyanamid Co
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 by American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of ATE25085T1 publication Critical patent/ATE25085T1/de

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
    • C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Hydrogenated Pyridines (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT82103708T 1981-07-20 1982-04-30 Neue lichtstabilisatoren fuer polymere. ATE25085T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/284,882 US4331586A (en) 1981-07-20 1981-07-20 Novel light stabilizers for polymers
EP82103708A EP0070358B1 (en) 1981-07-20 1982-04-30 Novel light stabilizers for polymers

Publications (1)

Publication Number Publication Date
ATE25085T1 true ATE25085T1 (de) 1987-02-15

Family

ID=23091873

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82103708T ATE25085T1 (de) 1981-07-20 1982-04-30 Neue lichtstabilisatoren fuer polymere.

Country Status (7)

Country Link
US (1) US4331586A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0070358B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5818378A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE25085T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3275187D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES514080A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA825147B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436524A (en) 1981-05-16 1984-03-13 Sandoz Ltd. After treating composition for direct or reactive dyeings on cellulose
US4461861A (en) * 1981-07-20 1984-07-24 American Cyanamid Company Polymer compositions stabilized with triazinyl-piperidine compounds
US4439565A (en) * 1982-11-10 1984-03-27 Ciba-Geigy Corporation Oligomeric esteramides containing pendant hindered amine groups
IT1193659B (it) * 1983-02-04 1988-07-21 Chimosa Chimica Organica Spa Composti piperidinil-triazinici utili come stabilizzanti per polimeri sintetici
DE3683427D1 (de) * 1985-09-10 1992-02-27 American Cyanamid Co Gegen chemischen angriff stabilisierte folien fuer den ausseneinsatz.
EP0215740B1 (de) * 1985-09-16 1991-01-02 Ciba-Geigy Ag Verzweigte Polyester
US4863981A (en) * 1986-06-30 1989-09-05 Ciba-Geigy Corporation Synergistic mixture of stabilizers
US4985479A (en) * 1986-11-27 1991-01-15 Sumitomo Chemical Company, Ltd. Stabilized polyolefin composition
IT1215455B (it) * 1987-05-05 1990-02-14 Ciba Geigy Spa Composizione stabilizzante per polietilene comprendente composti contenenti gruppi piperidinici e composti metallici
CS270846B1 (en) * 1988-08-29 1990-08-14 Vass Frantisek New polyaminotriazines and method of their preparation
US4889882A (en) * 1988-12-15 1989-12-26 Ici Americas Inc. Tetramethyl piperidyl terminated triazine oligomeric esters and amides
US4981964A (en) * 1988-12-15 1991-01-01 Ici Americas Inc. Oligomeric polyesters and polyamides containing dipiperidyl triazine groups
IT1230968B (it) * 1989-07-03 1991-11-08 Mini Ricerca Scient Tecnolog Composizioni polimeriche autoestinguenti.
IT1237129B (it) * 1989-11-10 1993-05-18 Valerio Borzatta Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici.
IT1237541B (it) * 1989-12-28 1993-06-08 Ciba Geigy Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici
US5324834A (en) * 1990-06-13 1994-06-28 Ciba-Geigy Corporation Piperidine-triazine co-oligomers for use as stabilizers for organic materials
JP2903739B2 (ja) * 1990-06-29 1999-06-14 住友化学工業株式会社 Ｎ，ｎ′−ビス（２，２，６，６−テトラメチル−４−ピペリジル）アルカンジアミンの製造法
IT1246170B (it) * 1990-07-24 1994-11-16 Ciba Geigy Spa Composizione stabilizzante per polipropilene comprendente composti triazinici contenenti gruppi piperidinici e composti metallici
IT1243374B (it) * 1990-07-27 1994-06-10 Ciba Geigy Spa Composti piperidin-triazinici contenenti gruppi tetraidrofuranici o tetraidropiranici atti all'impiego come stabilizzanti per materiali organici
US5256787A (en) * 1990-09-03 1993-10-26 Ciba-Geigy Corporation Tri-piperdine compounds as stabilizers for organic materials
IT1243433B (it) * 1990-10-03 1994-06-10 Ciba Geigy Spa Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici
US5149723A (en) * 1991-03-22 1992-09-22 E. I. Du Pont De Nemours And Company Stabilized polyacetal compositions containing a mixture of hals having tertiary functionality
US5232965A (en) * 1991-03-22 1993-08-03 E. I. Du Pont De Nemours And Company Stabilized polyacetal compositions
JPH05156094A (ja) * 1991-12-11 1993-06-22 Sumitomo Chem Co Ltd 安定化ポリオレフィン組成物
IT1263892B (it) * 1993-02-11 1996-09-05 Graziano Vignali Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici
EP0736064A1 (en) * 1993-12-02 1996-10-09 Bayer Antwerpen N.V. Stabilizer system for non yellowing polymer composition
US5624982A (en) * 1993-12-02 1997-04-29 Bayer Antwerpen Sa/Nv Stabilizer system for non yellowing polymer composition
TW302377B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-12-24 1997-04-11 Sumitomo Chemical Co
DE59508533D1 (de) * 1994-10-28 2000-08-10 Ciba Sc Holding Ag Synergistisches Stabilisatorgemisch
EP0709426B2 (de) 1994-10-28 2005-01-05 Ciba SC Holding AG Synergistisches Stabilisatorgemisch
TW401437B (en) 1995-02-10 2000-08-11 Ciba Sc Holding Ag Synergistic stabilizer mixture
TW358820B (en) 1995-04-11 1999-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
TW360678B (en) * 1995-05-03 1999-06-11 Ciba Sc Holding Ag Synergistic stabilizer mixture for polyolefins
IT1275584B1 (it) * 1995-07-21 1997-08-06 3V Sigma Spa Composizioni per la stabilizzazione di polimeri sintetici
TW390897B (en) * 1995-07-21 2000-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
EP0782994B1 (en) * 1995-12-04 2003-02-05 Ciba SC Holding AG Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
US6046304A (en) * 1995-12-04 2000-04-04 Ciba Specialty Chemicals Corporation Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
ES2128978B1 (es) * 1996-04-01 2000-03-01 Ciba Sc Holding Ag Derivados de politriazina que contienen grupos de polialquilpiperidiniloxilo o polialquilpiperidinilamino.
EP0819730B1 (de) * 1996-07-17 2005-04-06 Ciba SC Holding AG Ozonresistente Langzeitstabilisatoren
DE69719004T2 (de) 1996-12-24 2003-07-24 Ciba Speciality Chemicals Holding Inc., Basel Triazinverbindungen die 2,2,6,6-Tetramethyl-4-piperidingruppen enthalten als Stabilisatoren für organische Materialen
TW491872B (en) * 1997-05-27 2002-06-21 Ciba Sc Holding Ag Block oligomers containing l-hydrocarbyloxy-2,2,6,6-tetramethyl-4- piperidyl groups as stabilizers for lower polyolefin
CA2287556C (en) 1997-05-27 2008-02-19 Ciba Specialty Chemicals Holding Inc. Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
TW589341B (en) 1997-05-27 2004-06-01 Ciba Sc Holding Ag Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
TW428008B (en) 1997-05-27 2001-04-01 Ciba Sc Holding Ag Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethy1-4-piperidyl groups as stabilizers for organic materials
TW509683B (en) * 1997-05-27 2002-11-11 Ciba Sc Holding Ag Triazine derivatives containing 2,2,6,6-tetramethyl-4-piperidyl groups
ES2165792B1 (es) 1997-05-27 2003-10-01 Ciba Sc Holding Ag "oligomeros de bloque conteniendo grupos 1-hidrocarbiloxi-2,2,6,6-tetrametil-4-piperidilo como estabilizadores para materiales organicos"
IT1292040B1 (it) * 1997-05-30 1999-01-25 Ciba Spec Chem Spa Processo per la preparazione di prodotti politriazinici contenenti gruppi 2,2,6,6-tetrametil-4-piperidile
CN1280576A (zh) * 1997-12-08 2001-01-17 Cytec技术有限公司 吗啉代封端的受阻胺取代的氨基三嗪和其作为光稳定剂的应用
US6051164A (en) * 1998-04-30 2000-04-18 Cytec Technology Corp. Methods and compositions for protecting polymers from UV light
JP2002518489A (ja) 1998-06-22 2002-06-25 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 ポリ（トリスアリール−１，３，５−トリアジン＝カルバマート）紫外光吸収剤
BR9911432A (pt) 1998-06-22 2001-03-20 Cytec Tech Corp Composto de triazina, composição estabilizadora, e, processo para estabilizar um material
DE10196267T1 (de) * 2000-05-31 2003-05-15 Ciba Sc Holding Ag Stabilisatorgemische
US6433088B1 (en) 2000-08-04 2002-08-13 Equistar Chemicals, Lp Clear and printable polypropylene films
US6355733B1 (en) 2000-10-13 2002-03-12 Equistar Chemicals, Lp Polyethylene blends and films
US6747077B2 (en) 2000-10-17 2004-06-08 Ciba Specialty Chemicals Corporation Stabilized metallocene polypropylene
US6867250B1 (en) 2000-10-30 2005-03-15 Cytec Technology Corp. Non-yellowing ortho-dialkyl aryl substituted triazine ultraviolet light absorbers
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
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
US6613841B2 (en) 2002-01-28 2003-09-02 Equistar Chemicals, Lp Preparation of machine direction oriented polyethylene films
US20030225191A1 (en) 2002-04-12 2003-12-04 Francois Gugumus Stabilizer mixtures
US6649698B1 (en) 2002-05-17 2003-11-18 Equistar Chemicals, Lp Polyethylene blends
DE60319695T2 (de) * 2002-05-30 2009-03-26 Ciba Holding Inc. Stabilisierte gegenstände
US20030236325A1 (en) * 2002-05-30 2003-12-25 Michela Bonora Agricultural articles
US20040143041A1 (en) * 2003-01-13 2004-07-22 Pearson Jason Clay Polyester compositions
US7482397B2 (en) * 2003-01-13 2009-01-27 Eastman Chemical Company Polycarbonate compositions
US7297735B2 (en) * 2003-03-05 2007-11-20 Eastman Chemical Company Polycarbonate compositions
KR101158123B1 (ko) * 2003-03-05 2012-06-19 이스트만 케미칼 컴파니 자외선 흡수 화합물을 함유하는 중합체 조성물
CN100594220C (zh) * 2003-03-05 2010-03-17 伊士曼化工公司 聚合物共混物
US20040180994A1 (en) * 2003-03-05 2004-09-16 Pearson Jason Clay Polyolefin compositions
US20050277713A1 (en) * 2003-03-05 2005-12-15 Pearson Jason C Polymer blends
US20040192813A1 (en) * 2003-03-20 2004-09-30 Pearson Jason Clay Polymer compositions containing an ultraviolet light absorbing compound
US7338992B2 (en) * 2003-03-05 2008-03-04 Eastman Chemical Company Polyolefin compositions
US20040183053A1 (en) * 2003-03-20 2004-09-23 Pearson Jason Clay Process for the preparation of a hindered amine light stabilizer salt
US6903162B2 (en) * 2003-07-01 2005-06-07 Equistar Chemicals, Lp Preparation of polyethylene films
US7175918B2 (en) * 2004-04-27 2007-02-13 Equistar Chemicals, Lp Polyolefin compositions
JP2008535972A (ja) 2005-04-07 2008-09-04 サイテク・テクノロジー・コーポレーシヨン 環式オレフィンコポリマーの光分解を防止するための組成物及び方法
US7608327B2 (en) * 2005-12-20 2009-10-27 Equistar Chemicals, Lp High tear strength film
WO2008145673A2 (de) * 2007-05-31 2008-12-04 Basf Se Verfahren zur herstellung von 4-formylaminopiperidinderivaten
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
EP2130854B1 (en) 2008-05-09 2016-10-19 MCA Technologies GMBH Polytriazinyl compounds as flame retardants and light stabilizers
IT1393333B1 (it) * 2009-02-09 2012-04-20 3V Sigma Spa Nuove ammine stericamente impedite e loro uso come stabilizzanti per polimeri
JP5808326B2 (ja) 2009-08-18 2015-11-10 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ Ｕｖ安定化光電モジュール
US20110045265A1 (en) * 2009-08-20 2011-02-24 Haley Jeffrey C Polyolefin composition and film thereof
IT1399477B1 (it) 2010-03-15 2013-04-19 3V Sigma Spa Miscele di ammine stericamente impedite per la stabilizzazione di polimeri
US9701813B2 (en) 2010-07-12 2017-07-11 Ineos Styrolution Europe Gmbh Weathering-stabilized acrylonitrile copolymer molding compositions
MX345365B (es) 2010-07-12 2017-01-27 Styrolution Europe Gmbh Composiciones estabilizadas de moldeo de acrilonitrilo/estireno/es ter acrilico.
US8637607B2 (en) 2010-07-28 2014-01-28 Equistar Chemicals, Lp Polyethylene blends and films
IT1403086B1 (it) 2010-10-28 2013-10-04 3V Sigma Spa Nuove ammine stericamente impedite polimeriche e loro uso come stabilizzanti per polimeri
ITMI20110802A1 (it) 2011-05-10 2012-11-11 3V Sigma Spa Miscele di ammine stericamente impedite per la stabilizzazione di polimeri
CN103619950B (zh) 2011-06-27 2016-01-27 巴斯夫欧洲公司 含有苯乙烯共聚物的耐候聚酯模塑组合物
US8889769B2 (en) 2011-06-27 2014-11-18 Basf Se Weathering-resistant polyester molding compositions with styrene copolymers
WO2013045205A1 (de) 2011-09-29 2013-04-04 Styrolution GmbH Stabilisierte formmassen aus polyamid und asa-copolymeren
EP2760926A1 (de) 2011-09-29 2014-08-06 Styrolution GmbH Stabilisierte polycarbonat acrylnitril/styrol/acrylester formmassen
KR20140097156A (ko) 2011-10-13 2014-08-06 스티롤루션 게엠베하 안정화 폴리아미드/abs 성형물
EP2647664A1 (en) * 2012-04-04 2013-10-09 Cytec Technology Corp. Method for stabilizing polyolefin films against UV degradation
SA116370295B1 (ar) 2015-02-20 2016-12-06 باسف اس اى رقائق، وأشرطة وفتائل أحادية من البولي أوليفين مثبتة للضوء
MX2018001214A (es) 2015-07-27 2018-04-24 Basf Se Mezcla aditiva.
IT201700073726A1 (it) 2017-06-30 2018-12-30 3V Sigma Spa Ammine impedite polimeriche
KR102514321B1 (ko) 2017-07-05 2023-03-24 이네오스 스티롤루션 그룹 게엠베하 개선된 uv 내성을 갖는 열가소성 스티렌 코폴리머 수지 조성물
KR102514323B1 (ko) 2017-07-05 2023-03-27 이네오스 스티롤루션 그룹 게엠베하 개선된 uv 내성을 갖는 열가소성 수지 조성물
WO2019007957A1 (en) 2017-07-05 2019-01-10 Ineos Styrolution Group Gmbh THERMOPLASTIC RESIN COMPOSITION HAVING ENHANCED UV RESISTANCE
IT201700078234A1 (it) 2017-07-11 2019-01-11 3V Sigma Spa Ammine impedite

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK144796C (da) * 1975-03-21 1982-10-25 Montefibre Spa Stabiliseret alkenpolymerformstof eller-genstand og stabiliseringsmiddel til brug ved fremstillingen deraf
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
IT1052501B (it) * 1975-12-04 1981-07-20 Chimosa Chimica Organica Spa Composti politriazinici utilizzabili per la stabilizzazione di polimeri sintetici e procedimento per la loro preparazione
CH626109A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1976-05-11 1981-10-30 Ciba Geigy Ag
DE2961381D1 (en) * 1978-02-08 1982-01-28 Ciba Geigy Ag Polyalkylpiperidine derivatives of s-triazines, their use as stabilizers for polymers and polymers thus stabilized
DE2839711A1 (de) * 1978-09-13 1980-03-27 Hoechst Ag Neue polyalkylpiperidinpolymerisate, ihre herstellung und verwendung
US4315859A (en) * 1979-01-15 1982-02-16 Ciba-Geigy Corporation 1,3,5-Triazines containing at least one piperidine radical
US4265805A (en) * 1980-04-01 1981-05-05 American Cyanamid Company Polymeric light stabilizers containing tetralkyl piperidine moieties

Also Published As

Publication number Publication date
JPH0112753B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-03-02
DE3275187D1 (en) 1987-02-26
JPS5818378A (ja) 1983-02-02
ZA825147B (en) 1983-05-25
EP0070358A1 (en) 1983-01-26
US4331586A (en) 1982-05-25
ES8308576A1 (es) 1983-10-01
EP0070358B1 (en) 1987-01-21
ES514080A0 (es) 1983-10-01

Similar Documents

Publication Publication Date Title
ATE25085T1 (de) Neue lichtstabilisatoren fuer polymere.
AU6144980A (en) Triazine derivatives used as stabilisers for synthetic polymers
ATE28190T1 (de) Lichtschutzmittel fuer polymere.
AU535183B2 (en) Triazine derivatives used as light stabilisers for organic polymers
ATE30920T1 (de) Selbstverloeschende polymerzusammensetzungen.
IT8219208A0 (it) Struttura anodica per protezione catodica.
DE3850366D1 (de) Ternäre Foto-Initiatorzusammensetzung zur Additionspolymerisation.
BR8200335A (pt) Veiculo guiavel por uma via
IT8319349A0 (it) Composizioni ritardanti di combustione.
IT1209416B (it) Composizioni stabilizzanti per alogenuri di vinile migliorate.
FI880849A0 (fi) Nya siloxan-bis-maleimider och foerfarande foer deras framstaellning.
ES8701159A1 (es) Procedimiento para la obtencion de derivados de piperidina con actividad cardiovascular.
ES516369A0 (es) Procedimiento para la obtencion de diamidas de acido hidroxi-maloico sustituidas.
ATE66922T1 (de) Substituierte diazaoxaspirodecane, ihre herstellung und ihre verwendung als stabilisatoren fuer polymere.
IT7819482A0 (it) Procedimento per rimuovere impurita' da carbone grezzo.
FI830096L (fi) Foerfarande foer framstaellning av 2-acyl-1,3,4,6,7,11b-hexahydro-2h-pyrazino /2,1-a/-4-isokinolinooch mellanprodukter
BR8706250A (pt) Processo de preparacao de compostos,composicoes compreendendo tais compostos e aplicacao dos mesmos
ES2058196T3 (es) Derivados de azacromano.
AU553922B2 (en) Poly-bis-triazinylimides as light stabilizer for polymers
SE8205535L (sv) Kvaternera piperidiniumhalider
NO801615L (no) Stabiliserte halogenhydrocarboner.
IT8621770A0 (it) Composizioni di polimero ritardanti di fiamma.
DE3374196D1 (en) Pyrazolinones, their preparation and their use as polyvinyl chloride polymers stabilizers
IT1211049B (it) Sospensione acquosa di carbone.
IT8322941A0 (it) Stabilizzazione di composizioni diazotipica.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time