BR6456748D0 - Processo para proteger ou estabilizar materiais organicos especialmente polimeros ou policondensados contra os efeitos danosos de calor ar e luz ultra-violeta - Google Patents

Processo para proteger ou estabilizar materiais organicos especialmente polimeros ou policondensados contra os efeitos danosos de calor ar e luz ultra-violeta

Info

Publication number
BR6456748D0
BR6456748D0 BR156748/64A BR15674864A BR6456748D0 BR 6456748 D0 BR6456748 D0 BR 6456748D0 BR 156748/64 A BR156748/64 A BR 156748/64A BR 15674864 A BR15674864 A BR 15674864A BR 6456748 D0 BR6456748 D0 BR 6456748D0
Authority
BR
Brazil
Prior art keywords
polycondensates
ultra
protect
organic materials
air heat
Prior art date
Application number
BR156748/64A
Other languages
English (en)
Portuguese (pt)
Inventor
Sa Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of BR6456748D0 publication Critical patent/BR6456748D0/pt

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/494Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
    • A61K8/4966Triazines or their condensed derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C291/00Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00
    • C07C291/02Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00 containing nitrogen-oxide bonds
    • C07C291/04Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00 containing nitrogen-oxide bonds containing amino-oxide bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477Six-membered rings
    • C08K5/3492Triazines
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K15/00Anti-oxidant compositions; Compositions inhibiting chemical change
    • C09K15/04Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
    • C09K15/30Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing heterocyclic ring with at least one nitrogen atom as ring member
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35Heterocyclic compounds
    • D06M13/355Heterocyclic compounds having six-membered heterocyclic rings
    • D06M13/358Triazines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/925Natural rubber compositions having nonreactive materials, i.e. NRM, other than: carbon, silicon dioxide, glass titanium dioxide, water, hydrocarbon or halohydrocarbon
    • Y10S524/929Natural rubber broadly disclosed, nonclaimed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Textile Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dermatology (AREA)
  • Materials Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
BR156748/64A 1963-02-07 1964-02-07 Processo para proteger ou estabilizar materiais organicos especialmente polimeros ou policondensados contra os efeitos danosos de calor ar e luz ultra-violeta BR6456748D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH152663 1963-02-07

Publications (1)

Publication Number Publication Date
BR6456748D0 true BR6456748D0 (pt) 1973-08-14

Family

ID=4212494

Family Applications (1)

Application Number Title Priority Date Filing Date
BR156748/64A BR6456748D0 (pt) 1963-02-07 1964-02-07 Processo para proteger ou estabilizar materiais organicos especialmente polimeros ou policondensados contra os efeitos danosos de calor ar e luz ultra-violeta

Country Status (8)

Country Link
US (1) US3244708A (forum.php)
AT (1) AT246103B (forum.php)
BE (1) BE643432A (forum.php)
BR (1) BR6456748D0 (forum.php)
DE (1) DE1216875B (forum.php)
GB (1) GB1061521A (forum.php)
NL (2) NL6400983A (forum.php)
SE (1) SE323387B (forum.php)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529055A (en) * 1966-03-18 1970-09-15 Nat Starch Chem Corp Suntan composition and method containing alkali soluble polymeric sun screening agents
US3706740A (en) * 1971-04-19 1972-12-19 Ciba Geigy Corp 3,5-dialkyl-4-hydroxyphenyl derivatives of triazines
US4826978A (en) * 1987-12-29 1989-05-02 Milliken Research Corporation Reactive, non-yellowing triazine compounds useful as UV screening agents for polymers
US4962142A (en) * 1987-12-29 1990-10-09 Milliken Research Corporation Reactive, non-yellowing triazine compounds useful as UV screening agents for polymers
US5736597A (en) * 1989-12-05 1998-04-07 Ciba-Geigy Corporation Stabilized organic material
US5189084A (en) * 1989-12-21 1993-02-23 Ciba-Geigy Corporation Process for incorporating o-hydroxyphenyl-s-triazines in organic polymers
US5721298A (en) * 1989-12-26 1998-02-24 Cytec Technology Corp. Stabilization of high solids coatings with liquid compositions of triazine UV absorbers
EP0483488B1 (en) * 1990-10-29 1997-03-12 Cytec Technology Corp. Synergistic ultraviolet absorber compositions containing hydroxy aryl triazines and tetraalkyl piperidines
TW222292B (forum.php) * 1991-02-21 1994-04-11 Ciba Geigy Ag
KR100187320B1 (ko) * 1991-02-21 1999-04-01 월터 클리웨인 광, 산소 및 열에 대해 안정화된 도료
DE59201428D1 (de) * 1991-03-27 1995-03-30 Ciba Geigy Ag Stabilisierte Methylmethacrylat-Polymere.
FR2674850B1 (fr) * 1991-04-04 1993-07-02 Oreal Derives s-triaziniques portant des substituants benzalmalonates, compositions cosmetiques filtrantes les contenant et leur utilisation pour proteger la peau et les cheveux du rayonnement ultraviolet.
DE59208921D1 (de) * 1991-06-03 1997-10-30 Ciba Geigy Ag UV-Absorber enthaltendes photographisches Material
EP0531258B1 (de) * 1991-09-05 1997-09-10 Ciba SC Holding AG UV-Absorber enthaltendes photographisches Material
TW252111B (forum.php) * 1992-07-02 1995-07-21 Ciba Geigy
BE1006797A5 (fr) * 1992-12-03 1994-12-13 Ciba Geigy Ag Absorbeurs d'uv.
US5489503A (en) * 1992-12-03 1996-02-06 Ciba-Geigy Corp. UV absorbers
US5354794A (en) * 1993-02-03 1994-10-11 Ciba-Geigy Corporation Electro coat/base coat/clear coat finishes stabilized with S-triazine UV absorbers
GB2290745A (en) * 1994-07-01 1996-01-10 Ciba Geigy Ag Coextruded stabilised laminated thermolastics
US5556973A (en) * 1994-07-27 1996-09-17 Ciba-Geigy Corporation Red-shifted tris-aryl-s-triazines and compositions stabilized therewith
US5672704A (en) * 1994-10-04 1997-09-30 Ciba-Geigy Corporation 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties
AU703967B2 (en) * 1994-10-10 1999-04-01 Ciba Specialty Chemicals Holding Inc. Bisresorcinyltriazines
EP0711804A3 (de) 1994-11-14 1999-09-22 Ciba SC Holding AG Kryptolichtschutzmittel
TW308601B (forum.php) * 1995-01-18 1997-06-21 Ciba Sc Holding Ag
US6255483B1 (en) 1995-03-15 2001-07-03 Ciba Specialty Chemicals Corporation Biphenyl-substituted triazines
US5585422A (en) * 1995-09-20 1996-12-17 Ciba-Geigy Corporation Hybrid s-triazine light stabilizers substituted by benzotriazole or benzophenone moieties and compositions stabilized therewith
DE59608792D1 (de) * 1995-12-14 2002-04-04 Ciba Sc Holding Ag Verfahren zur Herstellung von 2-(2,4-Dihydroxyphenyl)-4,6-bis-(2,4-dimethylphenyl)-s-triazin
EP0779280B1 (de) 1995-12-14 2002-02-27 Ciba SC Holding AG Verfahren zur Herstellung von 2-(2,4-Dihydroxyphenyl)-4,6-bis-(2,4-dimethylphenyl)-s-triazin
US5726309A (en) * 1996-08-27 1998-03-10 Ciba Specialty Chemicals Corporation Tris-aryls-triazines substituted with biphenylyl groups
GB2317174B (en) * 1996-09-13 2000-05-17 Ciba Sc Holding Ag Hydroxyphenyltriazines
BE1012529A3 (fr) * 1996-09-13 2000-12-05 Ciba Sc Holding Ag Melange de triaryltriazines et son utilisation pour la stabilisation de materiaux organiques.
US5998116A (en) * 1996-09-13 1999-12-07 Ciba Specialty Chemicals Corporation Color-photographic recording material
GB2319523B (en) 1996-11-20 2000-11-08 Ciba Sc Holding Ag Hydroxyphenyltriazines
TW432055B (en) * 1997-05-16 2001-05-01 Ciba Sc Holding Ag Resorcinyl-triazines, their preparation process and a cosmetic composition containing them
EP0878469B1 (de) * 1997-05-16 2004-10-27 Ciba SC Holding AG Resorcinyl-Triazine
US6270888B1 (en) 1997-08-07 2001-08-07 Dupont Teijin Films Us Limited Partner Polymeric film
US6117997A (en) * 1997-11-19 2000-09-12 Ciba Specialty Chemicals Corporation Hydroxyphenyltriazines
EP0941989B1 (en) * 1998-03-02 2009-07-08 Ciba Holding Inc. Process for the preparation of 2,4-diaryl-6-o-hydroxyphenyl-1,3,5-triazine derivatives in the presence of a protic acid catalyst
JP2000026435A (ja) 1998-05-07 2000-01-25 Ciba Specialty Chem Holding Inc トリスレゾリシニルトリアジン
US6297377B1 (en) 1998-06-22 2001-10-02 Cytec Technology Corporation Benzocycle-substituted triazine and pyrimidine ultraviolet light absorbers
EP1089986B1 (en) 1998-06-22 2005-03-30 Ciba SC Holding AG Poly-trisaryl-1,3,5-triazine carbamate ultraviolet light absorbers
DE69927372T2 (de) 1998-06-22 2006-07-13 Cytec Technology Corp., Wilmington In den roten Bereich verschobene Trisaryl-1,3,5-Triazin-Ultraviolettlicht-Absorptionsmittel
CA2335580A1 (en) * 1998-06-22 1999-12-29 Cytec Technology Corp. Non-yellowing triazine and pyrimidine ultraviolet light absorbers
US6239276B1 (en) 1998-06-22 2001-05-29 Cytec Technology Corporation Non-yellowing para-tertiary-alkyl phenyl substituted triazine and pyrimidine ultraviolet light absorbers
DE69921667T2 (de) * 1998-09-04 2005-04-28 Cytec Technology Corp., Wilmington Verfahren zur herstellung von 2-(-hydroxy-4-alkoxyphenyl)-4,6-bisaryl-1,3,5-triazinen
KR20010073101A (ko) * 1998-09-04 2001-07-31 에프. 아. 프라저, 에른스트 알테르 (에. 알테르), 한스 페터 비틀린 (하. 페. 비틀린), 피. 랍 보프, 브이. 스펜글러, 페. 아에글러 2-하이드록시-4-알콕시페닐 또는 2,4-디하이드록시페닐치환된 1,3,5-트리아진 uv 흡수제의 제조방법
CN1184211C (zh) 1998-09-04 2005-01-12 Cytec技术有限公司 制备2-(2,4-二羟苯基)或2-(2,4-二烷氧基苯基)-4,6-双芳基-1,3,5-三嗪的方法
AU5907399A (en) * 1998-09-04 2000-03-27 Ciba Specialty Chemicals Holding Inc. Process for making 2,4-dihydroxyphenyl and 2-hydroxy-4-alkoxyphenyl substituted triazine compounds
EP1382599B1 (en) * 1998-09-04 2006-08-30 Cytec Technology Corp. 2-(2,4 dihydroxyphenyl)-4,6 bis(3,4-dimethylphenyl)-s-triazine and 2-(2,4-dihydroxyphenyl)4(3,4-dimethylphenyl)-6-(2,3-dimethylphenyl)-s-triazine and derivatives thereof as UV-absorber
TWI259182B (en) 1998-11-17 2006-08-01 Cytec Tech Corp Process for preparing triazines using a combination of Lewis acids with reaction promoters
US6468609B2 (en) * 1999-12-01 2002-10-22 Agfa-Gevaert UV-absorbing film and its use as protective sheet
DE60026177T2 (de) * 1999-12-23 2006-08-03 Ciba Speciality Chemicals Holding Inc. Stabilisatormischung
US6867250B1 (en) 2000-10-30 2005-03-15 Cytec Technology Corp. Non-yellowing ortho-dialkyl aryl substituted triazine ultraviolet light absorbers
US6632944B2 (en) * 2001-06-22 2003-10-14 Cytec Technology Corp. Process for isolation of monophenolic-bisaryl triazines
TWI316513B (en) * 2001-07-02 2009-11-01 Ciba Sc Holding Ag Highly compatible hydroxyphenyltriazine uv-absorbers
US6800757B2 (en) 2001-09-27 2004-10-05 Cytec Technology Corp. Red-shifted triazine ultravioletlight absorbers
US7297409B2 (en) * 2001-10-12 2007-11-20 Sabic Innovative Plastics Ip Bv Multilayer, weatherable compositions and method of manufacture thereof
JP4563678B2 (ja) * 2001-10-18 2010-10-13 チバ ホールディング インコーポレーテッド 有機材料の安定剤としてのナフチルトリアジン
US6630527B2 (en) 2001-10-19 2003-10-07 General Electric Company UV stabilized, impact modified polyester/polycarbonate blends, articles, and methods of manufacture thereof
US7090926B2 (en) * 2001-11-09 2006-08-15 General Electric Company Multi-layer, weatherable compositions and method of manufacture thereof
US6855269B2 (en) * 2001-11-09 2005-02-15 Cytec Technology Corp. Phenyl ether-substituted hydroxyphenyl triazine ultraviolet light absorbers
ATE415448T1 (de) * 2001-11-30 2008-12-15 Ciba Holding Inc 2-hydroxyphenyl-s-triazin-vernetzer für polymernetzwerke
KR101187002B1 (ko) 2003-03-24 2012-09-28 시바 홀딩 인코포레이티드 대칭 트리아진 유도체
EP2573076B1 (en) * 2008-06-04 2014-08-20 Adeka Corporation Method for producing 2,4,6-tris(hydroxyphenyl)-1,3,5-triazine compound
ES2463674T3 (es) 2009-01-19 2014-05-28 Basf Se Pigmentos negros orgánicos y su preparación
GB0915687D0 (en) 2009-09-08 2009-10-07 Dupont Teijin Films Us Ltd Polyester films
GB201001947D0 (en) 2010-02-05 2010-03-24 Dupont Teijin Films Us Ltd Polyester films
JP2012126882A (ja) * 2010-11-22 2012-07-05 Fujifilm Corp 紫外線吸収剤組成物
GB2488787A (en) 2011-03-07 2012-09-12 Dupont Teijin Films Us Ltd Stabilised polyester films
GB201104565D0 (en) 2011-03-17 2011-05-04 Dupont Teijin Films Us Ltd Polyester films
GB201310837D0 (en) 2013-06-18 2013-07-31 Dupont Teijin Films Us Ltd Polyester film -IV
GB201317551D0 (en) 2013-10-03 2013-11-20 Dupont Teijin Films Us Ltd Co-extruded polyester films
GB201412153D0 (en) 2014-07-08 2014-08-20 Dupont Teijin Films Us Ltd Polyester film
GB201504291D0 (en) 2015-03-13 2015-04-29 Dupont Teijin Films Us Ltd PV cells
GB201504760D0 (en) 2015-03-20 2015-05-06 Dupont Teijin Films Us Ltd Partnership PV cells
MX368883B (es) * 2015-05-18 2019-10-21 Dsm Ip Assets Bv Proceso nuevo para la eterificacion de las bis-resorcinil triazinas.
US10183916B2 (en) 2015-05-18 2019-01-22 Dsm Ip Assets B.V. Process for the preparation of triazines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH350763A (de) * 1958-10-14 1960-12-15 Ciba Geigy Verwendung von Azolverbindungen als Schutzmittel gegen ultraviolette Strahlung
US3118887A (en) * 1961-03-06 1964-01-21 American Cyanamid Co O-hydroxy substituted tris aryl-s-triazines
US3113943A (en) * 1961-07-13 1963-12-10 Monsanto Res Corp Triazine hydroxy ethers

Also Published As

Publication number Publication date
NL6400983A (forum.php) 1964-08-10
DE1216875B (de) 1966-05-18
NL130993C (forum.php)
SE323387B (forum.php) 1970-05-04
BE643432A (forum.php) 1964-08-06
US3244708A (en) 1966-04-05
GB1061521A (en) 1967-03-15
AT246103B (de) 1966-04-12

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