BR9303023A - Composicao e processo para inibir a polimerizacao prematura de um composto vinil aromatico - Google Patents

Composicao e processo para inibir a polimerizacao prematura de um composto vinil aromatico

Info

Publication number
BR9303023A
BR9303023A BR9303023A BR9303023A BR9303023A BR 9303023 A BR9303023 A BR 9303023A BR 9303023 A BR9303023 A BR 9303023A BR 9303023 A BR9303023 A BR 9303023A BR 9303023 A BR9303023 A BR 9303023A
Authority
BR
Brazil
Prior art keywords
composition
aromatic vinyl
vinyl compound
premature polymerization
inhibit premature
Prior art date
Application number
BR9303023A
Other languages
English (en)
Inventor
Roland A E Winter
Sheng-Shing Li
Leslie R Gatechair
Volker H Von Ahn
Original Assignee
Ciba Geigy Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25446025&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9303023(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of BR9303023A publication Critical patent/BR9303023A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/50—Use of additives, e.g. for stabilisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/20—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Polymerisation Methods In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
BR9303023A 1992-07-29 1993-07-28 Composicao e processo para inibir a polimerizacao prematura de um composto vinil aromatico BR9303023A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/921,824 US5254760A (en) 1992-07-29 1992-07-29 Inhibiting polymerization of vinyl aromatic monomers

Publications (1)

Publication Number Publication Date
BR9303023A true BR9303023A (pt) 1994-03-15

Family

ID=25446025

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9303023A BR9303023A (pt) 1992-07-29 1993-07-28 Composicao e processo para inibir a polimerizacao prematura de um composto vinil aromatico

Country Status (14)

Country Link
US (1) US5254760A (pt)
EP (1) EP0581737B1 (pt)
JP (1) JP2855399B2 (pt)
KR (1) KR0177045B1 (pt)
CN (1) CN1041513C (pt)
AU (1) AU666024B2 (pt)
BR (1) BR9303023A (pt)
CA (1) CA2101359C (pt)
DE (1) DE69310044T2 (pt)
ES (1) ES2101995T3 (pt)
MX (1) MX9304506A (pt)
RU (1) RU2116285C1 (pt)
SA (1) SA93140161B1 (pt)
TW (1) TW226023B (pt)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW294658B (pt) † 1994-06-02 1997-01-01 Nippon Catalytic Chem Ind
US5728872A (en) * 1994-06-27 1998-03-17 Lutz Riemenschneider Stabilized acrylic acid compositions
ES2126185T3 (es) * 1994-08-19 1999-03-16 Huels Chemische Werke Ag Inhibicion de la polimerizacion del estireno.
US5888356A (en) * 1994-08-19 1999-03-30 Huels Aktiengesellschaft Inhibition of polymerization of vinylaromatic or vinylaliphatic
US5545786C1 (en) * 1994-11-28 2001-10-16 Ciba Geigy Corp Method for inhibiting premature polymerization of vinyl aromatic monomers
DE19510184A1 (de) * 1995-03-21 1996-09-26 Basf Ag 4-Acylaminopiperidin-N-oxyle
US5616774A (en) * 1995-04-14 1997-04-01 Ciba-Geigy Corporation Inhibition of unsaturated monomers with 7-aryl quinone methides
DE19531649A1 (de) * 1995-08-29 1997-03-06 Basf Ag Dübelmasse für die chemische Befestigungstechnik
US5629426A (en) * 1995-11-09 1997-05-13 Ciba-Geigy Corporation Carbonate-mediated hydrogen peroxide oxidations of 4-hydroxy-2,2,6,6-tetramethylpiperidine
US5654434A (en) * 1995-11-09 1997-08-05 Ciba-Geigy Corporation Hydrogen peroxide oxidation of 4-hydroxy-2, 2, 6, 6-tetramethylpiperidine
DE19609312A1 (de) * 1996-03-09 1997-09-11 Basf Ag Stabilisierte Monomerenzusammensetzung
US5777126A (en) * 1996-05-01 1998-07-07 Ciba Specialty Chemicals Corporation Carbonate-mediated hydrogen peroxide oxidation of 4-acylamino-2,2,6,6-tetramethylpiperidine
EP0906257B2 (de) † 1996-06-05 2010-04-07 Basf Se Mischungen, enthaltend monomere und stabilisatoren
US5711767A (en) * 1996-07-11 1998-01-27 Ciba Specialty Chemicals Corporation Stabilizers for the prevention of gum formation in gasoline
GB9614854D0 (en) * 1996-07-15 1996-09-04 Marks A H & Co Ltd Free radical scavengers
US6409887B1 (en) 1996-07-15 2002-06-25 Aah Marks And Company Limited Polymerization inhibitor
DE19638868A1 (de) * 1996-09-23 1998-03-26 Basf Ag Stabilisierte Monomerenzusammensetzung
DE69710163T2 (de) * 1996-12-02 2002-10-02 Ondeo Nalco Energy Serv Lp Hemmung der Polymerisation von vinylaromatischen Monomeren
DE19651307A1 (de) 1996-12-10 1998-06-18 Basf Ag Stoffmischungen, enthaltend vinylgruppenhaltige Verbindungen und Stabilisatoren
US5847035A (en) * 1997-03-13 1998-12-08 Uniroyal Chemical Company, Inc. Substituteed tetrahydropyrimidine derivatives and their use as polymerization inhibitors for vinyl aromatic compounds
DE19811602A1 (de) * 1997-03-20 1998-11-12 Ciba Geigy Ag Polymerisationsinhibitor-Verfahren
US6281311B1 (en) * 1997-03-31 2001-08-28 Pmd Holdings Corp. Controlled free radical polymerization process
US5932735A (en) * 1997-06-13 1999-08-03 Ciba Specialty Chemicals Corporation Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers
DE19725519A1 (de) * 1997-06-17 1998-12-24 Basf Ag Stoffmischung, enthaltend vinylgruppenhaltige Verbindungen und Stabilisatoren
US5969369A (en) * 1997-08-29 1999-10-19 Fogarty; Charles M. Infrared emissive module
US5869717A (en) * 1997-09-17 1999-02-09 Uop Llc Process for inhibiting the polymerization of vinyl aromatics
US5955643A (en) * 1997-10-17 1999-09-21 Nalco/Exxon Energy Chemicals, L.P. Composition and method for inhibiting polymerization during the anaerobic of styrene
US5880230A (en) * 1997-12-31 1999-03-09 Nalco/Exxon Energy Chemicals, L.P. Shortstop agents for vinyl polymerizations
US6024894A (en) * 1998-03-25 2000-02-15 Betzdearborn Inc. Compositions and methods for inhibiting vinyl aromatic monomer polymerization
US5907071A (en) * 1998-04-21 1999-05-25 Betzdearborn Inc. Compositions and methods for inhibiting vinyl aromatic monomer polymerization
US5910232A (en) * 1998-06-10 1999-06-08 Nalco/Exxon Energy Chemicals, L.P. Method for inhibiting polymer formation in styrene processing
AU8542498A (en) 1998-07-14 2000-02-07 Ciba Specialty Chemicals Holding Inc. Derivatives of 1-oxyl-4-hydroxy- or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers
AU760809B2 (en) * 1998-09-09 2003-05-22 Baker Hughes Incorporated Styrene monomer polymerization inhibition using substituted dihydroxyarenes and nitroxides
AU1863100A (en) * 1998-12-17 2000-07-03 Ciba Specialty Chemicals Holding Inc. Inhibiting polymerization of vinyl aromatic monomers using synergistic mixtures containing nitroxide stabilizers
US20040019247A1 (en) * 1999-02-26 2004-01-29 Basf Aktiengesellschaft Continuous recovery of styrene from a styrene-containing mixture
DE19922103A1 (de) * 1999-05-17 2000-11-23 Basf Ag Stoffmischungen, enthaltend vinylgruppenhaltige Verbindungen und Stabilisatoren
DE19926758A1 (de) 1999-06-11 2000-12-14 Basf Ag Verfahren zur Verhinderung unerwünschter Polymerisation in einem ethylenisch ungesättigte Verbindungen enthaltenden Stoffgemisch
US6395942B1 (en) 1999-08-10 2002-05-28 Uop Llc Increasing the thermal stability of a vinyl aromatic polymerization inhibitor
US6395943B1 (en) 1999-08-10 2002-05-28 Uop Llc Process for inhibiting the polymerization of vinyl aromatic compounds
US6300533B1 (en) 1999-08-16 2001-10-09 Uniroyal Chemical Company, Inc. Inhibition of polymerization of ethylenically unsaturated monomers
US6342648B1 (en) * 1999-09-30 2002-01-29 Baker Hughes Incorporated Methods and compositions for inhibiting vinyl aromatic monomer polymerization
EP1233937B1 (en) 1999-12-02 2005-10-26 Crompton Corporation Inhibition of polymerization of unsaturated monomers
AR029410A1 (es) 1999-12-02 2003-06-25 Crompton Corp Metodo para inhibir la polimerizacion prematura de monomeros etilenicamente insaturados y composiciones de los mismos
BR0016113B1 (pt) * 1999-12-03 2011-02-22 composição e método para inibir polimerização e crescimento de polìmeros.
US6403850B1 (en) 2000-01-18 2002-06-11 Uniroyal Chemical Company, Inc. Inhibition of polymerization of unsaturated monomers
US6344560B1 (en) 2000-05-03 2002-02-05 Uniroyal Chemical Company, Inc. Nitroaromatic solubilizer for nitroxyls in aromatic solvents
US6339177B1 (en) 2000-05-24 2002-01-15 Sea Lion Technology, Inc. Dinitroalkyl aromatics polymerization retarders or inhibitors and methods for making and for using same
US6447649B1 (en) 2000-07-24 2002-09-10 Ge Betz, Inc. Polymerization inhibitor for vinyl-containing materials
JP3919659B2 (ja) * 2000-08-02 2007-05-30 ユニロイヤル ケミカル カンパニー インコーポレイテッド 低温ニトロキシル含有流の再循環
CA2422655A1 (en) * 2000-10-16 2002-04-25 Uniroyal Chemical Company, Inc. Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors
US6685823B2 (en) 2000-10-16 2004-02-03 Uniroyal Chemical Company, Inc. C-nitrosoaniline compounds and their blends as polymerization inhibitors
US20030009031A1 (en) * 2001-04-30 2003-01-09 Mikolaj Jawosiuk Novel hindered spiro-ketal nitroxides
US6639026B2 (en) 2001-05-22 2003-10-28 Ge Betz, Inc. Methods and compositions for inhibiting polymerization of vinyl monomers
US6579442B2 (en) 2001-05-22 2003-06-17 Ge Betz, Inc. Methods and compositions for inhibiting polymerization of vinyl monomers
JP2003119205A (ja) * 2001-10-12 2003-04-23 Asahi Denka Kogyo Kk 重合禁止剤組成物
US6563753B1 (en) * 2001-11-16 2003-05-13 Agilent Technologies, Inc. Sense amplifier with independent write-back capability for ferroelectric random-access memories
WO2003054083A1 (de) 2001-12-20 2003-07-03 Ami - Agrolinz Melamine International Gmbh Additiv zur inhibierung von photolytischen abbaureaktionen in aminoplasten
MXPA04007952A (es) * 2002-02-15 2004-11-26 Crompton Corp Nitrosofenoles y c-nitrosoanilinas como inhibidores de polimerizacion.
US6960279B2 (en) * 2002-05-06 2005-11-01 Fina Technology, Inc. Method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared therewith
US20060069219A1 (en) * 2004-09-28 2006-03-30 Vilan Kosover Sulfonated phenols with nitrophenols as polymerization inhibitors
US7691952B2 (en) * 2004-09-28 2010-04-06 Chemtura Corporation Sulfonated nitrophenols as polymerization inhibitors
US7696290B2 (en) * 2004-12-03 2010-04-13 Crompton Corporation Aromatic sulfonic acids, amines, and nitrophenols in combination with nitroxyl radical-containing compounds or C-nitrosanilines as polymerization inhibitors
JP2006176417A (ja) * 2004-12-21 2006-07-06 Hakuto Co Ltd 芳香族ビニル化合物の重合抑制方法
JP4679144B2 (ja) * 2004-12-28 2011-04-27 伯東株式会社 ジビニルベンゼンと、スチレン又はスチレン誘導体を含む共重合体の重合抑制方法
RU2393143C2 (ru) * 2005-02-04 2010-06-27 Кемтура Корпорейшн Средства управления экзотермической реакцией стирольных мономеров с сульфоновыми кислотами
US7553896B2 (en) * 2005-06-17 2009-06-30 Chemtura Corporation Ortho-nitrosophenols as polymerization inhibitors
JP5068765B2 (ja) * 2005-12-14 2012-11-07 ノバルティス アーゲー シリコーンヒドロゲルの製造方法
CA2646342C (en) 2006-03-24 2015-02-10 Hakuto Co., Ltd. A process for inhibiting polymerization of an aromatic vinyl compound
KR101389057B1 (ko) 2006-04-13 2014-05-13 시바 홀딩 인크 설포늄 염 개시제
EP2197840B1 (en) 2007-10-10 2013-11-06 Basf Se Sulphonium salt initiators
GB0903005D0 (en) 2009-02-23 2009-04-08 Nufarm Ltd Composition for controlling polymerisation
GB201011594D0 (en) 2010-07-09 2010-08-25 Nufarm Uk Ltd Retarder composition
US9206268B2 (en) 2011-09-16 2015-12-08 General Electric Company Methods and compositions for inhibiting polystyrene formation during styrene production
CN102516005A (zh) * 2011-11-21 2012-06-27 上海泰顿化工有限公司 一种硝酰基化合物组合及用途
WO2013098846A1 (en) 2011-11-29 2013-07-04 Dorf Ketal Chemicals (India) Private Limited Amine based additive composition for control and inhibition of polymerization of styrene, and method of use thereof
MY167439A (en) 2011-12-02 2018-08-28 Dorf Ketal Chemicals India Private Ltd Amine and nitroxide based additive composition for control and inhibition of polymerization of styrene,and method of use thereof
WO2013108266A1 (en) 2011-12-09 2013-07-25 Dorf Ketal Chemicals (India) Private Limited Improved additives composition for control and inhibition of polymerization of aromatic vinyl monomers, and method of use thereof
US8901362B2 (en) 2012-02-02 2014-12-02 General Electric Company Methods and compositions for styrene inhibition via in situ generation of quinone methides
PT2912075T (pt) 2012-10-02 2017-03-23 Bluestar Silicones France Composição reticulável/polimerizável por via catiónica compreendendo um borato de iodónio e libertando um odor aceitável
EP2993164B1 (de) 2014-09-08 2017-02-15 Evonik Degussa GmbH Phenolische (Thio)Acetale als Inhibitoren der Polymerisation von olefinisch ungesättigten Monomeren
TWI669317B (zh) 2014-09-22 2019-08-21 德商贏創德固賽有限責任公司 反應性單體的改良製造方法
US10370331B2 (en) * 2017-03-09 2019-08-06 Ecolab Usa Inc. Polymerization inhibitor compositions
JP7228877B2 (ja) * 2018-12-05 2023-02-27 精工化学株式会社 重合性ビニル化合物の製造方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US465441A (en) * 1891-12-15 weisser
GB1218456A (en) * 1968-09-06 1971-01-06 Bp Chem Int Ltd Process for the stabilisation of butadiene
GB1346774A (en) * 1970-10-05 1974-02-13 Bp Chem Int Ltd Stabilisation of acrylonitrile
US3733326A (en) * 1971-03-10 1973-05-15 Sankyo Co Inhibition of the polymerization of vinyl monomers
US3988212A (en) * 1975-03-21 1976-10-26 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4086147A (en) * 1976-12-10 1978-04-25 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4105506A (en) * 1977-02-24 1978-08-08 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4132603A (en) * 1977-11-23 1979-01-02 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4132602A (en) * 1977-11-23 1979-01-02 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4252615A (en) * 1978-07-18 1981-02-24 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
JPS5846496B2 (ja) * 1979-09-07 1983-10-17 大阪有機化学工業株式会社 α，β−不飽和カルボン酸エステルのポツプコ−ン重合防止法
US4341600A (en) * 1981-04-06 1982-07-27 Cosden Technology, Inc. Polymerization inhibitor for vinyltoluene
SU1027150A1 (ru) * 1981-10-21 1983-07-07 Научно-Исследовательский Институт Механики И Физики При Саратовском Ордена Трудового Красного Знамени Государственном Университете Им.Н.Г.Чернышевского Способ стабилизации стирола или метилметакрилата
US4376678A (en) * 1982-07-29 1983-03-15 American Hoechst Corporation Method of inhibiting polymerization of vinyl aromatic compounds
US4466904A (en) * 1983-01-10 1984-08-21 Cosden Technology, Inc. Polymerization co-inhibitors for vinyl aromatic compounds
US4468343A (en) * 1983-04-11 1984-08-28 Cosden Technology, Inc. Polymerization co-inhibitors for vinyl aromatic compounds
SU1139722A1 (ru) * 1983-04-12 1985-02-15 Ереванское Отделение Охтинского Ордена Ленина И Ордена Трудового Красного Знамени Научно-Производственного Объединения "Пластполимер" Способ ингибировани полимеризации стирола
JPS6036501A (ja) * 1983-08-10 1985-02-25 Adeka Argus Chem Co Ltd ビニル重合禁止剤
US4654451A (en) * 1985-12-27 1987-03-31 Atlantic Richfield Company Inhibiting polymerization of vinyl aromatic monomers
US4664845A (en) * 1986-01-09 1987-05-12 Uniroyal Chemical Company, Inc. Phenylenediamine solubilizer for dinitrophenol in aromatic solvent
US4670131A (en) * 1986-01-13 1987-06-02 Exxon Chemical Patents Inc. Method for controlling fouling of hydrocarbon compositions containing olefinic compounds
EP0240297A1 (en) * 1986-04-01 1987-10-07 Betz Europe, Inc. Inhibiting polymerization of vinyl aromatic compounds
JPS63316745A (ja) * 1987-06-19 1988-12-26 Mitsubishi Petrochem Co Ltd 芳香族ビニル化合物の重合防止方法
SU1558888A1 (ru) * 1987-12-11 1990-04-23 Всесоюзный Научно-Исследовательский Институт Химических Реактивов И Особочистых Химических Веществ Способ ингибировани полимеризации стирола
JPH01165534A (ja) * 1987-12-22 1989-06-29 Mitsubishi Petrochem Co Ltd スチレン類の重合防止剤
US4967027A (en) * 1987-12-22 1990-10-30 Mitsubishi Petrochemical Co., Ltd. Method of inhibiting polymerization of styrenes
MX170841B (es) * 1988-09-26 1993-09-20 Goodyear Tire & Rubber Proceso mejorado para la sintesis catalizada de metacrilaminadas y acrilimidas n-substituidas
JPH02270837A (ja) * 1989-04-11 1990-11-05 Mitsui Petrochem Ind Ltd イソプロペニルアセトフェノン組成物

Also Published As

Publication number Publication date
KR940005687A (ko) 1994-03-22
DE69310044T2 (de) 1997-11-20
US5254760A (en) 1993-10-19
CN1041513C (zh) 1999-01-06
KR0177045B1 (ko) 1999-05-15
ES2101995T3 (es) 1997-07-16
SA93140161B1 (ar) 2005-06-13
TW226023B (pt) 1994-07-01
EP0581737B1 (en) 1997-04-23
AU4425093A (en) 1994-02-03
EP0581737A2 (en) 1994-02-02
JPH06166636A (ja) 1994-06-14
CA2101359C (en) 2001-03-20
AU666024B2 (en) 1996-01-25
MX9304506A (es) 1994-01-31
EP0581737A3 (en) 1995-06-21
RU2116285C1 (ru) 1998-07-27
CN1084155A (zh) 1994-03-23
CA2101359A1 (en) 1994-01-30
JP2855399B2 (ja) 1999-02-10
DE69310044D1 (de) 1997-05-28

Similar Documents

Publication Publication Date Title
BR9303023A (pt) Composicao e processo para inibir a polimerizacao prematura de um composto vinil aromatico
BR8802837A (pt) Uma composicao vinil aromatica estabilizada e processo para inibir a polimerizacao de um composto vinil aromatico
BR9203707A (pt) Compostos,composicao,emprego de compostos,processo para a fotopolimerizacao de compostos e emprego de uma composicao
BR9509777A (pt) Método para inibir polimerização prematura de monômeros aromáticos de vinila
BR8907540A (pt) Composicao de polimero e um processo para produzir a mesma
PT90531A (pt) Processo para a preparacao de composicoes para o tratamento superficial de pavimentos contendo hidrogenossiloxanos polimerizados
BR9307523A (pt) Composto de n-alquil-gliceramida processo para sua preparação e composições
BR9001308A (pt) Composicao estabilizada contra os efeitos nocivos de luz actinica e processo para estabilizar um polimero organico
BR9204428A (pt) Processo para preparacao de um catalisador pre-pilimerizado e processo para polimerizacao de uma olefina
PT101169A (pt) Processo para a preparacao de 4,5-di-hidrogeldanamicina e sua hidroquinona, hidroquinona obtida e composicao contendo um destes compostos
BR9300473A (pt) Processo para a preparacao de uma composicao de polimero de multiplos estagios
PT91954A (pt) Processo para a preparacao de uma composicao aquosa de revestimento para proteccao temporaria
BR8901261A (pt) Uma composicao inibidora de polimerizacao de compostos vinil aromaticos,uma composicao vinil aromatica inibida contra polimerizacao e um processo para inibir a polimerizacao de compostos vinil aromatico
BR9200713A (pt) Composicao,processo para estabilizar polimeros organicos,processo para a preparacao de compostos e compostos optido
BR9402692A (pt) Ester, composição, aplicação de compostos, processo para estabilizar material orgânico e processo para a preparação de um composto
BR8903358A (pt) Composicao pesticida e processo para a preparacao de um composto
BR8902915A (pt) Composicao microbicida e processo para a preparacao de compostos
BR9600340A (pt) Composto composição e processo para estabilizar um material orgânico
BR9001837A (pt) Composicao e processo para proteger uma composicao industrial de base aquosa
BR8702278A (pt) Processo para a preparacao de um composto e composicao
BR8906555A (pt) Processo para inibir a degradacao de um bisfenol
BR9303438A (pt) Processo para preparar compostos de borracha e composto de borracha assim preparado
BR9406035A (pt) Processo de preparação dos carbinóis acril-piperidine
BR9104888A (pt) Inibidor e processo para inibicao de polimerizacao de um composto vinila
BR9205077A (pt) Composicao para tratamento dos labios e processo para preparar a mesma

Legal Events

Date Code Title Description
EE Request for examination
PC Transfer

Free format text: CIBA SPECIALTY CHEMICALS HOLDING INC. - CIBA SPEZIALITAETENCHEMIE HOLDING AG - CIBA SPECIALITES CHIMIQUES HOLDING SA (CH)

HHT Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication

Free format text: TRANSFERIDO DE: CIBA-GEIGY AG. REFERENCIA RPI NO 1471 DE 16/03/99 - CODIGO 25.1 - ITEM (71)

FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
PC Transfer

Free format text: NALCO/EXXON ENERGY CHEMICALS L.P. (US)

HKT Transfer or change (deleted)
TC Change of name
PC Transfer

Free format text: NALCO/EXXON ENERGY CHEMICALS L.P. (US)

FG9A Patent or certificate of addition granted
B25D Requested change of name of applicant approved
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 28/07/2013