[go: up one dir, main page]

BR9201209A - Composicao de reticulacao,emulsao aquosa,composicao de polimero,processo para reticulacao de um polimero e processo para a preparacao de um material oligomerico ou polimerico - Google Patents

Composicao de reticulacao,emulsao aquosa,composicao de polimero,processo para reticulacao de um polimero e processo para a preparacao de um material oligomerico ou polimerico

Info

Publication number
BR9201209A
BR9201209A BR929201209A BR9201209A BR9201209A BR 9201209 A BR9201209 A BR 9201209A BR 929201209 A BR929201209 A BR 929201209A BR 9201209 A BR9201209 A BR 9201209A BR 9201209 A BR9201209 A BR 9201209A
Authority
BR
Brazil
Prior art keywords
grinding
polymer
composition
oligomeric
preparing
Prior art date
Application number
BR929201209A
Other languages
English (en)
Inventor
Laurentius Cornelis Hesselmans
Johanna Antonia Mari Goorberch
Original Assignee
Stahl Holland Bv
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 Stahl Holland Bv filed Critical Stahl Holland Bv
Publication of BR9201209A publication Critical patent/BR9201209A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/285—Nitrogen containing compounds
    • C08G18/2865—Compounds having only one primary or secondary amino group; Ammonia
    • C08G18/287—Imine compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0025—Crosslinking or vulcanising agents; including accelerators
    • 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
    • C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Silicon Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Paper (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR929201209A 1991-04-03 1992-04-03 Composicao de reticulacao,emulsao aquosa,composicao de polimero,processo para reticulacao de um polimero e processo para a preparacao de um material oligomerico ou polimerico BR9201209A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9100578A NL9100578A (nl) 1991-04-03 1991-04-03 Multifunctionele waterdispergeerbare verknopingsmiddelen.

Publications (1)

Publication Number Publication Date
BR9201209A true BR9201209A (pt) 1992-12-01

Family

ID=19859090

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929201209A BR9201209A (pt) 1991-04-03 1992-04-03 Composicao de reticulacao,emulsao aquosa,composicao de polimero,processo para reticulacao de um polimero e processo para a preparacao de um material oligomerico ou polimerico

Country Status (17)

Country Link
US (1) US5258481A (pt)
EP (1) EP0507407B1 (pt)
JP (1) JPH05117221A (pt)
KR (1) KR0169142B1 (pt)
AT (1) ATE139245T1 (pt)
BR (1) BR9201209A (pt)
CA (1) CA2065082C (pt)
DE (1) DE69211403T2 (pt)
DK (1) DK0507407T3 (pt)
ES (1) ES2092622T3 (pt)
GR (1) GR3021029T3 (pt)
HU (1) HUT65861A (pt)
NL (1) NL9100578A (pt)
RU (1) RU2139852C1 (pt)
SG (1) SG48023A1 (pt)
TW (1) TW200509B (pt)
ZA (1) ZA922476B (pt)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276166A (en) * 1991-12-30 1994-01-04 Ppg Industries, Inc. Polyazetidinol containing materials
JPH05247406A (ja) * 1992-03-05 1993-09-24 Sanyo Chem Ind Ltd 塗料用樹脂組成物
US5439969A (en) * 1993-04-21 1995-08-08 James A. Bolton Substrate-reactive coating composition
US5574083A (en) * 1993-06-11 1996-11-12 Rohm And Haas Company Aromatic polycarbodiimide crosslinkers
GB9418329D0 (en) * 1994-09-12 1994-11-02 Stahl International Bv Functionalised polymers
US5936043A (en) 1995-12-22 1999-08-10 Rohm And Haas Company Polymers crosslinkable with aliphatic polycarbodiimides
JP3518149B2 (ja) * 1996-02-29 2004-04-12 日清紡績株式会社 水性プレコートメタル用塗料
US5821294A (en) * 1996-08-30 1998-10-13 National Starch And Chemical Investment Holding Corporation Water-based laminating adhesives
US5885662A (en) † 1997-01-31 1999-03-23 Atoma International, Inc. Decorative automotive interior trim articles with integral light stable polyurethane elastomer covering and process for making the same
US6063890A (en) * 1998-07-01 2000-05-16 Basf Corporation Polycarbodiimide polymers and their use as adhesive intermediate layers in automotive coatings
DE19837377A1 (de) * 1998-08-18 2000-02-24 Basf Ag Latent vernetzende wässerige Dispersionen enthaltend ein Polyurethan
DE60030449T2 (de) * 1999-07-28 2007-02-22 Nof Corp. Medizinisches Material und Verfahren zur Herstellung desselben
US6541550B1 (en) * 2000-04-05 2003-04-01 3M Innovative Properties Company Low temperature thermally activated water-dispersed adhesive compositions
EP1598400A3 (en) * 2000-06-05 2008-03-19 Rohm and Haas Company Wear-resistant coating composition and method of producing A coating
US6566437B2 (en) * 2000-06-05 2003-05-20 Rohm And Haas Company Wear-resistant coating composition and method of producing a coating
US6709758B2 (en) * 2001-11-09 2004-03-23 Lord Corporation Room temperature curable X-HNBR coating
AU2002311389B2 (en) * 2001-12-13 2008-01-31 Rohm And Haas Company Crosslinkable composition
US6777026B2 (en) * 2002-10-07 2004-08-17 Lord Corporation Flexible emissive coatings for elastomer substrates
US7951452B2 (en) * 2002-09-30 2011-05-31 Kuraray Co., Ltd. Suede artificial leather and production method thereof
NL1023817C2 (nl) * 2003-07-03 2005-01-04 Stahl Int Bv Werkwijze voor de bereiding van stabiele polycarbodiimide dispersies in water, welke geen organische oplosmiddelen bevatten en als vernettingsmiddel kunnen worden gebruikt.
US7425062B2 (en) * 2003-11-12 2008-09-16 E.I. Du Pont De Nemours And Company Inkjet ink, ink set and method of printing
DE102004011833A1 (de) * 2004-03-09 2005-09-29 Basf Ag Carbodiimide mit Thiocarbamidsäureestergruppen
DE102004024196A1 (de) 2004-05-13 2005-12-01 Basf Ag Carbodiimide enthaltend Harnstoffgruppen und Silangruppen
DE102004024204A1 (de) * 2004-05-13 2005-12-08 Basf Ag Kunststoffe enthaltend Carbodiimid
JP2006035190A (ja) * 2004-07-30 2006-02-09 Nisshinbo Ind Inc 硬化塗膜の製造方法
DE102004050746A1 (de) * 2004-10-19 2006-04-20 Basf Coatings Ag Hochkratzfeste und hochelastische Beschichtungsmittel auf Basis von Alkoxysilan-funktionellen Komponenten
NL1031053C2 (nl) * 2006-02-02 2007-08-03 Stahl Int Bv Werkwijze voor de bereiding van dispersies van vernettingsmiddelen in water.
CA2992243C (en) 2007-10-19 2021-01-12 Lord Corporation Suspension system for aircraft auxiliary power unit with elastomeric member
WO2010114899A1 (en) 2009-03-31 2010-10-07 Sun Chemical Corporation Substrate printed with a water-based urethane printing ink with improved performance properties
DE102009049630A1 (de) 2009-10-15 2011-04-21 Bayer Materialscience Ag NMP-freie Beschichtungen für den Automobilinnenraum
SI2488563T1 (sl) 2009-10-15 2015-08-31 Bayer Intellectual Property Gmbh Uporaba NMP-prostih oplaščenj za notranjost vozil
DE102010015246A1 (de) 2010-04-15 2011-10-20 Bayer Materialscience Ag NMP-freie Beschichtungen für den Automobilinnenraum
US8900667B2 (en) * 2009-12-18 2014-12-02 Ppg Industries Ohio, Inc. One-component, ambient curable waterborne coating compositions, related methods and coated substrates
US20110217471A1 (en) * 2010-03-02 2011-09-08 Schwendeman Irina G One-component, ambient curable waterborne coating compositions, related methods and coated substrates
NL2005163C2 (nl) * 2010-07-28 2012-01-31 Stahl Int Bv Werkwijze voor de bereiding van multifunctionele polycarbodiimides, welke gebruikt worden als vernettingsmiddel.
WO2012126797A2 (de) 2011-03-18 2012-09-27 Basf Se Verwendung oligomerer carbodiimide als stabilisatoren
US8623945B2 (en) 2011-03-18 2014-01-07 Basf Se Use of oligomeric carbodiimides as stabilizers
CN103946291A (zh) 2011-11-17 2014-07-23 巴斯夫欧洲公司 用于缩聚物的水解稳定的添加剂
CN104487509B (zh) 2012-05-24 2016-05-04 巴斯夫欧洲公司 水性粘合剂组合物
EP2803660A1 (de) * 2013-05-13 2014-11-19 Rhein Chemie Rheinau GmbH Neue Carbodiimide mit endständigen Harnstoff- und/oder Urethangruppen, Verfahren zu deren Herstellung und deren Verwendung
KR20160124804A (ko) 2014-02-20 2016-10-28 바스프 에스이 후-개질된 폴리카르보디이미드
KR102479041B1 (ko) * 2014-08-11 2022-12-16 루브리졸 어드밴스드 머티어리얼스, 인코포레이티드 산업 및 건축 용도를 위한 수성 코폴리머 코팅 조성물
CA2986417C (en) 2015-05-30 2022-11-08 Dpoint Technologies Inc. Supported water vapor transport membrane comprising polyethylene oxide copolymer
CN105062024B (zh) * 2015-09-23 2016-07-20 深圳市绿糖科技有限公司 高透明高耐温聚乳酸复合材料及其制备方法
JP2017160423A (ja) * 2016-03-03 2017-09-14 三洋化成工業株式会社 インクジェットインク用ポリウレタン樹脂水分散体
TWI841234B (zh) 2017-04-28 2024-05-01 美商盧伯利索先進材料有限公司 消光聚醯胺-pud
JP2021521256A (ja) 2018-05-03 2021-08-26 エイチエフシー・プレステージ・インターナショナル・ホールディング・スウィッツァーランド・エスアーエールエル 多成分組成物
US11999810B2 (en) 2018-07-05 2024-06-04 Basf Se Process for producing an aqueous polymer dispersion
US12201714B2 (en) 2018-07-06 2025-01-21 Wella International Operations Switzerland Sàrl Multicomponent pur composition
WO2020008073A2 (en) 2018-07-06 2020-01-09 Hfc Prestige International Holding Switzerland S.A.R.L Multicomponent composition
JP2021530473A (ja) 2018-07-06 2021-11-11 エイチエフシー・プレステージ・インターナショナル・ホールディング・スウィッツァーランド・エスアーエールエル 毛髪着色組成物ならびにその塗布および除去のための方法
JP2021533089A (ja) 2018-07-06 2021-12-02 ウエラ インターナショナル オペレーションズ スウィッツァーランド エスエーアールエルWella International Operations Switzerland Sarl 多成分シリコーン組成物
ES2982030T3 (es) * 2018-07-23 2024-10-14 Covestro Netherlands Bv Compuesto multiaziridínico
EP3890683A1 (en) 2018-12-03 2021-10-13 HFC Prestige International Holding Switzerland S.a.r.l. Multicomponent in situ coloration composition
KR102859354B1 (ko) * 2019-03-05 2025-09-12 닛신보 케미칼 가부시키가이샤 수성 수지 가교제, 수성 수지 가교제 함유액 및 수성 수지 조성물
CN113840848B (zh) 2019-05-08 2023-10-03 巴斯夫欧洲公司 水性聚合物胶乳
JP7413771B2 (ja) * 2019-12-25 2024-01-16 日清紡ケミカル株式会社 水性樹脂用架橋剤組成物および水性樹脂組成物
US12281072B2 (en) 2020-01-22 2025-04-22 Covestro (Netherlands) B.V. Multi-aziridine compound
EP3885387A1 (de) * 2020-03-25 2021-09-29 Covestro Deutschland AG Polyisocyanat-basierte polyadditionsverbindungen mit fünfgliedrigen cyclischen iminoether-strukturelementen
US20220016017A1 (en) 2020-06-30 2022-01-20 Hfc Prestige Service Germany Gmbh Color coatings with downstream features
CA3182056A1 (en) 2020-07-01 2022-01-06 David N. Walters Methods of preparing coated substrates and non-aqueous, curable film-forming compositions used therefor
KR20230041759A (ko) 2020-07-20 2023-03-24 바스프 에스이 수계 코팅 조성물에서 결합제로서 적합한 필름-형성 공중합체의 수성 중합체 라텍스
EP3985046A1 (en) 2020-10-15 2022-04-20 Essilor International Crosslinked gel formulation
WO2022161998A1 (en) 2021-01-26 2022-08-04 Basf Se Aqueous polymer latex
US12435239B2 (en) 2021-02-18 2025-10-07 Ppg Industries Ohio, Inc. Coating compositions and methods including carbodiimides
FR3125423B1 (fr) 2021-07-23 2024-04-26 Oreal Composition cosmétique comprenant au moins un composé (poly)carbodiimide et au moins un alcoxysilane aminé
CN117794992A (zh) 2021-08-04 2024-03-29 巴斯夫欧洲公司 用于对水性聚合物胶乳进行改性方法
NL2028984B1 (en) 2021-08-18 2023-02-24 Stahl Int B V Process for the preparation of polycarbodiimides with aziridine functions, which may be used as crosslinking agent.
CN118055984A (zh) 2021-10-04 2024-05-17 巴斯夫欧洲公司 水性聚合物组合物作为多孔材料的着色剂的用途
TW202432614A (zh) 2022-11-18 2024-08-16 德商巴斯夫歐洲公司 適合作為水基性塗料組成物中之黏結劑之成膜共聚物之水性聚合物乳膠
TW202502831A (zh) 2023-03-24 2025-01-16 德商巴斯夫歐洲公司 適合作為水性塗料組成物中黏合劑的成膜共聚物的水性聚合物膠乳
TW202509091A (zh) 2023-08-16 2025-03-01 德商巴斯夫歐洲公司 適合作為水性塗料組成物中之黏合劑之共聚物之含水聚合物乳膠
WO2025125496A1 (en) 2023-12-13 2025-06-19 Basf Se Aqueous polymer latex of copolymers suitable as binder in waterborne coating compositions
WO2025132646A1 (en) 2023-12-19 2025-06-26 Basf Se Waterborne coating compositions requiring reduced amounts of biocides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1244589A (en) * 1983-02-24 1988-11-08 Union Carbide Corporation Low-temperature crosslinking of water-borne resins
US4820863A (en) * 1986-03-31 1989-04-11 Union Carbide Corporation Surface active polycarbodiimides
KR930003015B1 (ko) * 1986-12-30 1993-04-16 유니온 카바이드 코포레이션 계면활성 폴리카보디이미드
AU1010488A (en) * 1987-01-09 1988-07-14 Union Carbide Corporation Polyfunctional carbodiimides having particular structures

Also Published As

Publication number Publication date
GR3021029T3 (en) 1996-12-31
KR0169142B1 (ko) 1999-03-20
RU2139852C1 (ru) 1999-10-20
KR920019835A (ko) 1992-11-20
ATE139245T1 (de) 1996-06-15
CA2065082A1 (en) 1992-10-04
HK1002496A1 (en) 1998-08-28
ES2092622T3 (es) 1996-12-01
DK0507407T3 (da) 1996-12-30
US5258481A (en) 1993-11-02
JPH05117221A (ja) 1993-05-14
CA2065082C (en) 1997-04-29
DE69211403D1 (de) 1996-07-18
SG48023A1 (en) 1998-04-17
EP0507407B1 (en) 1996-06-12
NL9100578A (nl) 1992-11-02
TW200509B (pt) 1993-02-21
EP0507407A1 (en) 1992-10-07
HU9201130D0 (en) 1992-06-29
HUT65861A (en) 1994-07-28
ZA922476B (en) 1992-12-30
DE69211403T2 (de) 1997-02-20

Similar Documents

Publication Publication Date Title
BR9201209A (pt) Composicao de reticulacao,emulsao aquosa,composicao de polimero,processo para reticulacao de um polimero e processo para a preparacao de um material oligomerico ou polimerico
DE69319374D1 (de) Harz enthaltende kosmetische Emulsion und Verfahren zur Herstellung
PT94364A (pt) Processo para a preparacao de composicoes de misturas de base polimerica contendo amido desestruturado
ATE64743T1 (de) Waesserige emulsionen von organopolysiloxan und verwendung solcher emulsionen.
DE59008122D1 (de) Emulgatoren zur Herstellung von lagerstabilen, wässrigen Polysiloxan-bzw. Polysiloxan-Paraffinöl-Emulsionen.
ES2090607T3 (es) Maquinillas de afeitar de seguridad.
DE3783806D1 (de) Verfahren zur herstellung von dispersionen von polymerverkapselten farbstoffen bzw. pigmenten.
NO902676L (no) Blandinger paa basis av polymer og destrukturisert stivelse
AU1742683A (en) Grinding process using acrylic polymer grinding agent
ATE7395T1 (de) Feste, in wasser dispergierbare, isocyanatgruppen aufweisende kunststoffvorlaeufer und verfahren zur herstellung von waessrigen kunststoffdispersionen unter verwendung dieser kunststoffvorlaeufer.
NO950141D0 (no) Herdbare olje-i-vann-emulsjoner, fremgangsmåte for fremstilling, samt anvendelse av emulsjonene
FI843494A0 (fi) Biopolymerformationer och deras framstaellningsfoerfaranden.
ATE89576T1 (de) Organosole von organopolysiloxanen und verfahren zu ihrer herstellung.
PT691993E (pt) Processo para a preparacao de emulsoes aquosas de oleos e/ou de gomas e/ou de resinas (poli)isocianatos vantajosamente mascarados e emulsoes obtidas
NO180682C (no) Blanding som omfatter tverrbundne anioniske eller amfotære, organiske polymere mikropartikler, samt fremstilling av blandingen
BR9400485A (pt) Emprego de um co-polímero, processo para a fabricação de emulsões aquosas, emulsão aquosa e seu emprego
AU3486689A (en) Dressings
DE3380809D1 (en) Composition and process for the dyeing of hair
ATE76895T1 (de) Zusammensetzung zur veredlung von geweben.
ATE36443T1 (de) Verfahren zur herstellung von quellmittel enthaltenden pflanzenschutzmitteldispersionen.
ATE142218T1 (de) Umsetzungsprodukte von phosphiten, chinonen und isocyanaten enthaltende zusammensetzungen

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
PC Transfer

Free format text: STAHL INTERNATIONAL B.V. (NL)

FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25M Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]

Free format text: ANOTADO O GRAVAME - CONTRATO DE GARANTIA DE PROPRIEDADE INTELECTUAL CELEBRADO ENTRE O TITULAR E CHASE MANHATTAN INTERNATIONAL LIMITED, CONFORME REQUERIDO NA PETICAO N 006547/RJ DE 20020205, DE ACORDO COM O ART. 59 II DA LPI.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/04/2012