BR9507907A - Composição de mistura elastomérica termoplástica e método para produzir um artigo fabricado na forma de uma pelicula - Google Patents

Composição de mistura elastomérica termoplástica e método para produzir um artigo fabricado na forma de uma pelicula

Info

Publication number
BR9507907A
BR9507907A BR9507907A BR9507907A BR9507907A BR 9507907 A BR9507907 A BR 9507907A BR 9507907 A BR9507907 A BR 9507907A BR 9507907 A BR9507907 A BR 9507907A BR 9507907 A BR9507907 A BR 9507907A
Authority
BR
Brazil
Prior art keywords
producing
film
composition
article made
thermoplastic elastomeric
Prior art date
Application number
BR9507907A
Other languages
English (en)
Inventor
Stephen R Betso
Martin J Guest
Peter F Van Den Berghen
Antonio Batistini
Wasif K Ahmed
Thoi H Ho
George W Knight
Deepak R Parikh
Rajen M Patel
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR9507907A publication Critical patent/BR9507907A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D153/00Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
    • C09D153/02Vinyl aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02Vinyl aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00Polymer mixtures characterised by way of preparation
    • C08L2314/06Metallocene or single site catalysts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/04Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
BR9507907A 1994-06-01 1995-06-01 Composição de mistura elastomérica termoplástica e método para produzir um artigo fabricado na forma de uma pelicula BR9507907A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25248994A 1994-06-01 1994-06-01
US29823894A 1994-08-29 1994-08-29
PCT/US1995/006903 WO1995033006A1 (en) 1994-06-01 1995-06-01 Thermoelastic blend compositions

Publications (1)

Publication Number Publication Date
BR9507907A true BR9507907A (pt) 1997-09-16

Family

ID=26942362

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9507907A BR9507907A (pt) 1994-06-01 1995-06-01 Composição de mistura elastomérica termoplástica e método para produzir um artigo fabricado na forma de uma pelicula

Country Status (12)

Country Link
US (2) US6184291B1 (pt)
EP (1) EP0767814B1 (pt)
JP (1) JP3191054B2 (pt)
KR (1) KR100347462B1 (pt)
CN (1) CN1068024C (pt)
AU (1) AU2815895A (pt)
BR (1) BR9507907A (pt)
CA (1) CA2191470C (pt)
DE (1) DE69511699T2 (pt)
ES (1) ES2135750T3 (pt)
MX (1) MX9605982A (pt)
WO (1) WO1995033006A1 (pt)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2172552T3 (es) * 1994-11-17 2002-10-01 Kraton Polymers Res Bv Mezclas de copolimeros de bloques y poliolefinas con metaloceno.
USH1798H (en) * 1994-12-22 1999-07-06 Shell Oil Company Soft compounds containing elastomeric metallocene polyolefins and styrenic block copolymers
AU736658B2 (en) * 1996-03-08 2001-08-02 Dow Global Technologies Inc. Substantially linear ethylene/alpha-olefin polymers as viscosity index improvers or gelling agents
US5885908A (en) * 1996-10-04 1999-03-23 Minnesota Mining And Manufacturing Co. Anisotropic elastic films
US5741857A (en) * 1996-10-15 1998-04-21 The Dow Chemical Company Blends of elastomer block copolymer and aliphatic α-olefin/monovinylidene aromatic monomer and/or hindered aliphatic vinylidene monomer interpolymer
EP1241224A1 (en) * 1996-11-29 2002-09-18 Riken Technos Corporation Thermoplastic elastomeric resin composition
SG55445A1 (en) * 1997-01-07 1998-12-21 Denki Kagaku Kogyo Kabushili K Block copolymer block copolymer compostion and heat shrinkable films made thereof
AR012582A1 (es) * 1997-04-14 2000-11-08 Dow Global Technologies Inc Composiciones polimericas de elongacion mejorada y formulaciones adhesivas de fusion en caliente que incluyen dicha composicion
AU730493B2 (en) * 1997-10-15 2001-03-08 Minnesota Mining And Manufacturing Company Anisotropic elastic films and webs
US6060009A (en) * 1998-02-18 2000-05-09 3M Innovative Properties Company Method of laminate formation
US6359068B1 (en) 1998-02-18 2002-03-19 3M Innovative Properties Company High-friction polymer blends comprising polypropylene and thermoplastic block copolymers
JP2002503614A (ja) * 1998-02-18 2002-02-05 ミネソタ マイニング アンド マニュファクチャリング カンパニー ポリマーブレンドを含む高摩擦ロール被覆
US6270910B1 (en) 1998-04-03 2001-08-07 3M Innovative Properties Company Anisotropic film
US6376095B1 (en) * 1998-06-11 2002-04-23 The Dow Chemical Company Elastic films made from alpha-olefin/vinyl aromatic and/or aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
JP2002517583A (ja) * 1998-06-11 2002-06-18 ザ ダウ ケミカル カンパニー アルファオレフィン/ビニル芳香族及び/又は脂肪族又は脂環式ビニル又はビニリデンインターポリマーから作られた永久折り目特性を有するフィルム
CN1312844A (zh) 1998-06-30 2001-09-12 H·B·富勒许可和金融公司 含有均相乙烯共聚体和嵌段共聚物的热熔胶粘剂组合物
US6258868B1 (en) * 1999-03-15 2001-07-10 Gerro Plast Gmbh Foam material
MY133783A (en) * 1999-07-28 2007-11-30 Dow Global Technologies Inc Hydrogenated block polymers having elasticity and articles made therefrom
US6777082B2 (en) 1999-07-28 2004-08-17 The Dow Chemical Company Hydrogenated block copolymers having elasticity and articles made therefrom
WO2001025331A1 (en) * 1999-10-06 2001-04-12 Kraton Polymers Research B.V. Footwear made from a thermoplastic elastomer composition having a dull look
DE60102943T2 (de) * 2000-01-07 2004-09-02 Nipro Corp. Nicht klebriger medizinischer Schlauch
US6379791B1 (en) 2000-02-08 2002-04-30 3M Innovative Properties Company Compatibilized pressure-sensitive adhesives
AU2000266138A1 (en) 2000-05-11 2001-11-20 The Dow Chemical Company Method of making elastic articles having improved heat-resistance
US7105600B2 (en) 2000-08-14 2006-09-12 Kuraray Co., Ltd. Polymer composition
US6869653B2 (en) * 2001-01-08 2005-03-22 Baxter International Inc. Port tube closure assembly
US6864195B2 (en) * 2002-08-15 2005-03-08 Bfs Diversified Products, Llc Heat weldable roofing membrane
ES2399364T3 (es) 2002-10-02 2013-03-27 Dow Global Technologies Llc Composiciones poliméricas que comprenden un extendedor de etileno/alfa-olefina homogéneamente ramificado, de baja viscosidad
US20040122409A1 (en) * 2002-12-23 2004-06-24 Thomas Oomman Painumoottil Enhanced elastomer blend
US7101628B2 (en) * 2003-03-20 2006-09-05 Bfs Diversified Products, Llc Thermoplastic vulcanizate and membrane for covering a roof made therefrom
US20060154998A1 (en) * 2003-06-27 2006-07-13 Mitsui Chemicals, Inc. Resin composition for foam and use thereof
ATE459738T1 (de) * 2003-07-09 2010-03-15 Dow Global Technologies Inc Fasern aus blockcopolymer
ATE512194T1 (de) * 2004-03-17 2011-06-15 Mitsui Chemicals Inc Harzzusammensetzung und daraus hergestellter formkörper
US7404613B2 (en) * 2004-06-30 2008-07-29 Lexmark International, Inc. Inkjet print cartridge having an adhesive with improved dimensional control
CN100365054C (zh) * 2005-09-09 2008-01-30 浙江大学 原位增容聚苯乙烯/聚烯烃弹性体共混合金及制备工艺
US20070289164A1 (en) * 2006-06-16 2007-12-20 Future Chem International Co., Ltd Footwear having novel shoe upper
US20080115825A1 (en) 2006-09-20 2008-05-22 Patel Rajen M Electronic Device Module Comprising an Ethylene Multi-Block Copolymer
US8581094B2 (en) 2006-09-20 2013-11-12 Dow Global Technologies, Llc Electronic device module comprising polyolefin copolymer
JP5284109B2 (ja) * 2007-01-29 2013-09-11 株式会社クラレ 樹脂組成物及び多層構造体
WO2011008582A1 (en) 2009-07-14 2011-01-20 Dow Global Technologies Inc. Vacuum thermoformed, extruded sheeting with improved reduced gloss
RU2545022C2 (ru) * 2010-09-17 2015-03-27 Сэнт-Гобен Перформанс Пластикс Корпорейшн Гибкая трубка и изделие
US9670353B2 (en) 2012-12-31 2017-06-06 Dow Global Technologies Llc Thermoplastic vulcanizate with crosslinked olefin block copolymer
JP6201693B2 (ja) * 2013-11-29 2017-09-27 日本ゼオン株式会社 環状オレフィン樹脂−銅接着用接着剤および積層体
CN103771766B (zh) * 2013-12-27 2017-04-19 上海浦东路桥建设股份有限公司 一种受热恢复变形的沥青混合料及其制备方法
BR112016018641B1 (pt) 2014-02-24 2021-06-22 Dow Global Technologies Llc Poliolefina termoplástica com brilho reduzido para piso sem carpete
KR101612925B1 (ko) 2014-06-11 2016-04-19 김명수 기어측정기의 측정 헤드 시스템 및 제어 방법
KR101640427B1 (ko) 2014-06-11 2016-08-09 기어테크 주식회사 기어측정기의 측정 헤드
CN104846692A (zh) * 2015-04-27 2015-08-19 苏州斯迪克新材料科技股份有限公司 用于压纹离型纸的制造方法
AR104645A1 (es) * 2015-05-29 2017-08-02 Dow Global Technologies Llc Composición adhesiva para película de múltiples capas que puede volver a cerrarse
US9999815B2 (en) 2015-12-09 2018-06-19 Eaton Intelligent Power Limited Lightweight multicolor compression molded grip
EP3559108A4 (en) 2016-12-22 2020-09-02 Bemis Company, Inc. PACKAGING FILMS WITH IMPROVED HOT ADHESIVE PERFORMANCE
CN108530914A (zh) * 2018-03-29 2018-09-14 宁夏睿泰天成新材料科技有限公司 一种smc超薄磨耗层沥青增粘改性剂

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231635A (en) * 1963-10-07 1966-01-25 Shell Oil Co Process for the preparation of block copolymers
CA849081A (en) 1967-03-02 1970-08-11 Du Pont Of Canada Limited PRODUCTION OF ETHYLENE/.alpha.-OLEFIN COPOLYMERS OF IMPROVED PHYSICAL PROPERTIES
GB2007685B (en) 1977-10-11 1982-05-12 Asahi Dow Ltd Composition for drawn film cold drawn film made of said composition and process for manufacture of said film
JPS54120646A (en) 1978-03-14 1979-09-19 Denki Kagaku Kogyo Kk Heat-sealable film
JPS54120658A (en) 1978-03-14 1979-09-19 Denki Kagaku Kogyo Kk Resin composition
JPS5920557B2 (ja) * 1978-06-29 1984-05-14 電気化学工業株式会社 包装体
US4509821A (en) 1981-09-10 1985-04-09 Sun Tech, Inc. Filling material for electric cable
US4479989A (en) * 1982-12-02 1984-10-30 Cutter Laboratories, Inc. Flexible container material
JPS6088016A (ja) * 1983-10-21 1985-05-17 Mitsui Petrochem Ind Ltd エチレン共重合体
JPS62112644A (ja) * 1985-11-11 1987-05-23 Nippon Petrochem Co Ltd 軟質ポリオレフイン系組成物
US5091471A (en) 1989-01-17 1992-02-25 Bridgestone/Firestone, Inc. Elastomer blends having improved extrusion resistance and method for the preparation thereof
US5216074A (en) 1989-07-17 1993-06-01 Japan Synthetic Rubber Co., Ltd. Thermoplastic elastomer composition
US5260126A (en) * 1990-01-10 1993-11-09 Kimberly-Clark Corporation Low stress relaxation elastomeric nonwoven webs and fibers
US5093422A (en) * 1990-04-23 1992-03-03 Shell Oil Company Low stress relaxation extrudable elastomeric composition
US5272236A (en) * 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
WO1992008764A1 (en) 1990-11-16 1992-05-29 Eastman Kodak Company Elastomeric composition
FI90209C (fi) 1991-04-09 1994-01-10 Autorobot Finland Oikaisupuomi
US5278272A (en) * 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
WO1994006859A1 (en) * 1992-09-15 1994-03-31 The Dow Chemical Company Impact modification of thermoplastics
KR100307699B1 (ko) * 1993-02-03 2001-11-30 엑손 케미칼 패턴츠 인코포레이티드 열가소성엘라스토머공중합체필름
US5288762A (en) * 1993-04-28 1994-02-22 The Dow Chemical Company Cross-linked ethylenic polymer foam structures and process for making
US5340840A (en) * 1993-03-18 1994-08-23 The Dow Chemical Company Foam structures of ethylenic polymer material having enhanced toughness and elasticity and process for making
WO1994025515A1 (en) * 1993-04-28 1994-11-10 The Dow Chemical Company Process for making cross-linked ethylenic polymer foam structures
WO1995027756A1 (en) 1994-04-08 1995-10-19 Esposito Anthony S Jr Elastomer

Also Published As

Publication number Publication date
ES2135750T3 (es) 1999-11-01
JP3191054B2 (ja) 2001-07-23
JPH10501285A (ja) 1998-02-03
CN1068024C (zh) 2001-07-04
DE69511699D1 (de) 1999-09-30
AU2815895A (en) 1995-12-21
KR100347462B1 (ko) 2002-11-13
KR970703392A (ko) 1997-07-03
EP0767814B1 (en) 1999-08-25
EP0767814A1 (en) 1997-04-16
US6184290B1 (en) 2001-02-06
CA2191470A1 (en) 1995-12-07
DE69511699T2 (de) 1999-12-23
CN1151750A (zh) 1997-06-11
MX9605982A (es) 1998-06-30
US6184291B1 (en) 2001-02-06
CA2191470C (en) 2002-12-17
WO1995033006A1 (en) 1995-12-07

Similar Documents

Publication Publication Date Title
BR9507907A (pt) Composição de mistura elastomérica termoplástica e método para produzir um artigo fabricado na forma de uma pelicula
BR9509794A (pt) Composição de látex de borracha natural película de látex e processo para a produção de película de látex
BR9510656A (pt) Composição de poliol polimérico processo para a fabricação de uma composição de poliol polimérico composição para a preparação de uma espuma de poliuretano e espuma de poliuretano
DE69509087D1 (de) Verfahren zur herstellung von absorbierenden artikeln mit einwärts gebogenen dichten beinrändern
BR9509743A (pt) Processo para a preparação de espumas flexíveis composição e artigo absorvente
BR9006456A (pt) Processo para a preparacao de uma estrutura de filme de camadas multiplas laminado e mistura de polimero termoplastico
BR9612274A (pt) Composição de material artigo laminado e processo para preparar uma mistura
BR8800922A (pt) Processo para a preparacao de uma composicao de resina termoplastica
DE69729132D1 (de) Thermoplastisch elastomerische Harzzusammensetzung und Verfahren zu deren Herstellung
BR9400646A (pt) Composição elastomérica, e, processo para a preparação de elastômeros termoplásticos
TR28567A (tr) Temizleyici bilesimlerde genlesme viskozitesi gelistirmeye mahsus yöntem ve bilesim
DE69418293D1 (de) Etikette mit reflektierenden Druckschicht und Verfahren zur Herstellung derselben
DE69724465D1 (de) Würfelecken-rückstrahlfolie, giessformen dafür, und verfahren zur herstellung derselben
DE69223877D1 (de) Beschichtete Bauteile mit pulvergerüststrukturiertem Film und Verfahren zur ihrer Herstellung
BR9405916A (pt) Composição detergente sólida na forma de pastilhas de material detergente granular comprimido processo para a fabricação de uma composição detergente sólido e uso da composição
BR9605352A (pt) Processo para a produção "in situ" de uma mistura de polietileno
EP0770645A3 (en) Thermoplastic elastomer composition and a process for its manufacture
BR9302418A (pt) Composicao adesiva re-polpavel e processo para a producao de uma composicao adesiva re-polpavel de multiplos componentes
BR9602718A (pt) Composição de fosfeto metálico para a produção de fosfina uso de um fosfeto metálico e processo para fabricação de uma composição de fosfeto metálico
ATE336368T1 (de) Absorbierendes folienmaterial mit schnittfesten partikeln und verfahren zu dessen herstellung
BR9402722A (pt) Equipamento e método para fazer em uma tira de filme plástico e tira de material estirável
BR9610904A (pt) Composição inseticida na forma de uma emulsão água-em-óleo aerossol e processo de extinção de insetos que entram em contato com uma superfície polimérica sintética
BR8805162A (pt) Processo para a preparacao de uma composicao de resina termoplastica
BR9606501A (pt) Processo para produzir uma composição elastomérica curável composição uso da composição e artigo moldado
HUP9800846A3 (en) Vulcanizable partly cured compatilized elastomeric composition and process for making thereof

Legal Events

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

Owner name: DOW GLOBAL TECHNOLOGIES INC. (US)

FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 01/06/2015