BR112017002974A2 - revestimentos curáveis por radiação actínica monocromática para fibra óptica - Google Patents

revestimentos curáveis por radiação actínica monocromática para fibra óptica

Info

Publication number
BR112017002974A2
BR112017002974A2 BR112017002974A BR112017002974A BR112017002974A2 BR 112017002974 A2 BR112017002974 A2 BR 112017002974A2 BR 112017002974 A BR112017002974 A BR 112017002974A BR 112017002974 A BR112017002974 A BR 112017002974A BR 112017002974 A2 BR112017002974 A2 BR 112017002974A2
Authority
BR
Brazil
Prior art keywords
monochrome
radiation curable
actinic radiation
fiber optics
curable coatings
Prior art date
Application number
BR112017002974A
Other languages
English (en)
Other versions
BR112017002974B1 (pt
Inventor
Cao Huimin
Ren Kangtai
Original Assignee
Dsm Ip Assets 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 Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Publication of BR112017002974A2 publication Critical patent/BR112017002974A2/pt
Publication of BR112017002974B1 publication Critical patent/BR112017002974B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres
    • C03C25/1065—Multiple coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/285—Acrylic resins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/326—Polyureas; Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
    • C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
    • C08F216/125—Monomers containing two or more unsaturated aliphatic radicals, e.g. trimethylolpropane triallyl ether or pentaerythritol triallyl ether
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
    • C08F222/1025—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate of aromatic dialcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/106—Esters of polycondensation macromers
    • C08F222/1065—Esters of polycondensation macromers of alcohol terminated (poly)urethanes, e.g. urethane(meth)acrylates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Polymerisation Methods In General (AREA)
BR112017002974-0A 2014-08-17 2015-08-17 Método de revestimento de uma fibra óptica, composição líquida curável por radiação para o revestimento de uma fibra óptica e a referida fibra ótica BR112017002974B1 (pt)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201462038357P 2014-08-17 2014-08-17
US62/038,357 2014-08-17
US201462056594P 2014-09-28 2014-09-28
US201462056592P 2014-09-28 2014-09-28
US62/056,592 2014-09-28
US62/056,594 2014-09-28
US201562142217P 2015-04-02 2015-04-02
US62/142,217 2015-04-02
PCT/US2015/045475 WO2016028668A1 (en) 2014-08-17 2015-08-17 Monochromatic actinic radiation curable coatings for optical fiber

Publications (2)

Publication Number Publication Date
BR112017002974A2 true BR112017002974A2 (pt) 2018-07-17
BR112017002974B1 BR112017002974B1 (pt) 2023-04-04

Family

ID=55351157

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017002974-0A BR112017002974B1 (pt) 2014-08-17 2015-08-17 Método de revestimento de uma fibra óptica, composição líquida curável por radiação para o revestimento de uma fibra óptica e a referida fibra ótica

Country Status (9)

Country Link
US (1) US10889732B2 (pt)
EP (1) EP3155058B1 (pt)
JP (1) JP6659048B2 (pt)
KR (1) KR20170043528A (pt)
CN (1) CN106574142B (pt)
BR (1) BR112017002974B1 (pt)
MX (1) MX2017002086A (pt)
RU (1) RU2714072C2 (pt)
WO (1) WO2016028668A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6106253B1 (ja) * 2015-12-04 2017-03-29 株式会社フジクラ 光ファイバテープ、光ファイバテープの製造方法、及び間欠固定型光ファイバテープの連結部の形成に用いられる紫外線硬化樹脂組成物
US10598881B2 (en) * 2015-12-16 2020-03-24 Prysmian S.P.A Optical fibre with enhanced high temperature resistance
EP3487828B1 (en) 2016-07-22 2021-04-07 Prysmian S.p.A. Optical fibre coated with a polyester coating
US20180215661A1 (en) * 2017-01-27 2018-08-02 Corning Incorporated Led curing of high modulus fiber coating
CN108686907A (zh) * 2017-04-10 2018-10-23 上海臻辉光电技术有限公司 用于固化光纤上的涂料的系统和方法
WO2018220605A1 (en) * 2017-06-02 2018-12-06 Dsm Ip Assets Bv Thermally resistant radiation curable coatings for optical fiber
CN111315701B (zh) * 2017-11-03 2022-10-14 科思创(荷兰)有限公司 包含用液体可辐射固化超吸收性聚合物组合物涂布的纤维的阻水体系
EP3740461B1 (en) 2018-01-19 2023-10-04 Prysmian S.p.A. Optical fibre having a crosslinked polyester coating
WO2019231491A1 (en) * 2018-06-01 2019-12-05 Dsm Ip Assets, B.V. Radiation curable compositions for coating optical fiber and the coatings produced therefrom
EP3820827A1 (en) * 2018-08-30 2021-05-19 DSM IP Assets B.V. Radiation curable compositions for coating optical fiber
JP7063217B2 (ja) * 2018-09-27 2022-05-09 住友電気工業株式会社 光ファイバの製造方法
JP7135670B2 (ja) * 2018-09-27 2022-09-13 住友電気工業株式会社 光ファイバ及び紫外線硬化型樹脂組成物
CN110628307A (zh) * 2018-11-19 2019-12-31 上海飞凯光电材料股份有限公司 紫外光固化光纤锁色涂料及制备方法、光纤外层涂层
WO2020236458A1 (en) * 2019-05-22 2020-11-26 Corning Incorporated Systems and methods for forming optical fiber coatings with reduced defects on moving optical fibers
JP2022533793A (ja) * 2019-05-24 2022-07-25 コベストロ （ネザーランズ） ビー．ヴィー． 強化された高速加工性を備えた光ファイバーをコーティングするための放射線硬化性組成物
US11932571B2 (en) * 2019-05-24 2024-03-19 Covestro (Netherland) B.V. Radiation curable compositions for coating optical fiber with enhanced high-speed processability
CN114222720A (zh) 2019-07-30 2022-03-22 康宁股份有限公司 高速拉制光纤涂覆系统和方法
JP2022543200A (ja) * 2019-07-31 2022-10-11 コベストロ （ネザーランズ） ビー．ブイ． 光ファイバーを被覆するための多官能性長アームオリゴマーを含む放射線硬化性組成物
US11822117B2 (en) * 2019-10-08 2023-11-21 Corning Incorporated Primary coating compositions with improved microbending performance

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536529A (en) * 1989-05-11 1996-07-16 Borden, Inc. Ultraviolet radiation-curable coatings for optical fibers and optical fibers coated therewith
JPH0769686A (ja) * 1993-08-31 1995-03-14 Dainippon Ink & Chem Inc 光ファイバ被覆用紫外線硬化型樹脂組成物
US6187835B1 (en) * 1997-06-18 2001-02-13 Dsm N.V. Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed
US6438306B1 (en) 2000-04-07 2002-08-20 Dsm N.V. Radiation curable resin composition
US6489376B1 (en) * 2000-07-31 2002-12-03 Alcatel Formulation of UV-curable coatings for optical fiber for a fast cure
BR0309779B1 (pt) * 2002-04-26 2013-06-25 fotoiniciador incorporável
JP2004333902A (ja) * 2003-05-08 2004-11-25 Jsr Corp 光学部材用放射線硬化性樹脂組成物及び光学部材
WO2005019128A2 (en) * 2003-08-20 2005-03-03 Dsm Ip Assets B.V. Radiation-curable liquid resin composition
DE602005025217D1 (de) 2004-04-15 2011-01-20 Basf Se Verfahren zur photohärtung mit lichtemittierenden dioden
JP2007269870A (ja) * 2006-03-30 2007-10-18 Jsr Corp 放射線硬化性液状樹脂組成物
ATE498595T1 (de) 2006-12-14 2011-03-15 Dsm Ip Assets Bv D1364 bt-sekundärbeschichtung für optische fasern
DK2513002T3 (en) 2009-12-17 2016-04-04 Dsm Ip Assets Bv LED CURE OF RADIATABLE OPTICAL FIBER COATING COMPOSITIONS
JP2012111924A (ja) 2009-12-28 2012-06-14 Jsr Corp 放射線硬化性樹脂組成物
JP5843326B2 (ja) 2010-06-30 2016-01-13 ディーエスエム アイピー アセッツ ビー．ブイ． Ｄ１４７９安定液体ｂａｐ光開始剤および放射線硬化性組成物におけるその使用
JP5697617B2 (ja) * 2012-02-09 2015-04-08 富士フイルム株式会社 インクジェット記録用インク組成物、インクジェット記録方法、及び、印刷物

Also Published As

Publication number Publication date
MX2017002086A (es) 2017-05-25
US20180163075A1 (en) 2018-06-14
JP2017532272A (ja) 2017-11-02
EP3155058A4 (en) 2018-01-24
CN106574142A (zh) 2017-04-19
BR112017002974B1 (pt) 2023-04-04
WO2016028668A1 (en) 2016-02-25
RU2714072C2 (ru) 2020-02-11
US10889732B2 (en) 2021-01-12
RU2017108648A3 (pt) 2019-02-12
EP3155058B1 (en) 2020-09-30
CN106574142B (zh) 2020-12-11
KR20170043528A (ko) 2017-04-21
JP6659048B2 (ja) 2020-03-04
RU2017108648A (ru) 2018-09-17
EP3155058A1 (en) 2017-04-19

Similar Documents

Publication Publication Date Title
BR112017002974A2 (pt) revestimentos curáveis por radiação actínica monocromática para fibra óptica
DK3249432T3 (da) Optiske hulkernefibre
BR112017007644A2 (pt) scanner de feixe óptico
DK3532768T3 (da) Pladslys
BR112016028974A2 (pt) revestimentos de duas partes curáveis para condutores
GB201420070D0 (en) Optical bridge
DK3276384T3 (da) Optisk flerkernefiber
KR20180084924A (ko) 전기광학 요소용 ir 투과 코팅
DK3246736T3 (da) Optisk fiber
DK3435126T3 (da) Optisk fiber
DK3185055T3 (da) Optisk fiber
DK3164554T3 (da) Tagbeklædningssystem
DK3032386T3 (da) Optisk tastatur til eksplosive steder
DK3259549T3 (da) Lyssporammunition
DK3215876T3 (da) Optisk multimode-fiber til power-over-fiber-anvendelser
FI20146152A (fi) Optinen mittausjärjestelmä
DK3156830T3 (da) Optisk transmissionssystem
ES1103780Y (es) Fijador de mangas
ITUA20161701A1 (it) Cavo ottico rinforzato
FI20160246A (fi) Optinen mittapää
ES1165633Y (es) Dispositivo óptico espantapájaros
FI20160123A (fi) Kiinnitysmekanismi
FI10740U1 (fi) Optinen kaapeli
ES1138782Y (es) Gresite luminoso
ES1142158Y (es) Portatizas laser

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B25A Requested transfer of rights approved

Owner name: COVESTRO (NETHERLANDS) B.V. (NL)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07B Technical examination (opinion): publication cancelled [chapter 7.2 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B25G Requested change of headquarter approved

Owner name: COVESTRO (NETHERLANDS) B.V. (NL)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/08/2015, OBSERVADAS AS CONDICOES LEGAIS