ATE453688T1 - Mit amphiphilem blockcopolymer schlagzäh modifizierte epoxidharze und daraus hergestellte elektrische laminate - Google Patents

Mit amphiphilem blockcopolymer schlagzäh modifizierte epoxidharze und daraus hergestellte elektrische laminate

Info

Publication number
ATE453688T1
ATE453688T1 AT05818062T AT05818062T ATE453688T1 AT E453688 T1 ATE453688 T1 AT E453688T1 AT 05818062 T AT05818062 T AT 05818062T AT 05818062 T AT05818062 T AT 05818062T AT E453688 T1 ATE453688 T1 AT E453688T1
Authority
AT
Austria
Prior art keywords
epoxy resin
block copolymer
amphiphilic block
epoxy resins
modified epoxy
Prior art date
Application number
AT05818062T
Other languages
English (en)
Inventor
Kandathil Verghese
Robert Hearn
Original Assignee
Dow Global Technologies Inc
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 Global Technologies Inc filed Critical Dow Global Technologies Inc
Application granted granted Critical
Publication of ATE453688T1 publication Critical patent/ATE453688T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0313—Organic insulating material
    • H05K1/032—Organic insulating material consisting of one material
    • H05K1/0326—Organic insulating material consisting of one material containing O
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Epoxy Resins (AREA)
  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)
AT05818062T 2004-11-10 2005-11-02 Mit amphiphilem blockcopolymer schlagzäh modifizierte epoxidharze und daraus hergestellte elektrische laminate ATE453688T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62661104P 2004-11-10 2004-11-10
PCT/US2005/039963 WO2006052727A1 (en) 2004-11-10 2005-11-02 Amphiphilic block copolymer-toughened epoxy resins and electrical laminates made therefrom

Publications (1)

Publication Number Publication Date
ATE453688T1 true ATE453688T1 (de) 2010-01-15

Family

ID=35770865

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05818062T ATE453688T1 (de) 2004-11-10 2005-11-02 Mit amphiphilem blockcopolymer schlagzäh modifizierte epoxidharze und daraus hergestellte elektrische laminate

Country Status (15)

Country Link
US (1) US7923073B2 (de)
EP (1) EP1814948B1 (de)
JP (1) JP5248860B2 (de)
KR (1) KR101227201B1 (de)
CN (1) CN101056933B (de)
AT (1) ATE453688T1 (de)
BR (1) BRPI0516702A (de)
CA (1) CA2582360A1 (de)
DE (1) DE602005018680D1 (de)
ES (1) ES2337598T3 (de)
MX (1) MX2007005597A (de)
NO (1) NO20071727L (de)
RU (1) RU2395545C2 (de)
TW (1) TWI400296B (de)
WO (1) WO2006052727A1 (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0508158B1 (pt) * 2004-04-02 2015-10-27 Dow Global Technologies Inc composição, compósito, composição de revestimento em pó, processo para preparar laminados, processo para preparar compósito, revestimentos, laminados elétricos, cola de fibra de vidro, auxiliares de redução de brilho, encapsulantes
WO2006052730A1 (en) * 2004-11-10 2006-05-18 Dow Global Technologies Inc. Amphiphilic block copolymer-toughened epoxy resins and powder coatings made therefrom
JP4634856B2 (ja) * 2005-05-12 2011-02-16 利昌工業株式会社 白色プリプレグ、白色積層板、及び金属箔張り白色積層板
US9096790B2 (en) 2007-03-22 2015-08-04 Hexion Inc. Low temperature coated particles comprising a curable liquid and a reactive powder for use as proppants or in gravel packs, methods for making and using the same
BRPI0813201A2 (pt) 2007-08-02 2014-12-23 Dow Global Technologies Inc "composição curável, compósito e método para formar um compósito"
WO2009076069A1 (en) * 2007-12-10 2009-06-18 Arkema Inc. Acrylic-based rubber modified thermoset composition
WO2009089145A1 (en) 2008-01-08 2009-07-16 Dow Global Technologies Inc. High tg epoxy systems for composite application
KR101582881B1 (ko) 2008-04-14 2016-01-15 블루 큐브 아이피 엘엘씨 분말 피복 분야에 유용한 에폭시-이미다졸 촉매
EP2110397A1 (de) 2008-04-16 2009-10-21 Sika Technology AG Auf amphiphilen Block-Copolymer basierendes Polyurethan-Polymer und dessen Verwendung als Schlagzähigkeitsmodifikator
WO2009140087A2 (en) * 2008-05-16 2009-11-19 Dow Global Technologies Inc. Windmill propeller blade and method of making same
EP2128182A1 (de) 2008-05-28 2009-12-02 Sika Technology AG Hitzehärtende Epoxidharzzusammensetzung enthaltend einen Beschleuniger mit Heteroatomen
CN102099402B (zh) * 2008-07-17 2014-06-25 陶氏环球技术公司 具有改善的韧性的结构复合材料
EP2145908B1 (de) 2008-07-17 2010-03-24 Sika Technology AG Haftvermittlerverbindungen für beölten Stahl
EP2145924A1 (de) 2008-07-18 2010-01-20 Sika Technology AG Auf amphiphilen Block-Copolymer basierende Reaktionsprodukte und deren Verwendung als Schlagzähigkeitsmodifikator
EP2182025B1 (de) 2008-10-31 2010-10-06 Sika Technology AG Hitzehärtende Epoxidharzzusammensetzungen einsetzbar als Rohbauklebstoff oder Strukturschaum
TWI423741B (zh) * 2009-02-13 2014-01-11 Iteq Corp An epoxy resin composition and a film and a substrate made of the epoxy resin composition
CA2750703A1 (en) 2009-02-24 2010-09-02 Gary A. Hunter Curable epoxy resin compositions and cured products therefrom
CN102348757A (zh) * 2009-03-09 2012-02-08 陶氏环球技术有限责任公司 含有两亲型嵌段共聚物和多元醇的组合的可热固化组合物及其热固产品
JP2012528234A (ja) 2009-05-27 2012-11-12 ダウ グローバル テクノロジーズ エルエルシー ポリマー性グリシジルエーテル反応性希釈剤
WO2011037892A1 (en) 2009-09-22 2011-03-31 Dow Global Technologies Llc Process for preparing episulfide resins
US9074041B2 (en) 2009-09-25 2015-07-07 Blue Cube Ip Llc Curable epoxy resin compositions and composites made therefrom
US8779034B2 (en) 2009-09-30 2014-07-15 Dow Global Technologies Llc Epoxy resin compositions
JP5706437B2 (ja) 2009-11-12 2015-04-22 ダウ グローバル テクノロジーズ エルエルシー ポリオキサゾリドン樹脂
JP5922582B2 (ja) 2009-12-02 2016-05-24 ブルー キューブ アイピー エルエルシー コンポジット組成物
EP2507283B1 (de) 2009-12-02 2013-10-23 Dow Global Technologies LLC Epoxidharzzusammensetzungen
SG181486A1 (en) 2009-12-02 2012-07-30 Dow Global Technologies Llc Coating compositions
CN102648229A (zh) 2009-12-03 2012-08-22 陶氏环球技术有限责任公司 基于二乙烯基芳烃氧化物的加合物
CN102666636B (zh) 2009-12-08 2015-11-25 陶氏环球技术有限责任公司 羟基官能聚酯树脂
KR20120114295A (ko) 2009-12-09 2012-10-16 다우 글로벌 테크놀로지스 엘엘씨 에폭시 수지 조성물
BR112012013526A2 (pt) 2009-12-09 2015-09-15 Dow Global Technologies Llc composição de resina de dióxido de divinilareno hidrolisada, composição de resina de dióxido de divinilareno hidrolisada curável, processo para hidrolisar uma resina epóxi de divinilareno e processo para preparar uma composição de resina de dióxido de divinilareno hidrolisada curável
JP5537671B2 (ja) * 2009-12-29 2014-07-02 サンーゴバン アブレイシブズ，インコーポレイティド 耐久性コーテッドアブレーシブ物品
JP5657700B2 (ja) * 2010-01-27 2015-01-21 ダウ グローバル テクノロジーズ エルエルシー 多層構造体およびその製造方法
WO2011097009A2 (en) 2010-02-02 2011-08-11 Dow Global Technologies Llc Curable epoxy resin compositions
EP2365011A1 (de) 2010-03-02 2011-09-14 Sika Technology AG Aminogruppen - terminierter Schlagzähigkeitsmodifikator und dessen Verwendungen in Epoxidharzzusammensetzungen
EP2365046A1 (de) 2010-03-02 2011-09-14 Sika Technology AG Schlagzäher bei Raumtemperatur härtender zwei-komponentiger Strukturklebstoff
CN102884100B (zh) 2010-03-24 2018-02-06 蓝立方知识产权有限责任公司 包括作为增韧剂的聚(环氧丙烷)多元醇的环氧树脂组合物
US8865917B2 (en) 2010-05-21 2014-10-21 Dow Global Technologies Llc Hardeners for thermosettable resin compositions
JP5870379B2 (ja) 2010-06-25 2016-03-01 ブルー キューブ アイピー エルエルシー ポリマーコンクリート組成物
BR112012032981A2 (pt) 2010-06-25 2016-11-22 Dow Global Technologies Llc composição de resina epóxi curável livre de diluente para preparar um compósito, processo para preparar uma composição ou sistema de resina curável, livre de diluente, produto compósito curado e processo para preparar produto compósito curado
WO2012148815A1 (en) 2011-04-26 2012-11-01 Dow Global Technologies Llc Curable compositions
RU2014110183A (ru) 2011-08-18 2015-09-27 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Отверждаемые полимерные композиции
WO2013025304A2 (en) 2011-08-18 2013-02-21 Dow Global Technologies Llc Curable resin compositions
US20140316068A1 (en) 2011-11-08 2014-10-23 Dow Global Technologies Llc Bimodal toughening agents for thermosettable epoxy resin compositions
CN103974993B (zh) 2011-12-01 2017-03-08 蓝立方知识产权有限责任公司 用于硬化剂的液体促进剂组合物
EP2794757B1 (de) 2011-12-20 2019-05-15 Dow Global Technologies LLC Verfahren zur herstellung ausgehärteter epoxidverbundwerkstoffe
RU2014131476A (ru) 2011-12-30 2016-02-20 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Отверждаемая при низких температурах эпоксидная композиция
WO2014093116A2 (en) 2012-12-14 2014-06-19 Dow Global Technologies Llc Curable compositions
CN105143301A (zh) 2012-12-14 2015-12-09 蓝立方知识产权有限责任公司 改性环氧树脂
US10287473B2 (en) * 2012-12-20 2019-05-14 Dow Global Technologies Llc Polymer composite components for wireless-communication towers
RU2559495C1 (ru) * 2014-01-13 2015-08-10 Открытое акционерное общество "Национальный институт авиационных технологий" (ОАО НИАТ) Состав для получения связующего для препрегов, способ изготовления связующего, препрег и способ изготовления панели из полимерного композиционного материала
CN103936940B (zh) * 2014-04-25 2016-05-04 常州工程职业技术学院 不饱和聚酯树脂泡沫保温复合材料及其制备方法
JP5992963B2 (ja) * 2014-07-04 2016-09-14 ダウ グローバル テクノロジーズ エルエルシー 両親媒性ブロックコポリマー及びポリオールの組合せを含む熱硬化性組成物並びにそれからの熱硬化生成物
EP3191547B1 (de) 2014-09-11 2020-08-05 Blue Cube IP LLC Esterharze
WO2016053641A1 (en) 2014-09-29 2016-04-07 Blue Cube Ip Llc Adduct composition
BR112017006651B1 (pt) 2014-10-10 2022-09-13 Dow Global Technologies Llc Composição surfactante funcionalizada com epóxi, composição de resina epóxi, e, composição de dispersão de epóxi à base de água
US10392539B2 (en) 2014-12-31 2019-08-27 Dow Global Technologies Llc Crash durable epoxy adhesive compositions having improved low-temperature impact resistance and wash off resistance
FR3034423B1 (fr) * 2015-04-03 2019-05-31 Cnrs Dispersion aqueuse de particules d'au moins un polymere thermoplastique, son procede de preparation et ses applications, notamment pour l'ensimage de fibres de renfort
TW201641531A (zh) 2015-04-30 2016-12-01 藍色立方體有限責任公司 硬化劑組成物
US20190001593A1 (en) 2016-01-04 2019-01-03 Dow Global Technologies Llc Fiber composites with reduced surface roughness and methods for making them
CN108699321B (zh) 2016-04-13 2020-11-24 株式会社钟化 强韧化环氧树脂组合物
EP3532527A1 (de) 2016-10-28 2019-09-04 Dow Global Technologies, LLC Aufprallbeständiger epoxidklebstoff mit verbesserter kälteschlagzähigkeit
CN110325355A (zh) 2017-02-26 2019-10-11 陶氏环球技术有限责任公司 具有降低的表面粗糙度的纤维复合材料及其制造方法
US20200190390A1 (en) 2017-08-15 2020-06-18 Covestro Llc Additive to flexibilize epoxy-based resins for use in oil field applications
CN107722316A (zh) * 2017-09-18 2018-02-23 乐凯特科技铜陵有限公司 一种高强度薄型半固化片及其制备方法
CN109721947A (zh) 2017-10-27 2019-05-07 财团法人工业技术研究院 环氧树脂组合物
US20190390063A1 (en) 2018-06-22 2019-12-26 Covestro Llc Solventborne compositions containing organic ion-exchangers to improve corrosion resistance
US20190390066A1 (en) 2018-06-22 2019-12-26 Covestro Llc Waterborne compositions containing inorganic ion-exchangers to improve corrosion resistance
US20190390065A1 (en) 2018-06-22 2019-12-26 Covestro Llc Waterborne compositions containing organic ion-exchangers to improve corrosion resistance
US20190390064A1 (en) 2018-06-22 2019-12-26 Covestro Llc Solventborne compositions containing inorganic ion-exchangers to improve corrosion resistance
MX2019007512A (es) 2018-06-22 2020-07-29 Ennis Flint Inc Composiciones de epoxi y metodos de uso.
WO2020005393A1 (en) 2018-06-26 2020-01-02 Dow Global Technologies Llc Fibre-reinforced composite and process of making this composite
CN109985530A (zh) * 2019-02-24 2019-07-09 海南大学 一种制备环氧热固性树脂超滤膜的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1215106A (en) * 1966-02-15 1970-12-09 Union Carbide Corp Organophosphorus compositions
US3948698A (en) 1967-09-06 1976-04-06 Hercules Incorporated Solid propellant compositions having epoxy cured, carboxy-terminated rubber binder
US3804735A (en) 1972-04-10 1974-04-16 Continental Can Co Photopolymerizable compositions prepared from beta-hydroxy esters and polyitaconates
US3892819A (en) 1973-03-21 1975-07-01 Dow Chemical Co Impact resistant vinyl ester resin and process for making same
DE2349979A1 (de) 1973-10-04 1975-04-17 Bayer Ag Uv-licht-haertende massen hoher reaktivitaet
US4119609A (en) 1977-03-28 1978-10-10 Shell Oil Company Curable epoxy-carboxylic acid adducts
US4431782A (en) 1981-07-27 1984-02-14 The Dow Chemical Company Process for the preparation of radiation-curable, water-thinnable vinyl ester resins
EP0384896A1 (de) * 1989-02-24 1990-08-29 Ciba-Geigy Ag Zähe Epoxidgiessharze
JPH07228686A (ja) * 1994-02-15 1995-08-29 Dai Ichi Kogyo Seiyaku Co Ltd ポリマー改質剤
TW346498B (en) * 1994-10-11 1998-12-01 Shell Int Research Epoxidized monohydroxylated rubber toughening modifiers for epoxy resins
RU2092505C1 (ru) * 1995-03-20 1997-10-10 Акционерное общество Научно-производственное объединение "Стеклопластик" Способ получения эпоксидной дисперсии
JP3620921B2 (ja) * 1996-06-06 2005-02-16 株式会社タイルメント 硬化性エポキシ樹脂系接着剤
US6613839B1 (en) 1997-01-21 2003-09-02 The Dow Chemical Company Polyepoxide, catalyst/cure inhibitor complex and anhydride
US5892130A (en) * 1997-05-01 1999-04-06 The Dow Chemical Company Oxyalkylene-modified polyoxybutylene alcohols
FR2809741B1 (fr) * 2000-05-31 2002-08-16 Atofina Materiaux thermodurs a tenue au choc amelioree
US6710139B2 (en) * 2000-06-23 2004-03-23 Dow Global Technologies Inc. Epoxy or phenolic functional polyester or polyether
JP2002012740A (ja) * 2000-06-29 2002-01-15 Nippon Kayaku Co Ltd 難燃性エポキシ樹脂組成物及びその用途
US6887574B2 (en) * 2003-06-06 2005-05-03 Dow Global Technologies Inc. Curable flame retardant epoxy compositions

Also Published As

Publication number Publication date
EP1814948A1 (de) 2007-08-08
KR101227201B1 (ko) 2013-01-28
JP2008519886A (ja) 2008-06-12
JP5248860B2 (ja) 2013-07-31
KR20070084111A (ko) 2007-08-24
TWI400296B (zh) 2013-07-01
CN101056933B (zh) 2012-11-21
WO2006052727A1 (en) 2006-05-18
RU2395545C2 (ru) 2010-07-27
EP1814948B1 (de) 2009-12-30
NO20071727L (no) 2007-08-08
CA2582360A1 (en) 2006-05-18
US20080213489A1 (en) 2008-09-04
US7923073B2 (en) 2011-04-12
HK1112930A1 (en) 2008-09-19
RU2007121650A (ru) 2008-12-20
MX2007005597A (es) 2007-05-23
TW200624500A (en) 2006-07-16
CN101056933A (zh) 2007-10-17
ES2337598T3 (es) 2010-04-27
DE602005018680D1 (de) 2010-02-11
BRPI0516702A (pt) 2008-09-16

Similar Documents

Publication Publication Date Title
ATE453688T1 (de) Mit amphiphilem blockcopolymer schlagzäh modifizierte epoxidharze und daraus hergestellte elektrische laminate
NO20071724L (no) Amfifile blokk-kopolymerherdete epoksyharpikser
DE602005018806D1 (de) Mit amphiphilem blockcopolymer gehärtete epoxidharze und daraus hergestellte haftmittel
NO20071761L (no) Amfifile blokk-kopolymerherdete epoksyresiner og pulverbelegg fremstilt derfra
MX2007005600A (es) Resinas epoxicas endurecidas con copolimero de bloque anfifilico y revestimientos con un alto contenido de solidos de curacion ambiental hechos a partir de las mismas.
TW200624502A (en) Amphiphilic block copolymer-toughened epoxy vinyl ester and unsaturated polyester resins
KR102699215B1 (ko) 신규 화합물, 그 화합물을 포함하는 조성물, 자기 수복 재료, 표면 코트제, 도료, 접착제, 전지용 재료 및 경화물
EP1970408A4 (de) Härtbare zusammensetzung
MY148272A (en) Curable silicone composition
DE602005027551D1 (de) Sowohl durch radikalische photohärtung als auch durch kationische photohärtung härtbare zusammensetzung
ATE358151T1 (de) Thermohärtbare mischungen von polyphenylenethern und vinylpolymeren
EA200702607A1 (ru) Полиэтиленовая композиция с улучшенной технологичностью
ATE521373T1 (de) Knochenzementzusammensetzung
ATE543846T1 (de) Fluorhaltiges polymer und harzzusammensetzung
TW200613450A (en) Silicon-containing curable composition and its thermally cured material
TW200609279A (en) Self-adhesive prepreg
WO2009137144A3 (en) Halogen-free benzoxazine based curable compositions for high tg applications
TW200420598A (en) A curable resin composition and cured product
WO2004090060A3 (en) Building sealant composition
BR0000896B1 (pt) composição polimérica empregada como agente de cura de uma resina novolac, composição novolac curável, e, composição curável.
DE602004016364D1 (de) Poly(arylenether)zusammensetzung und herstellungsverfahren dafür
TW200725175A (en) Curable resin composition, forming method of cured film, and cured film

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1814948

Country of ref document: EP