CN101253209B - 含烷氧基硅烷基团的低粘度预聚物、其制备方法和用途 - Google Patents
含烷氧基硅烷基团的低粘度预聚物、其制备方法和用途 Download PDFInfo
- Publication number
- CN101253209B CN101253209B CN2006800321684A CN200680032168A CN101253209B CN 101253209 B CN101253209 B CN 101253209B CN 2006800321684 A CN2006800321684 A CN 2006800321684A CN 200680032168 A CN200680032168 A CN 200680032168A CN 101253209 B CN101253209 B CN 101253209B
- Authority
- CN
- China
- Prior art keywords
- prepolymer
- alkoxysilane groups
- prepare
- mol
- group
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 0 **(*)[S+](*)*N=C=O Chemical compound **(*)[S+](*)*N=C=O 0.000 description 1
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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/71—Monoisocyanates or monoisothiocyanates
- C08G18/718—Monoisocyanates or monoisothiocyanates containing silicon
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy 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
- C08G2190/00—Compositions for sealing or packing joints
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Sealing Material Composition (AREA)
- Silicon Polymers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
对比实施例 | 实施例1 | 实施例2 | |
抗张强度(DIN 53504), [N/mm2] | 1.6 | 2.1 | 1.8 |
100%模量(DIN 52455/1),[N/mm2] | 0.4 | 0.7 | 0.7 |
肖氏A硬度(DIN 53505) | 17 | 24 | 25 |
发粘1/3/7/14d* | 3/2/1/1 | 2/1/1/1 | 2/1/1/1 |
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005041953A DE102005041953A1 (de) | 2005-09-03 | 2005-09-03 | Niedrigviskose alkoxysilangruppenaufweisende Prepolymere, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung |
DE102005041953.4 | 2005-09-03 | ||
PCT/EP2006/008275 WO2007025668A1 (de) | 2005-09-03 | 2006-08-23 | Niedrigviskose alkoxysilangruppenaufweisende prepolymere, ein verfahren zu ihrer herstellung sowie ihre verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101253209A CN101253209A (zh) | 2008-08-27 |
CN101253209B true CN101253209B (zh) | 2012-04-04 |
Family
ID=37594981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800321684A Active CN101253209B (zh) | 2005-09-03 | 2006-08-23 | 含烷氧基硅烷基团的低粘度预聚物、其制备方法和用途 |
Country Status (16)
Country | Link |
---|---|
US (1) | US8067522B2 (zh) |
EP (1) | EP1924621B1 (zh) |
JP (1) | JP5909316B2 (zh) |
CN (1) | CN101253209B (zh) |
AT (1) | ATE419291T1 (zh) |
AU (1) | AU2006286874B2 (zh) |
BR (1) | BRPI0616128A2 (zh) |
CA (1) | CA2620991C (zh) |
DE (2) | DE102005041953A1 (zh) |
DK (1) | DK1924621T3 (zh) |
ES (1) | ES2318789T3 (zh) |
HK (1) | HK1123818A1 (zh) |
NO (1) | NO20081437L (zh) |
PL (1) | PL1924621T3 (zh) |
TW (1) | TWI405782B (zh) |
WO (1) | WO2007025668A1 (zh) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007020404A1 (de) | 2006-09-18 | 2008-10-30 | Nano-X Gmbh | Verfahren zur Herstellung eines Beschichtungsmaterials |
US7732554B2 (en) * | 2006-09-21 | 2010-06-08 | Momentive Performance Materials Inc. | Process for preparing a curable silylated polyurethane resin |
EP2014314A1 (de) | 2007-07-10 | 2009-01-14 | Bayer Innovation GmbH | Verfahren zur Herstellung von Polyurethan-Schäumen für die Wundbehandlung |
DE102007032342A1 (de) * | 2007-07-11 | 2009-01-15 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polyurethan-Schäumen auf Basis von speziellen alkoxysilanfunktionellen Polymeren |
BRPI0812635A2 (pt) * | 2007-07-12 | 2015-02-24 | Dow Global Technologies Inc | "poliol de mhms, prepolímero de alcoxissilano de mhms, composição de mhms, polímero de mhms sililado, composição de mhms sililado, processo para preparar um poliol de mhms, processo para preparar pelo menos um prepolímero de alcoxissilanode mhms, processo para preparar pelo menos um polímero de mhms sililado e artigo" |
US8029854B2 (en) * | 2007-07-26 | 2011-10-04 | Bayer Materialscience Llc | Concrete repair process |
US20090030145A1 (en) * | 2007-07-26 | 2009-01-29 | Bayer Materialscience Llc | Hydrophilic sealants |
DE102007058483A1 (de) | 2007-12-04 | 2009-06-10 | Henkel Ag & Co. Kgaa | Härtbare Zusammensetzungen enthaltend silylierte Polyurethane |
DE102008003743A1 (de) * | 2008-01-10 | 2009-07-16 | Henkel Ag & Co. Kgaa | Härtbare Zusammensetzungen enthaltend weichelastische silylierte Polyurethane |
EP2199351A1 (de) | 2008-12-19 | 2010-06-23 | Sika Technology AG | Flüssigfolie auf Basis von silanterminierten Polymeren |
DE102009057597A1 (de) * | 2009-12-09 | 2011-06-16 | Bayer Materialscience Ag | Polyrethan-Prepolymere |
DE102009057598A1 (de) | 2009-12-09 | 2011-06-16 | Bayer Materialscience Ag | Polyurethan-Prepolymere |
DE102009057599A1 (de) * | 2009-12-09 | 2011-06-16 | Bayer Materialscience Ag | Dichtstoffe |
CN102261000B (zh) * | 2011-05-12 | 2012-12-05 | 四川大学 | 一种溶胶-凝胶法制备水性聚氨酯/SiO2纳米杂化皮革涂饰剂的方法 |
DE102011077213A1 (de) | 2011-06-08 | 2012-12-13 | Bayer Material Science Ag | Polyurethan-Polymere |
DE102011077201A1 (de) | 2011-06-08 | 2012-12-13 | Bayer Materialscience Aktiengesellschaft | Polyurethan-Polymere |
US20150203624A1 (en) * | 2014-01-21 | 2015-07-23 | Vladimyr Wolan | Second generation hybrid silane modified polymers of low viscosity for low toxicity rtv sealants and adhesives |
EP2905296B1 (de) * | 2014-02-10 | 2015-12-23 | Evonik Degussa GmbH | Copolymere aus Isocyanatoalkyltrialkoxysilanen und Urethandiolen |
CN104861149A (zh) * | 2015-06-18 | 2015-08-26 | 中国船舶重工集团公司第七二五研究所 | 一种烷氧基硅烷封端双亲性聚合物的制备方法 |
WO2017019878A1 (en) | 2015-07-29 | 2017-02-02 | Bridgestone Corporation | Processes for preparing functionalized polymers, related functionalizing compound and preparation thereof |
EP3162827B1 (de) | 2015-10-29 | 2018-06-06 | Evonik Degussa GmbH | Beschichtungsmittel mit monoallophanaten auf basis von alkoxysilanalkylisocyanaten |
NO3162807T3 (zh) | 2015-10-29 | 2018-07-14 | ||
DE102016200704A1 (de) | 2016-01-20 | 2017-07-20 | Bona Gmbh Deutschland | Verfahren zur Erhöhung der Anwendungssicherheit und der Alterungsbeständigkeit von Klebstoffen und anderen Produkten, enthaltend silanfunktionalisierte Präpolymere |
EP3263619A1 (de) | 2016-06-27 | 2018-01-03 | Evonik Degussa GmbH | Alkoxysilan- und allophanat-funktionalisierte beschichtungsmittel |
EP3263617B1 (de) | 2016-06-27 | 2019-12-25 | Evonik Operations GmbH | Alkoxysilan-funktionalisierte und allophanat-funktionalisierte urethane |
EP3263618A1 (de) | 2016-06-27 | 2018-01-03 | Evonik Degussa GmbH | Alkoxysilan-funktionalisierte allophanate |
EP3263616B8 (de) | 2016-06-27 | 2020-01-15 | Evonik Operations GmbH | Alkoxysilan-funktionalisierte allophanat-haltige beschichtungsmittel |
DE102017115439A1 (de) | 2017-07-10 | 2019-01-10 | Bona Gmbh Deutschland | Verfahren zur Erhöhung der Anwendungssicherheit und der Alterungsbeständigkeit von Klebstoffen und anderen Produkten, enthaltend silanfunktionalisierte Präpolymere |
DE102017219755A1 (de) | 2017-11-07 | 2019-05-09 | Bona Gmbh Deutschland | Verwendung von Additiven zur Erhöhung der Zugscherfestigkeit und Zusammensetzung enthaltend ein silanfunktionalisiertes Präpolymer und Additive |
EP3715396A1 (de) * | 2019-03-26 | 2020-09-30 | PolyU GmbH | Zusammensetzung und verfahren zur herstellung silylierter polymere und deren verwendung |
CN111349242A (zh) * | 2019-08-28 | 2020-06-30 | 江西纳恩新材料有限公司 | 一种含异氰酸酯基硅橡胶增粘剂的制备方法 |
WO2021121543A1 (de) * | 2019-12-16 | 2021-06-24 | Wacker Chemie Ag | Verfahren zur herstellung von organyloxysilanterminierten polymeren |
KR20220138387A (ko) | 2020-02-03 | 2022-10-12 | 디디피 스페셜티 일렉트로닉 머티리얼즈 유에스, 엘엘씨 | 실란-말단 우레탄 예비중합체를 포함하는 폴리우레탄계 열 계면 재료 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0070475A2 (en) * | 1981-07-17 | 1983-01-26 | Essex Chemical Corporation | Method of making a moisture-curable silicon terminated polymer |
CN1294603A (zh) * | 1998-03-25 | 2001-05-09 | 汉高两合股份公司 | 聚氨酯和含有聚氨酯的制品 |
EP0931800B1 (en) * | 1998-01-22 | 2004-10-13 | General Electric Company | Process for producing prepolymers which cure to improved sealants, and products formed thereby |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1207594A (en) | 1967-03-16 | 1970-10-07 | Union Carbide Corp | One component room temperature vulcanizable silicon terminated polymers |
US3627722A (en) | 1970-05-28 | 1971-12-14 | Minnesota Mining & Mfg | Polyurethane sealant containing trialkyloxysilane end groups |
DE2243628A1 (de) * | 1972-09-06 | 1974-03-14 | Bayer Ag | Polymere mit alkoxysilyl-substituierten biuretgruppen und verfahren zu ihrer herstellung |
US4067844A (en) | 1976-12-22 | 1978-01-10 | Tremco Incorporated | Urethane polymers and sealant compositions containing the same |
DE3410582A1 (de) * | 1984-03-22 | 1985-09-26 | Wacker-Chemie GmbH, 8000 München | Sic-gebundene biuretgruppen enthaltende siliciumverbindungen, verfahren zu ihrer herstellung und verwendung solcher organosiliciumverbindungen |
DE3629237A1 (de) * | 1986-08-28 | 1988-03-03 | Henkel Kgaa | Alkoxysilanterminierte, feuchtigkeitshaertende polyurethane sowie ihre verwendung fuer klebe- und dichtungsmassen |
US5068304A (en) | 1988-12-09 | 1991-11-26 | Asahi Glass Company, Ltd. | Moisture-curable resin composition |
DE4237468A1 (de) | 1992-11-06 | 1994-05-11 | Bayer Ag | Alkoxysilan- und Aminogruppen aufweisende Verbindungen |
US5319053A (en) * | 1993-09-02 | 1994-06-07 | Miles Inc. | Liquid diphenylmethane diisocyanate |
JP2594024B2 (ja) | 1994-04-08 | 1997-03-26 | オーエスアイ・スペシヤルテイーズ・インコーポレーテツド | アリールアミノシラン末端キヤツプドウレタンのシーラント |
JPH08143660A (ja) * | 1994-11-18 | 1996-06-04 | Asahi Glass Co Ltd | 加水分解性ケイ素末端重合体の製造方法およびそれを含む組成物 |
FR2743297B1 (fr) * | 1996-01-05 | 1998-03-13 | Oreal | Composition cosmetiques a base de polycondensats ionisables multisequences polysiloxane/polyurethane et/ou polyuree en solution et utilisation |
US5691441A (en) * | 1996-10-11 | 1997-11-25 | Arco Chemical Technology, L.P. | Spandex elastomers |
US5691439A (en) * | 1996-12-16 | 1997-11-25 | Bayer Corporation | Low surface energy polyisocyanates and their use in one- or two-component coating compositions |
JP3343604B2 (ja) * | 1997-03-03 | 2002-11-11 | コニシ株式会社 | シリコーン系樹脂組成物 |
JP3703261B2 (ja) * | 1997-08-19 | 2005-10-05 | 三井化学株式会社 | ケイ素基含有ポリアルキレンオキサイド重合体の製造方法及び湿気硬化性組成物 |
JP2000063470A (ja) * | 1998-08-21 | 2000-02-29 | Dainichiseika Color & Chem Mfg Co Ltd | 親水性ポリウレタン系樹脂及びその製造方法 |
JP4005231B2 (ja) * | 1998-08-24 | 2007-11-07 | 大日精化工業株式会社 | 親水性ポリウレタン系樹脂の製造方法 |
JP3961689B2 (ja) * | 1998-08-26 | 2007-08-22 | 大日精化工業株式会社 | 親水性ポリウレタン系樹脂及びその製造方法 |
DE19849817A1 (de) | 1998-10-29 | 2000-05-04 | Bayer Ag | Alkoxysilan-Endgruppen aufweisende Polyurethanprepolymere, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung zur Herstellung von Dichtstoffen |
DE19914879A1 (de) * | 1999-04-01 | 2000-10-05 | Bayer Ag | Polyurethanlösungen mit Alkoxysilanstruktureinheiten |
IT1318639B1 (it) * | 2000-07-25 | 2003-08-27 | Mapei Spa | Procedimento per la preparazione di composizioni organico-sili-coniche. |
JP3449991B2 (ja) * | 2001-02-22 | 2003-09-22 | オート化学工業株式会社 | 硬化性組成物 |
DE10204523A1 (de) * | 2002-02-05 | 2003-08-07 | Bayer Ag | Alkoxysilan- und OH-Endgruppen aufweisende Polyurethanprepolymere mit erniedrigter Funktionalität, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung |
DE10254376A1 (de) * | 2002-11-15 | 2004-05-27 | Bayer Ag | Raumtemperaturhärtende Reaktivsysteme |
DE10355318A1 (de) * | 2003-11-27 | 2005-06-23 | Wacker-Chemie Gmbh | Verfahren zur Herstellung von organyloxysilylterminierten Polymeren |
DE102004040220A1 (de) * | 2004-08-19 | 2006-03-02 | Bayer Materialscience Ag | Verbessertes Verfahren zur Herstellung organischer Monoisocyanate |
-
2005
- 2005-09-03 DE DE102005041953A patent/DE102005041953A1/de not_active Withdrawn
-
2006
- 2006-08-23 BR BRPI0616128-6A patent/BRPI0616128A2/pt not_active IP Right Cessation
- 2006-08-23 DK DK06791626T patent/DK1924621T3/da active
- 2006-08-23 AT AT06791626T patent/ATE419291T1/de active
- 2006-08-23 PL PL06791626T patent/PL1924621T3/pl unknown
- 2006-08-23 AU AU2006286874A patent/AU2006286874B2/en not_active Ceased
- 2006-08-23 ES ES06791626T patent/ES2318789T3/es active Active
- 2006-08-23 DE DE502006002528T patent/DE502006002528D1/de active Active
- 2006-08-23 CN CN2006800321684A patent/CN101253209B/zh active Active
- 2006-08-23 EP EP06791626A patent/EP1924621B1/de active Active
- 2006-08-23 CA CA2620991A patent/CA2620991C/en not_active Expired - Fee Related
- 2006-08-23 JP JP2008528387A patent/JP5909316B2/ja not_active Expired - Fee Related
- 2006-08-23 WO PCT/EP2006/008275 patent/WO2007025668A1/de active Application Filing
- 2006-08-30 US US11/512,487 patent/US8067522B2/en active Active
- 2006-09-01 TW TW095132267A patent/TWI405782B/zh not_active IP Right Cessation
-
2008
- 2008-03-19 NO NO20081437A patent/NO20081437L/no not_active Application Discontinuation
-
2009
- 2009-02-18 HK HK09101570.7A patent/HK1123818A1/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0070475A2 (en) * | 1981-07-17 | 1983-01-26 | Essex Chemical Corporation | Method of making a moisture-curable silicon terminated polymer |
EP0931800B1 (en) * | 1998-01-22 | 2004-10-13 | General Electric Company | Process for producing prepolymers which cure to improved sealants, and products formed thereby |
CN1294603A (zh) * | 1998-03-25 | 2001-05-09 | 汉高两合股份公司 | 聚氨酯和含有聚氨酯的制品 |
Also Published As
Publication number | Publication date |
---|---|
DK1924621T3 (da) | 2009-04-14 |
AU2006286874A1 (en) | 2007-03-08 |
JP2009507088A (ja) | 2009-02-19 |
CA2620991A1 (en) | 2007-03-08 |
BRPI0616128A2 (pt) | 2011-12-27 |
TW200722447A (en) | 2007-06-16 |
HK1123818A1 (en) | 2009-06-26 |
JP5909316B2 (ja) | 2016-04-26 |
AU2006286874B2 (en) | 2011-06-02 |
US8067522B2 (en) | 2011-11-29 |
CA2620991C (en) | 2014-05-27 |
CN101253209A (zh) | 2008-08-27 |
TWI405782B (zh) | 2013-08-21 |
PL1924621T3 (pl) | 2009-06-30 |
EP1924621B1 (de) | 2008-12-31 |
NO20081437L (no) | 2008-04-02 |
ATE419291T1 (de) | 2009-01-15 |
DE502006002528D1 (de) | 2009-02-12 |
ES2318789T3 (es) | 2009-05-01 |
WO2007025668A1 (de) | 2007-03-08 |
EP1924621A1 (de) | 2008-05-28 |
US20070055035A1 (en) | 2007-03-08 |
DE102005041953A1 (de) | 2007-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101253209B (zh) | 含烷氧基硅烷基团的低粘度预聚物、其制备方法和用途 | |
CN101253210B (zh) | 含烷氧基硅烷基团和特定脲基甲酸酯基团团和/或缩二脲基团团的预聚物、其制备方法和用途 | |
CN101311201B (zh) | 聚酯预聚物 | |
US6545087B1 (en) | Polyurethane prepolymers having alkoxysilane end groups, method for the production thereof and their use for the production of sealants | |
CA2713687C (en) | Novel urethane-containing silylated prepolymers and process for preparation thereof | |
CN102015734A (zh) | 含有硅烷化聚氨酯的可固化组合物 | |
CN101166773B (zh) | 具有提高的延展性的湿气固化性组合物 | |
CN102666648B (zh) | 用于密封剂和粘合剂的脲键合的烷氧基硅烷 | |
CA2622156A1 (en) | Preparation of amino-silane terminated polymer by using organic bismuth catalyst and cured polymer therefrom by using non-tin catalyst | |
CZ290407B6 (cs) | Polyurethanové prepolymery obsahující alkoxysilanové a hydantoinové skupiny, způsob jejich výroby a jejich pouľití jako těsnicích materiálů | |
TW200306990A (en) | Polyurethane prepolymers with reduced functionality having terminal alkoxysilane and OH groups, a method of preparing them and their use | |
KR20130048763A (ko) | 실란 가교결합 조성물 | |
CN102686627A (zh) | 聚氨酯预聚物 | |
JP2001503097A (ja) | ヒドロキシカルバモイルアルコキシシランをベースとしたポリ(エーテル―ウレタン)シーラント | |
EP3494162B1 (en) | Non-tin catalyst for curing alkoxysilyl-containing polymer | |
US20140190369A1 (en) | Polyurethane polymers | |
CN102741308A (zh) | 密封剂 | |
KR101212104B1 (ko) | 폴리올가노실옥산 변성 폴리우레탄 하이브리드 화합물, 이의 제조방법 및 이의 용도 | |
MXPA01004263A (en) | Polyurethane prepolymers having alkoxysilane end groups, method for the production thereof and their use for the production of sealants |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1123818 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1123818 Country of ref document: HK |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160612 Address after: German Monheim Patentee after: BAYER INTELLECTUAL PROPERTY GmbH Address before: Germany Leverkusen Patentee before: BAYER MATERIALSCIENCE AG Effective date of registration: 20160612 Address after: Leverkusen, Germany Patentee after: COVESTRO DEUTSCHLAND AG Address before: German Monheim Patentee before: BAYER INTELLECTUAL PROPERTY GmbH |