Robert Vieler

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing polyurethane prepolymers containing isocyanate...
- Patent number 8,835,591
- Issue date Sep 16, 2014
- Bayer Intellectual Property GmbH
- Hans-Georg Pirkl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of di- and polyisocyanates of the diphenylmethane series...
- Patent number 7,205,430
- Issue date Apr 17, 2007
- Bayer MaterialScience Aktiengesellschaft
- Ulrich Liman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of mixtures of diisocyanates and polyisocyanates from th...
- Patent number 7,038,002
- Issue date May 2, 2006
- Bayer MaterialScience AG
- Hans-Georg Pirkl
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING POLYURETHANE PREPOLYMERS CONTAINING ISOCYANAT...
- Publication number 20130158291
- Publication date Jun 20, 2013
- Bayer Intellectual Property GmbH
- Hans-Georg Pirkl
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYURETHANES AND USE THEREOF
- Publication number 20120202945
- Publication date Aug 9, 2012
- Baulé S.A.S.
- Manfred Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Production of di- and polyisocyanates of the diphenylmethane series...
- Publication number 20050240054
- Publication date Oct 27, 2005
- Ulrich Liman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Production of mixtures of diisocyanates and polyisocyanates from th...
- Publication number 20050020797
- Publication date Jan 27, 2005
- Hans-Georg Pirkl
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Prepolymers useful for production of flame-retardant polyurethanes
- Publication number 20030092786
- Publication date May 15, 2003
- Ingo Brassat
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...