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Koln, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Phase boundary processes for preparing polycarbonates
Patent number
7,847,051
Issue date
Dec 7, 2010
Bayer MaterialScience AG
Wolfgang Ebert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the continuous production of an aqueous polyurethane di...
Patent number
7,345,110
Issue date
Mar 18, 2008
Bayer MaterialScience AG
Rolf Gertzmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polymeric condensates and their use
Patent number
6,989,106
Issue date
Jan 24, 2006
Bayer Aktiengesellschaft
Karlheinrich Meisel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyether polyols
Patent number
6,776,925
Issue date
Aug 17, 2004
Bayer Aktiengesellschaft
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyether polyols
Patent number
6,670,406
Issue date
Dec 30, 2003
Bayer Aktiengesellschaft
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PHASE BOUNDARY PROCESSES FOR PREPARING POLYCARBONATES
Publication number
20090275709
Publication date
Nov 5, 2009
Bayer MaterialScience AG
Wolfgang Ebert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Homogenising nozzle and process for the production of an aqueous tw...
Publication number
20060283979
Publication date
Dec 21, 2006
Bayer MaterialScience AG
Bernd Klinksiek
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for the continuous production of an aqueous polyurethane di...
Publication number
20050234190
Publication date
Oct 20, 2005
Rolf Gertzmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process and apparatus for the production of a two-component coating...
Publication number
20040249105
Publication date
Dec 9, 2004
Hans-Jurgen Nolte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing pulverulent active substance formulations wit...
Publication number
20040076670
Publication date
Apr 22, 2004
Bernd Klinksiek
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Process for the preparation of polymeric condensates and their use
Publication number
20040039152
Publication date
Feb 26, 2004
Karlheinrich Meisel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing polyether polyols
Publication number
20020198278
Publication date
Dec 26, 2002
Jorg Hofmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the preparation of polyether polyols
Publication number
20020169229
Publication date
Nov 14, 2002
Jorg Hofmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL