Frank Weyrich

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Copolymers, devoid of rubber, with low residual monomer content and...
- Patent number 7,153,929
- Issue date Dec 26, 2006
- Bayer Aktiengesellschaft
- Alfred Eitel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus for carrying out mass transfer processes
- Patent number 6,761,797
- Issue date Jul 13, 2004
- Bayer Aktiengesellschaft
- Klemens Kohlgrüber
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polyamide composition and method for producing the same
- Patent number 6,710,159
- Issue date Mar 23, 2004
- Bayer Aktiengesellschaft
- Heinrich Morhenn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Copolymers, devoid of rubber,with low residual monomer content and...
- Publication number 20040102593
- Publication date May 27, 2004
- Alfred Eitel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyamide composition and method for producing the same
- Publication number 20030176625
- Publication date Sep 18, 2003
- Heinrich Morhenn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Apparatus for carrying out mass transfer processes
- Publication number 20020092625
- Publication date Jul 18, 2002
- Klemens Kohlgruber
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL