Dieter Constant

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Stabilization of polycarbonates having high heat distortion tempera...
- Patent number 5,668,204
- Issue date Sep 16, 1997
- Bayer Aktiengesellschaft
- Helmut-Martin Meier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Abietic acid derivatives and their use as emulsifiers
- Patent number 5,456,861
- Issue date Oct 10, 1995
- Bayer AG
- Karl-Erwin Piejko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer combinations with a high rubber content
- Patent number 5,250,622
- Issue date Oct 5, 1993
- Bayer Aktiengesellschaft
- Holger Lutjens
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...