Helmut Greiving

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous coating compositions based on epoxybutene polyethers
- Patent number 6,787,627
- Issue date Sep 7, 2004
- Bayer Aktiengesellschaft
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing a polymer from 3,4-epoxy-1-butene
- Patent number 6,696,531
- Issue date Feb 24, 2004
- Bayer Polymers LLC
- Helmut Greiving
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for synthesizing khi-substituted ring systems
- Patent number 6,235,925
- Issue date May 22, 2001
- Bayer Aktiengesellschaft
- Christoph Gürtler
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Aqueous coating compositions based on epoxybutene polyethers
- Publication number 20030232955
- Publication date Dec 18, 2003
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...