Heinz Hammer

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of oligomeric 2,2,4-trimethyl-1,2-dihyd...
- Patent number 4,897,482
- Issue date Jan 30, 1990
- Bayer Aktiengesellschaft
- Manfred Blazejak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the foaming of thermoplastics containing ester and/or c...
- Patent number 4,728,673
- Issue date Mar 1, 1988
- Bayer Aktiengesellschaft
- Heinz Hammer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aliphatic polyesters containing sulphur, and their use as stabilize...
- Patent number 4,699,972
- Issue date Oct 13, 1987
- Bayer Aktiengesellschaft
- Heinz Hammer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for foaming thermoplastic aromatic polycarbonates
- Patent number 4,567,210
- Issue date Jan 28, 1986
- Bayer Aktiengesellschaft
- Heinz Hammer
- C07 - ORGANIC CHEMISTRY