Paul Wittmer

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Landau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Particulate polystyrene containing blowing agent and having improve...
- Patent number 4,525,484
- Issue date Jun 25, 1985
- BASF Aktiengesellschaft
- Klaus Hahn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Particulate polystyrene containing blowing agent and having improve...
- Patent number 4,520,135
- Issue date May 28, 1985
- BASF Aktiengesellschaft
- Klaus Hahn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Particulate polystyrene containing blowing agent and having improve...
- Patent number 4,513,105
- Issue date Apr 23, 1985
- BASF Aktiengesellschaft
- Klaus Hahn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...