Manfred Spies

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Marburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of SiO.sub.2 containing polybenzamides
- Patent number 5,006,636
- Issue date Apr 9, 1991
- Bayer Aktiengesellschaft
- Manfred Spies
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polybenzamide with halide catalyst
- Patent number 4,696,999
- Issue date Sep 29, 1987
- Bayer Aktiengesellschaft
- Manfred Spies
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...