Manfred Giersig

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyester polyols, a process for their production and their use in...
- Patent number 4,681,903
- Issue date Jul 21, 1987
- Bayer Aktiengesellschaft
- Peter Haas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...