Herbert Echterhof

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Erkelenz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for removing alkaline catalysts from polyether polyols
- Patent number 4,482,750
- Issue date Nov 13, 1984
- Bayer Aktiengesellschaft
- Hartmut Hetzel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...