Rudi Wolfgramm

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of cold-setting flexible polyurethane fo...
- Patent number 5,063,253
- Issue date Nov 5, 1991
- Bayer Aktiengesellschaft
- Peter Gansen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...