Hansjoachim Freier

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of thinlayer polyester coatings
- Patent number 4,303,567
- Issue date Dec 1, 1981
- Bayer Aktiengesellschaft
- Walter Frank
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...