Gunther Keil

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Hofheim am Taunus, DE

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Patents Grantslast 30 patents

Information Patent Grant
Film of aromatic copolyamide from bis(aminophenoxy) benzene
- Patent number 4,981,943
- Issue date Jan 1, 1991
- Hoechst Aktiengesellschaft
- Friedrich Herold
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...