Jurg Keifer

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Reinach, CH

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Patents Grantslast 30 patents

Information Patent Grant
Thermosetting mixtures of polyimide beta-amino crotonic acid deriva...
- Patent number 4,161,580
- Issue date Jul 17, 1979
- Ciba-Geigy Corporation
- Theobald Haug
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...