Gontran Royer

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Bergerac, FR

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for the nitration of cellulose and apparatus the...
- Patent number 4,206,302
- Issue date Jun 3, 1980
- Societe Nationole des Poudres et Explosifs
- Francois A. Pollozec
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...