Norbert C. Duffaut

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Podensac, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for eliminating clays from rocks and sedimentary environments
- Patent number 4,553,597
- Issue date Nov 19, 1985
- Lamothe, Boulan, Dunogues, Duffaut, and Ribault
- Loic P. Le Ribault
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...