Pierre Allemand

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Colombes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Reversible plugging of oil bearing formations
- Patent number 4,665,985
- Issue date May 19, 1987
- Rhone-Poulenc Recherches
- Gerard Berrod
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...