Alain Vaussard

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Pau, FR

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Patents Grantslast 30 patents

Information Patent Grant
Scleroglucan based drilling mud
- Patent number 5,612,294
- Issue date Mar 18, 1997
- Elf Aquitaine
- Alain Vaussard
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Application of scleroglucan muds to drilling deviated wells
- Patent number 5,330,015
- Issue date Jul 19, 1994
- Societe Nationale Elf Aquitaine
- Alain Donche
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...