ELF FRANCE Societe Anonyme

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating a fuel comprising a mixture of hydrocarbons and...
- Patent number 4,889,537
- Issue date Dec 26, 1989
- ELF FRANCE Societe Anonyme
- Yves Aurelle
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Reduced viscosity heavy hydrocarbon composition in form of multiple...
- Patent number 4,804,495
- Issue date Feb 14, 1989
- Societe Anonyme Elf France
- Dominique Bouchez
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process and application for the determination of turbidity and flow...
- Patent number 4,770,540
- Issue date Sep 13, 1988
- Societe Anonyme Elf France
- Benoit Chague
- G01 - MEASURING TESTING
Information Patent Grant
Protection of hydrocarbons against the action of microorganisms
- Patent number 4,708,720
- Issue date Nov 24, 1987
- Societe Anonyme Elf France
- Henri Grangette
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

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