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Laurent Germanaud
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Valencin Le Fayet, FR
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last 30 patents
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Patent Grant
Nitrogenous additives with an antioxidant action and lubricating co...
Patent number
5,269,954
Issue date
Dec 14, 1993
Elf France
Laurent Germanaud
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sulphur-containing additives to lubricants with antiwear and extrem...
Patent number
5,062,977
Issue date
Nov 5, 1991
Elf France
Laurent Germanaud
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Additives to lubricating oils having extreme pressure, antiwear and...
Patent number
5,021,175
Issue date
Jun 4, 1991
Elf France
Laurent Germanaud
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric compounds especially useful as additives to lubricants an...
Patent number
4,986,924
Issue date
Jan 22, 1991
Societe Nationale Elf Aquitaine
Laurent Germanaud
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyfluorinated compounds, their preparation and their use as lubri...
Patent number
4,859,357
Issue date
Aug 22, 1989
Societe ATOCHEM
Laurent Germanaud
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Lubricants and new polyfluorinated compounds which can be used as a...
Patent number
4,832,859
Issue date
May 23, 1989
Atochem
Dominique Basset
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Surface-active compounds of the sulfobetaines family, their manufac...
Patent number
4,704,229
Issue date
Nov 3, 1987
Institut Francais du Petrole
Sylvain Brunel
C07 - ORGANIC CHEMISTRY