Bernard Bossand

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Communay, FR

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Patents Grantslast 30 patents

Information Patent Grant
Filter paper for laden liquids
- Patent number 6,224,768
- Issue date May 1, 2001
- Elf Antar France
- Francois-Pierre Navarre
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Device for purifying lightly laden water
- Patent number 5,984,110
- Issue date Nov 16, 1999
- Elf Antar France
- Francois-Pierre Navarre
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filled paper for gas filtration
- Patent number 5,965,091
- Issue date Oct 12, 1999
- Elf Antar France
- Francois-Pierre Navarre
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the treatment of oily suspensions
- Patent number 5,681,483
- Issue date Oct 28, 1997
- Elf Antar France
- Francois-Pierre Navaree
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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...
Information Patent Grant
Organic ameliorators protected by a hydrocarbon structure allowing...
- Patent number 4,684,391
- Issue date Aug 4, 1987
- Elf France
- Bernard Bossand
- C05 - FERTILISERS MANUFACTURE THEREOF