Henri Gongora

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of aprotic polar solvents from their saline aqueous solutions
- Patent number 5,458,751
- Issue date Oct 17, 1995
- Societe National Elf Aquitaine (Production)
- Henri Gongora
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the production of lower dialkyl disulphides
- Patent number 5,001,269
- Issue date Mar 19, 1991
- Societe Nationale Elf Aquitaine (Production)
- Henri Gongora
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of organic polysulphides and catalyst sy...
- Patent number 4,876,389
- Issue date Oct 24, 1989
- Societe Nationale Elf Aquitaine (Production)
- Henri Gongora
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Manufacture of alkane sulphonyl chlorides
- Patent number 4,699,736
- Issue date Oct 13, 1987
- Societe Nationale Elf Aquitaine (Production)
- Henri Gongora
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sealing system in a chemical apparatus between an enlosure of britt...
- Patent number 4,645,648
- Issue date Feb 24, 1987
- Societe Nationale Elf Aquitaine
- Henri Gongora
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL