Jean Gueyne

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Compounds containing biologically active silicon, which are under s...
- Patent number 6,197,986
- Issue date Mar 6, 2001
- Exsymol S.A.M.
- Marie-Christine Seguin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Extraction of insecticides from plants
- Patent number 4,698,222
- Issue date Oct 6, 1987
- SAPHYR S.A.R.L.
- Francoise Grinda
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Manufacture of non-saponifiable compounds from natural substances a...
- Patent number 4,549,990
- Issue date Oct 29, 1985
- Societe dite: Exsymol S.A.M.
- Marie-Christine Seguin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE