Inventor

VALLEJOS JEAN CLAUDE

FR18 patents

⚠️ This page may combine multiple inventors who share the name “VALLEJOS JEAN CLAUDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VALLEJOS JEAN CLAUDE

HOECHST FRANCE

Preparation process for arylacetic acids and their alkali metal salts

Transvinylation of carboxylic acids

Process for the manufacture of alkyl pyruvates

Process for the preparation of hydroxybenzaldehydes

Process for manufacturing thienyl-2 acetic acid

Preparation method for 2-coumaranone

Preparation process for hydroxyphenylacetic acids

Process for preparation of hydroxyarylglyoxylic acids and their alkaline salts, and application thereof to preparation of sodium parahydroxyphenylglyoxylate

Process for preparation of alkanoic acids

ALBALAT MURIEL

Process for deacetalisation of α aminoacetals

Process of preparation of optically active αaminoacetals

SCHOUTEETEN ALAIN

Process for the synthesis of (E)-stilbene derivatives which makes it possible to obtain resveratrol and piceatannol

CLARIANT CHIMIE SA

Process for the preparation of the enol lactone of 2-oxocyclohexlidene acetic acid and application to the preparation of 2-cuomaranone

CLARIANT FRANCE SA

Process for the preparation of primary amines

CLARIANT SA

Preparation process for α, β-dicarbonylated compounds

NOBEL HOECHST CHIMIE

Method of preparation of 6-aza uracile and its O-disilyl derivative

VALLEJOS JEAN-CLAUDE

Process for the synthesis of polyhydroxystilbene compounds

CLARIANT SPECIALTY FINE CHEM F

Process of racemisation of optically active alpha aminoacetals