Inventor

FREMY GEORGES

FR35 patents

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

FREMY GEORGES

ARKEMA FRANCE

Preparation of symmetrical and asymmetrical disulphides by reactive distillation of mixtures of disulphides

Method for preparing methyl mercaptan

Method for preparing dimethyl disulphide

Catalyst for the synthesis of methyl mercaptan and process for producing methyl mercaptan from synthesis gas and hydrogen sulphide

Catalyst for the synthesis of methyl mercaptan and process for producing methyl mercaptan from synthesis gas and hydrogen sulphide

Method for producing L-methionine

Process for the co-production of alkyl mercaptan and dialkyl disulfide from alcohol

Method for producing mercaptans by hydrogen-assisted disulfide enzyme hydrogenolysis

Use of mercapto-methyl esters as chain transfer agents

Method for preparing methyl mercaptan

Functionalised cyclic dithiocarbamate synthesis method

Functionalised polysulphide synthesis method

Method for producing mercaptans by disulfide enzyme hydrogenolysis

Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin

Semi-continuous photochemical method and device therefor

Process for the co-production of methyl mercaptan and of dimethyl disulfide from carbon oxides

Method for preparing polythiols

Method for preparing alkali metal sulphide

Method for producing L-methionine

ATOCHEM ELF SA

Compositions based on dimethyl disulphide with a masked smell

Method for making dimethyl disulphide compositions having a masked smell

Synthesis of organic disulphides and polysulphides

Production of stabilized and deodorized organic polysulphides

FREMY GEORGES

Additive for reducing coking and/or carbon monoxide in cracking reactors and heat exhangers and use of same

Preparation of process of L-methionine

Process for preparing dialkyl disulphides

BRUN CLAUDE

Hydrotreatment catalyst, method for production and use thereof

CAPDEVILLE SERGE

Process for the purification of gaseous mixtures containing mercaptans and other acid gases

BARRE PATRICE

Hydrogenation catalyst, particularly for carbon disulphide

TOTAL RAFFINAGE MARKETING

Hydroprocessing catalyst, method for the preparation thereof and use of the same

FORQUY CHRISTIAN

Dimethyl disulphide derived at least partially from renewable materials

TOTAL MARKETING SERVICES

Hydroprocessing catalyst, preparation method thereof and use of same

PLEE DOMINIQUE

Carbon oxide capture

CHOLLEY THIERRY

Hydroprocessing catalyst, preparation method thereof and use of same

HUMBLOT FRANCIS

Hydrotreating catalyst sulphiding agent and its use for in situ and ex situ presulphidation