Inventor · Vernaison, FR

Philippe Marion

49Patents
8h-index
52Co-inventors
78Inventor score

Filing activity: Oct 7, 1994 → Dec 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6559333B1 Method for purifying aliphatic aminonitriles Chemistry; Metallurgy 67 Expired
US7470805B2 Process of synthesis of compounds having nitrile functions from ethylenically unsaturated compounds Chemistry; Metallurgy 27 Active
US7084293B2 Process of synthesis of compounds having nitrile functions from ethylenically unsaturated compounds Chemistry; Metallurgy 26 Expired
US7442825B2 Making nitrile compounds from ethylenically unsaturated compounds Chemistry; Metallurgy 16 Expired
US6423872B1 Continuous Ni/low A1 catalyzed hydrogenation of aromatic nitro compounds Chemistry; Metallurgy 15 Expired
US7253298B2 Process for preparing nitrile compounds from ethylenically unsaturated compounds Performing Operations; Transporting 14 Expired
US5554573A Raney-type catalysts for the hydrogenation of halonitroaromatic compounds Chemistry; Metallurgy 10 Expired
US6254789A Method for treating aqueous solutions comprising acids and nitrated compounds Emerging Cross-Sectional Technologies 8 Expired
US7531682B2 Method for making nitrile compounds from ethylenically unsaturated compounds Performing Operations; Transporting 8 Expired
US10035746B2 Process for the decarboxylative ketonization of fatty acids or fatty acid derivatives Chemistry; Metallurgy 6 Active
US6547933B2 Process for the purification of aromatic polyamines Emerging Cross-Sectional Technologies 6 Expired
US5689021A Raney-type catalysts for the hydrogenation of halonitroaromatic compounds Chemistry; Metallurgy 6 Expired
US7485741B2 Method of producing nitrile compounds from ethylenically-unsaturated compounds Chemistry; Metallurgy 4 Expired
US10800962B2 Formulations for enhanced oil recovery comprising sulfonates Fixed Constructions 3 Active
US7632483B2 Hydrogen generating system and hydrodehalogenation method Emerging Cross-Sectional Technologies 3 Expired
US5820764A Treatment/removal of byproduct aqueous effluents comprising hydroxynitro-aromatic compounds Emerging Cross-Sectional Technologies 3 Expired
US5554299A Treatment/removal of byproduct aqueous effluents comprising hydroxynitroaromatic compounds Emerging Cross-Sectional Technologies 3 Expired
US5856577A Process for the preparation of fluoroanilines from fluorinated nitrated benzene compounds Chemistry; Metallurgy 2 Expired
US8247561B2 Preparation of methylpentamethylenediamine and methylpiperidine Chemistry; Metallurgy 2 Active
US6040481A Method for hydrogenating aromatic nitro compounds Chemistry; Metallurgy 2 Expired
US11028315B2 Zwitterionic surfactants suitable for enhanced oil recovery Fixed Constructions 1 Active
US11186538B2 Twin tail amine compounds and their zwitterionic derivatives Chemistry; Metallurgy 1 Active
US11692124B2 Formulations for enhanced oil recovery comprising sulfonates Fixed Constructions 1 Active
US10906857B2 Process for the catalytic decarboxylative cross-ketonization of aryl and aliphatic carboxylic acid Emerging Cross-Sectional Technologies 1 Active
US8933279B2 Method for preparing a mixture of alcohols Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.