Inventor · Sainte-Foy-lès-Lyon, FR

Michel Devic

39Patents
9h-index
21Co-inventors
75Inventor score

Filing activity: Nov 24, 1981 → Dec 22, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7202308B2 Hydrogenation method for unsaturated block copolymers and hydrogenated unsaturated block copolymers Emerging Cross-Sectional Technologies 56 Expired
US6447743B1 Method for preparing an aqueous hydrogen peroxide solution directly from hydrogen and oxygen Performing Operations; Transporting 32 Expired
US8252964B2 Process for the purification of 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf) Chemistry; Metallurgy 18 Active
US5296100A H.sub.2 O.sub.2 /alkaline bleaching of wood pulps Textiles; Paper 12 Expired
US5480788A Bleaching of plant materials Chemistry; Metallurgy 11 Expired
US5143581A Method of peroxide bleaching of pulp pretreated with a sequestering agent then with a sulphite and reducing agent Textiles; Paper 10 Expired
US6958138B1 Supported metal catalyst, preparation and applications for directly making hydrogen peroxide Performing Operations; Transporting 9 Expired
US4379092A Process for the preparation of anthraquinone and its substituted derivatives Chemistry; Metallurgy 9 Expired
US6019870A Process for the preparation of delignified and bleached chemical paper pulps Textiles; Paper 9 Expired
US5219601A Two-step bleaching of plant materials Human Necessities 8 Expired
US4812206A Process for bleaching lignocellulosic matter Textiles; Paper 8 Expired
US5298118A Preparation of bleached chemithermomechanical pulp Textiles; Paper 6 Expired
US5338402A Process for preparing a bleached chemithermomechanical pulp Textiles; Paper 6 Expired
US8329964B2 Method for preparing 2,3,3,3-tetrafluoro-1-propene Performing Operations; Transporting 5 Active
US5085880A Process for the preparation of bleached vegetable pulps Human Necessities 5 Expired
US5449436A Bleaching of deinked paper/wood pulp Emerging Cross-Sectional Technologies 5 Expired
US7060244B2 Method for directly obtaining hydrogen peroxide Performing Operations; Transporting 4 Expired
US4496760A Process of decomposition of a complex of ortho-benzoyl benzoic acid, hydrogen fluoride and boron trifluoride Chemistry; Metallurgy 3 Expired
US5094866A Bleaching of vegetable pulps Human Necessities 3 Expired
US4966984A Process for the cyclization of orthobenzoylbenzoic acid Chemistry; Metallurgy 3 Expired
US5124171A Removal of peroxide values from bleached/dried vegetable matter Human Necessities 2 Expired
US6554958B1 Process for the delignification and bleaching of chemical paper pulps with hydrogen peroxide and at least one polymer Textiles; Paper 2 Expired
US4591460A Process for the decomposition of a complex of orthobenzoyl-benzoic acid, hydrogen fluoride and boron trifluoride Emerging Cross-Sectional Technologies 1 Expired
US4717451A Process for the preparation of anthraquinone dispersions and their use in alkaline wood digestion processes Chemistry; Metallurgy 1 Expired
US8841493B2 Process for preparing fluoroolefin compounds Emerging Cross-Sectional Technologies 1 Active

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