Inventor · Münchenstein, CH

Benoit Pugin

31Patents
9h-index
40Co-inventors
75Inventor score

Filing activity: Jul 29, 1987 → Apr 26, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5011995A Process for the preparation of optically active secondary amines Chemistry; Metallurgy 33 Expired
US5783715A Silylated ferrocenyldiphosphines, silylated ferrocenyldiphosphines bound to inorganic or polymeric organic supports and also metal complexes thereof, their preparation and uses Performing Operations; Transporting 21 Expired
US6169192A Functionalized ferrocenyldiphosphines, a process for their preparation and their use Chemistry; Metallurgy 19 Expired
US4994615A Process for the preparation of optically active secondary arylamines Chemistry; Metallurgy 19 Expired
US6015919A Dihalogenated ferrocenes and processes for the preparation thereof Emerging Cross-Sectional Technologies 15 Expired
US7244841B2 Porphyrin derivatives and their use in photodynamic therapy Human Necessities 13 Expired
US5432289A Diphosphines containing silane groups, immobilized diphosphines and the use thereof as hydrogenation catalysts Emerging Cross-Sectional Technologies 13 Expired
US5244857A Diphosphines containing silane groups, immobilise diphosphines and the use thereof as hydrogenation catalysts Emerging Cross-Sectional Technologies 11 Expired
US5925778A Dihalogenated ferrocenes and processes for the preparation thereof Emerging Cross-Sectional Technologies 9 Expired
US5627293A Silylated ferrocenyldiphosphines, silylated ferrocenyldiphosphines bound to inorganic or polymeric organic supports and also metal complexes thereof, their preparation and use Performing Operations; Transporting 8 Expired
US5252751A Diphosphines containing silane groups, immobilised diphosphines and the use thereof as hydrogenation catalysts Emerging Cross-Sectional Technologies 6 Expired
US5777062A Diphosphines bonded to side chains of polymers, and metal complexes thereof Chemistry; Metallurgy 5 Expired
US5306853A Diphosphines containing silane groups, immobilized diphosphines and the use thereof as hydrogenation catalysts Emerging Cross-Sectional Technologies 5 Expired
US6133464A Chiral ferrocenyls Performing Operations; Transporting 4 Expired
US7589196B2 Amine-substituted biphenyldiphosphines Performing Operations; Transporting 4 Expired
US6515183B2 Chiral diphenyldiphosphines and d-8 metal complexes thereof Emerging Cross-Sectional Technologies 2 Expired
US5308819A Diphosphines containing silane groups, immobilised diphosphines and the use thereof as hydrogenation catalysts Emerging Cross-Sectional Technologies 2 Expired
US7435840B2 Method for producing orthometalated and orthosubstituted metallocenes Chemistry; Metallurgy 2 Expired
US6281390A Chiral diphenyldiphosphines and d-8 metal complexes thereof Emerging Cross-Sectional Technologies 2 Expired
US6248899A Transesterification catalysts fixed to solid support materials Performing Operations; Transporting 2 Expired
US7816525B1 Process for the preparation of optically pure tetrahydropterins and derivatives, and specifically of optically pure tetrahydrofolic acid and derivatives thereof, by stereospecific hydrogenation Human Necessities 1 Expired
US5883283A Process for the preparation of substituted 3-aminobenzonitriles Chemistry; Metallurgy 1 Expired
US5382729A Diphosphines containing silane groups, immobilized diphosphins and the use thereof as hydrogenation catalysts Emerging Cross-Sectional Technologies 1 Expired
US8106227B2 Ferrocenediphosphines Chemistry; Metallurgy 0 Active
US8008529B2 Chiral ligands used in transition metal catalysts for asymmetric addition reactions especially hydrogenation Chemistry; Metallurgy 0 Active

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