Inventor · Oberwil, CH

Yvo Crameri

15Patents
5h-index
19Co-inventors
63Inventor score

Filing activity: May 21, 1979 → Mar 15, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4857648A Isoquinoline derivatives Chemistry; Metallurgy 12 Expired
US4283559A Process for the manufacture of cyclohexene derivatives Chemistry; Metallurgy 10 Expired
US4539411A Rhodium complexes of chiral phosphines Performing Operations; Transporting 8 Expired
US4652657A Chiral rhodium-diphosphine complexes Performing Operations; Transporting 7 Expired
US5852212A Process for preparation of optically active .alpha.-bromo and .alpha.-chlorocarboxylic compounds Emerging Cross-Sectional Technologies 6 Expired
US5288928A Asymmetrical hydrogenation Chemistry; Metallurgy 5 Expired
US5750690A Asymmetric hydrogenation process using ruthenium-diphosphine complexe Chemistry; Metallurgy 4 Expired
US4435585A Process for the preparation of dihydrocinnamaldehyde derivatives Chemistry; Metallurgy 4 Expired
US6300509A Amino-amide-ruthenium complexes Performing Operations; Transporting 3 Expired
US4620013A Chiral phosphines Performing Operations; Transporting 2 Expired
US6187961A Process for the preparation of trans-(R,R)-actinol Performing Operations; Transporting 1 Expired
US5543559A Process for the enantioselective hydrogenation of ketosiophorone derivatives Chemistry; Metallurgy 1 Expired
US6605723B2 Process for the preparation of ethanesul fonyl-piperidine derivatives Human Necessities 0 Expired
US4508925A 3-Phenyl-propionaldehydes Chemistry; Metallurgy 0 Expired
US5142063A Chiral rhodium-diphosphine complexes Performing Operations; Transporting 0 Expired

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