Inventor · Budapest, HU

Ferenc Drexler

7Patents
2h-index
16Co-inventors
44Inventor score

Filing activity: Jul 14, 1980 → Jan 13, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US4356305A Process for the preparation of halovincamone derivatives Human Necessities 3 Expired
US4285950A 10-halo-E-homoeburnane derivatives, a process for the preparation thereof, a process for the use thereof as vasodilators, and vasodilating compositions thereof Human Necessities 2 Expired
US4400514A Process for the preparation of apovincaminic acid ester derivatives Chemistry; Metallurgy 2 Expired
US4314939A Process for the preparation of 15-hydroxyimino-E-homoeburnane and intermediates therefor Chemistry; Metallurgy 2 Expired
US4285865A Process for the preparation of halogenated 15-hydroxy-E-homoeburnane compounds Human Necessities 1 Expired
US5218119A Process for preparing the octahydro-indolo[2,3-a] quinolizine diester derivatives Chemistry; Metallurgy 1 Expired
US4343738A Halogenated 15-hydroxy-E-homoeburane derivatives Human Necessities 0 Expired

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