Inventor
DREXLER FERENC
7 patents
Patents
7 patentsUS4356305AOct 26, 1982
Process for the preparation of halovincamone derivatives
RICHTER GEDEON VEGYESZET3 citations62
US4314939AFeb 9, 1982
Process for the preparation of 15-hydroxyimino-E-homoeburnane and intermediates therefor
RICHTER GEDEON VEGYESZET2 citations62
US4285950AAug 25, 1981
10-halo-E-homoeburnane derivatives, a process for the preparation thereof, a process for the use thereof as vasodilators, and vasodilating compositions thereof
RICHTER GEDEON VEGYESZET2 citations62
US4400514AAug 23, 1983
Process for the preparation of apovincaminic acid ester derivatives
RICHTER GEDEON VEGYESZET4 citations59
US5218119AJun 8, 1993
Process for preparing the octahydro-indolo[2,3-a] quinolizine diester derivatives
RICHTER GEDEON VEGYESZET3 citations57
US4343738AAug 10, 1982
Halogenated 15-hydroxy-E-homoeburane derivatives
RICHTER GEDEON VEGYESZET0 citations51
US4285865AAug 25, 1981
Process for the preparation of halogenated 15-hydroxy-E-homoeburnane compounds
RICHTER GEDEON VEGYESZET1 citations51