FD

Ferenc Drexler

RR Richter Gedeon Vegyeszeti Gyar Rt: 7 patents #53 of 706Top 8%
📍 Budapest, HU: #336 of 4,609 inventorsTop 8%
Overall (All Time): #767,118 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5218119 Process for preparing the octahydro-indolo[2,3-a] quinolizine diester derivatives Janos Kreidl, Maria Farkas nee Kirjak, Katalin Nogradi, Ida Deutsch nee Juhasz, Judit Meszaros nee Brill +5 more 1993-06-08
4400514 Process for the preparation of apovincaminic acid ester derivatives Csaba Szantay, Lajos Szabo, Gyorgy Kalaus, Lajos Dancsi, Tibor Keve +1 more 1983-08-23
4356305 Process for the preparation of halovincamone derivatives Csaba Szantay, Lajos Szabo, Gyorgy Kalaus, Lajos Dancsi, Tibor Keve 1982-10-26
4343738 Halogenated 15-hydroxy-E-homoeburane derivatives Csaba Szantay, Lajos Szabo, Gyorgy Kalaus, Lajos Dancsi, Tibor Keve 1982-08-10
4314939 Process for the preparation of 15-hydroxyimino-E-homoeburnane and intermediates therefor Csaba Szantay, Lajos Szabo, Gyorgy Kalaus, Lajos Dancsi, Tibor Keve 1982-02-09
4285865 Process for the preparation of halogenated 15-hydroxy-E-homoeburnane compounds Csaba Szantay, Lajos Szabo, Gyorgy Kalaus, Lajos Dancsi, Tibor Keve 1981-08-25
4285950 10-halo-E-homoeburnane derivatives, a process for the preparation thereof, a process for the use thereof as vasodilators, and vasodilating compositions thereof Csaba Szantay, Lajos Szabo, Gyorgy Kalaus, Lajos Dancsi, Tibor Keve 1981-08-25