Inventor
KREIDL JANOS
HU23 patents
⚠️ This page may combine multiple inventors who share the name “KREIDL JANOS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICHTER GEDEON VEGYESZET
20 patentsUS4464535AAug 7, 1984
Process for the preparation of eburnamonine derivatives
RICHTER GEDEON VEGYESZET10 citations72
US4537900AAug 27, 1985
Cimetidine Z, a new crystal modification of cimetidine
RICHTER GEDEON VEGYESZET6 citations68
US4464534AAug 7, 1984
Process for the preparation of vincaminic acid esters
RICHTER GEDEON VEGYESZET2 citations61
US4399069AAug 16, 1983
Process for an enantioselective synthesis of optically active 14-oxo-E-homo-eburnane derivatives
RICHTER GEDEON VEGYESZET3 citations59
US4831194AMay 16, 1989
Process for the preparation of nitrodiaryl sulfoxides
RICHTER GEDEON VEGYESZET4 citations58
US4780537AOct 25, 1988
Pyrimidine derivatives and process preparing the same
RICHTER GEDEON VEGYESZET4 citations58
US5218119AJun 8, 1993
Process for preparing the octahydro-indolo[2,3-a] quinolizine diester derivatives
RICHTER GEDEON VEGYESZET3 citations57
US4474960AOct 2, 1984
Apovincaminic acid esters
RICHTER GEDEON VEGYESZET3 citations57
US4985463AJan 15, 1991
Aminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them
RICHTER GEDEON VEGYESZET3 citations56
US4710323ADec 1, 1987
Nitrodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them as active ingredient
RICHTER GEDEON VEGYESZET2 citations56
US6710183B2Mar 23, 2004
Process for the synthesis of a known tetrazol derivative
RICHTER GEDEON VEGYESZET4 citations55
US5707976AJan 13, 1998
Substituted propane-2-OL derivatives
RICHTER GEDEON VEGYESZET6 citations55
US4735946AApr 5, 1988
Eburnane derivatives, process for their preparation and pharmaceutical compositions containing them
RICHTER GEDEON VEGYESZET0 citations50
US4614824ASep 30, 1986
Novel apovincaminic acid derivatives
RICHTER GEDEON VEGYESZET1 citations50
US4839362AJun 13, 1989
Eburnamenine derivatives, pharmaceutical compositions and methods employing them and processes for their preparation
RICHTER GEDEON VEGYESZET1 citations49
US4960888AOct 2, 1990
Preparation of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine compounds
RICHTER GEDEON VEGYESZET0 citations48
US5340823AAug 23, 1994
Organosilane derivatives, pharmaceutical compositions containing them and process for preparing same
RICHTER GEDEON VEGYESZET0 citations47
US5198446AMar 30, 1993
Organosilane derivatives, pharmaceutical compositions containing them and process for preparing same
RICHTER GEDEON VEGYESZET1 citations47
US4956007ASep 11, 1990
Nitraminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them
RICHTER GEDEON VEGYESZET0 citations45
US5352790AOct 4, 1994
Process for the preparation of 1β-ethyl-1α-(hydroxymethyl)-1,2,3,4,6,7,12,12Bα-octahydro-indolo[2,3,-A]quinolizine and novel intermediates
RICHTER GEDEON VEGYESZET0 citations32