Inventor
BERGMANN ROLF
DE25 patents
⚠️ This page may combine multiple inventors who share the name “BERGMANN ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK PATENT GMBH
20 patentsUS4024272AMay 17, 1977
Tetracyclic compounds
MERCK PATENT GMBH251 citations97
US5387587AFeb 7, 1995
Chroman derivatives
MERCK PATENT GMBH50 citations95
US5013853AMay 7, 1991
Chroman derivatives
MERCK PATENT GMBH30 citations92
US4766213AAug 23, 1988
1,4-dihydropyridines
MERCK PATENT GMBH36 citations92
US6153627ANov 28, 2000
Chroman derivatives
MERCK PATENT GMBH20 citations91
US5132307AJul 21, 1992
Tetralin compounds
MERCK PATENT GMBH19 citations82
US3988468AOct 26, 1976
7-Methoxy-6-thiatetracyclines and their preparation
MERCK PATENT GMBH19 citations80
US5238937AAug 24, 1993
Pyridaziny or oxodihydropyridazinyl chroman derivatives
MERCK PATENT GMBH11 citations73
US5143924ASep 1, 1992
Oxodihydropyridyl chroman derivatives
MERCK PATENT GMBH12 citations73
US5112839AMay 12, 1992
Chroman derivatives
MERCK PATENT GMBH15 citations73
US4162314AJul 24, 1979
7[2(Substituted phenyl)2-(amino)acetamido]cephalosporin derivatives
MERCK PATENT GMBH14 citations73
US4031230AJun 21, 1977
Novel penicillins and their preparation
MERCK PATENT GMBH17 citations72
US5112972AMay 12, 1992
Synthesis of chroman derivatives
MERCK PATENT GMBH16 citations71
US4914114AApr 3, 1990
3-[4-(4-phenyl-1,2,3,6-tetrahydro-1-pyridyl)butyl]-5-hydroxy-indole methanesulfonate having sedating and anti-parkinsonism properties
MERCK PATENT GMBH4 citations63
US4711893ADec 8, 1987
Use of hydroxyindole derivatives in lowering blood pressure
MERCK PATENT GMBH6 citations63
US5232944AAug 3, 1993
Chroman derivatives
MERCK PATENT GMBH2 citations62
US5036068AJul 30, 1991
4-(pyridyl)- and 4-(oxo-pyridyl)-1,3-benzoxazines
MERCK PATENT GMBH2 citations62
US4931454AJun 5, 1990
Azachroman derivatives with effects on the cardiovascular system
MERCK PATENT GMBH6 citations62
US4153693AMay 8, 1979
1,4-Dihydro-4-oxo-pyridylacetamido cephalosporins and their utilization as medicinal agents for combating bacterial infections
MERCK PATENT GMBH4 citations61
US4243810AJan 6, 1981
Pyridone-acetic acid derivative
MERCK PATENT GMBH1 citations51