P

Inventor

AHRENS KURT H

DE26 patents
⚠️ This page may combine multiple inventors who share the name “AHRENS KURT H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEUMANN LUDWIG & CO GMBH

15 patents
US4599346AJul 8, 1986

Propan-2-ol derivatives, a process for their production and medicaments containing these compounds

HEUMANN LUDWIG & CO GMBH7 citations73
US5025016AJun 18, 1991

Pyrimidine-thioalkyl pyridine derivatives, medicaments containing these compounds, and method of treatment

HEUMANN LUDWIG & CO GMBH13 citations71
US4697035ASep 29, 1987

Process for the preparation of basically substituted phenylacetonitriles

HEUMANN LUDWIG & CO GMBH8 citations68
US4732986AMar 22, 1988

Benzothiazole derivatives, processes for their preparation and pharmaceutical compositions containing these compounds

HEUMANN LUDWIG & CO GMBH3 citations62
US4666921AMay 19, 1987

Pyrazole derivatives, processes for their preparation and pharmaceutical preparations containing these compounds

HEUMANN LUDWIG & CO GMBH4 citations62
US4659721AApr 21, 1987

Alkanol derivatives, and pharmaceutical preparation containing these compounds

HEUMANN LUDWIG & CO GMBH6 citations62
US4656180AApr 7, 1987

Diamine derivatives and pharmaceutical preparations containing these compounds

HEUMANN LUDWIG & CO GMBH5 citations62
US4600721AJul 15, 1986

Pharmaceutical preparation

HEUMANN LUDWIG & CO GMBH2 citations62
US4559344ADec 17, 1985

Pyridine-pyrimidinone derivatives, a process for their production and H.sub. -antagonist medicament containing these compounds

HEUMANN LUDWIG & CO GMBH2 citations61
US4578389AMar 25, 1986

Quinazoline and medicaments containing these compounds

HEUMANN LUDWIG & CO GMBH3 citations60
US4634700AJan 6, 1987

1,3-dioxolanyl derivatives, a process for their preparation, their use and pharmaceutical preparations containing these compounds

HEUMANN LUDWIG & CO GMBH5 citations57
US4647684AMar 3, 1987

Process for the production of 4-amino-6,7-dimethoxy-2-[4-(furo-2-yl)-piperazin-1-yl]-quinazoline and physiologically compatible salts thereof

HEUMANN LUDWIG & CO GMBH0 citations52
US4738960AApr 19, 1988

1,3,4-Thiadiazole derivatives and pharmaceutical preparations useful as inhibitors for histamine-H2 receptors

HEUMANN LUDWIG & CO GMBH1 citations49
US4727081AFeb 23, 1988

3,4-Diazole derivatives and pharmaceutical preparations containing these compounds

HEUMANN LUDWIG & CO GMBH1 citations46
US4105795AAug 8, 1978

Antispasmodic substituted sulphoximides

HEUMANN LUDWIG & CO GMBH0 citations33

HEUMANN PHARMA GMBH & CO

11 patents
US4816455AMar 28, 1989

Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazin)-1-yl)-4-amino-6,7-dimethoxy-quinazoline hydrochloride and a process for its preparation

HEUMANN PHARMA GMBH & CO72 citations95
US4973755ANov 27, 1990

Stable solvent adducts of Z-1-(p-β-dimethylaminoethoxy-phenyl)-1-(p-hydroxyphenyl)-2-phenyl-but-1-ene

HEUMANN PHARMA GMBH & CO50 citations93
US4968683ANov 6, 1990

6-oxo-pyridazine derivatives, a process for their preparation and medicaments containing these compounds

HEUMANN PHARMA GMBH & CO24 citations90
US4921856AMay 1, 1990

Dihydropyridazinone derivatives, a process for their preparation and pharmaceutical preparations containing these compounds

HEUMANN PHARMA GMBH & CO20 citations81
US4978773ADec 18, 1990

Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid derivatives

HEUMANN PHARMA GMBH & CO9 citations73
US4957920ASep 18, 1990

Benzimidazoles, and pharmaceutical preparations containing these compounds

HEUMANN PHARMA GMBH & CO8 citations73
US5021431AJun 4, 1991

Imidazolyl alkyl guanidine derivatives, processes for their preparation and pharmaceutical preparations containing these compounds

HEUMANN PHARMA GMBH & CO8 citations71
US5039675AAug 13, 1991

Benzimidazoles and pharmaceutical preparations containing these compounds

HEUMANN PHARMA GMBH & CO5 citations68
US4757080AJul 12, 1988

1,4-dihydropyridine derivatives

HEUMANN PHARMA GMBH & CO2 citations60
US4968808ANov 6, 1990

Process for the preparation of nitroethene derivatives

HEUMANN PHARMA GMBH & CO5 citations57
US4833141AMay 23, 1989

4-[4-[[2-(halophenyl)-2-[1H-tr:azol(or diazol)-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-piperazine-1-carbimic acids having antimycotic activity

HEUMANN PHARMA GMBH & CO0 citations49