Assignee
HEUMANN LUDWIG & CO GMBH
DE·23 granted patents·108 citations·filing 1974–1988
Top patents by PatentIndex Score
23 records- 0189US4810715AImidazoyl-substituted thiomethylpyridine derivatives, method of administration thereof and medicaments containing themHEUMANN LUDWIG & CO GMBH·Filed 1987·Granted Mar 7, 1989·24 cites·6 claims
- 0265US5025016APyrimidine-thioalkyl pyridine derivatives, medicaments containing these compounds, and method of treatmentHEUMANN LUDWIG & CO GMBH·Filed 1988·Granted Jun 18, 1991·13 cites·32 claims
- 0364US4180578A2,4-Diamino-5-(4'-methylthio)benzylpyrimidenes, compounds, compositions and method of useHEUMANN LUDWIG & CO GMBH·Filed 1978·Granted Dec 25, 1979·5 cites·9 claims
- 0462US4599346APropan-2-ol derivatives, a process for their production and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Jul 8, 1986·7 cites·2 claims
- 0560US4697035AProcess for the preparation of basically substituted phenylacetonitrilesHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Sep 29, 1987·8 cites·11 claims
- 0658US4656180ADiamine derivatives and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Apr 7, 1987·5 cites·11 claims
- 0755US4666921APyrazole derivatives, processes for their preparation and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted May 19, 1987·4 cites·5 claims
- 0854US4578389AQuinazoline and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Mar 25, 1986·3 cites·6 claims
- 0952US4659721AAlkanol derivatives, and pharmaceutical preparation containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Apr 21, 1987·6 cites·10 claims
- 1050US4671914AProduction of granulates by using a tabletting machineHEUMANN LUDWIG & CO GMBH·Filed 1986·Granted Jun 9, 1987·14 cites·5 claims
- 1150US4634700A1,3-dioxolanyl derivatives, a process for their preparation, their use and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Jan 6, 1987·5 cites·10 claims
- 1247US4559344APyridine-pyrimidinone derivatives, a process for their production and H.sub. -antagonist medicament containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Dec 17, 1985·2 cites·35 claims
- 1347US3992379A4-Alkyldioxyalkylene-5-benzylpyrimidinesHEUMANN LUDWIG & CO GMBH·Filed 1974·Granted Nov 16, 1976·3 cites·3 claims
- 1444US4732986ABenzothiazole derivatives, processes for their preparation and pharmaceutical compositions containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1987·Granted Mar 22, 1988·3 cites·6 claims
- 1540US4600721APharmaceutical preparationHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Jul 15, 1986·2 cites·24 claims
- 1637US4866066AThiomethylpyridine derivatives and their use for eliciting a bronchosecretolytic or mucolytic responseHEUMANN LUDWIG & CO GMBH·Filed 1987·Granted Sep 12, 1989·1 cites·20 claims
- 1736US4647684AProcess for the production of 4-amino-6,7-dimethoxy-2-[4-(furo-2-yl)-piperazin-1-yl]-quinazoline and physiologically compatible salts thereofHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Mar 3, 1987·0 cites·1 claims
- 1835US4596811AHeterocyclic compounds, a process for their production and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1983·Granted Jun 24, 1986·1 cites·19 claims
- 1932US4738960A1,3,4-Thiadiazole derivatives and pharmaceutical preparations useful as inhibitors for histamine-H2 receptorsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Apr 19, 1988·1 cites·10 claims
- 2030US4727081A3,4-Diazole derivatives and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Feb 23, 1988·1 cites·6 claims
- 2124US4420488AQuaternary 1,1-diphenyl-4-pyrrolidinium-2-butyne salts, a process for their production and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1981·Granted Dec 13, 1983·0 cites·3 claims
- 2224US4125721AProcess for the production of 2,4-diamino-5-(3',4',5'-trimethoxybenzyl)-pyrimidineHEUMANN LUDWIG & CO GMBH·Filed 1977·Granted Nov 14, 1978·0 cites·3 claims
- 2323US4105795AAntispasmodic substituted sulphoximidesHEUMANN LUDWIG & CO GMBH·Filed 1976·Granted Aug 8, 1978·0 cites·54 claims
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