Inventor · disambiguated record
Helmut Bohn
Also filed as: BOHN HELMUT
31 granted patents·282 citations·filing 1981–2001
97Inventor score
Files withCASSELLA FARBWERKE MAINKUR AG23CASSELLA AG2CASSELLA AKTIENGELLSCHAFT2AVENTIS PHARMA GMBH1CASSELLA AKTIENGESSELLSCHAFT1
Top patents by PatentIndex Score
31 records- 0196US4816454A4,5-dihydro-3(2H)-pyridazinones and their pharmacological useCASSELLA FARBWERKE MAINKUR AG·Filed 1985·Granted Mar 28, 1989·85 cites·21 claims
- 0286US4666902ATetrahydropyridazinone derivatives, processes for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted May 19, 1987·19 cites·14 claims
- 0380US4558058ASubstituted 1,4-dihydropyridines and their use as medicamentsCASSELLA FARBWERKE MAINKUR AG·Filed 1983·Granted Dec 10, 1985·20 cites·26 claims
- 0474US4436743A3-[N-(Lower alkyl)-N-(tetrahydro-3-thienyl 5,5-dioxide)]sydnoniminesCASSELLA FARBWERKE MAINKUR AG·Filed 1982·Granted Mar 13, 1984·12 cites·24 claims
- 0573US4845099ATetrahydroquinoline derivatives, their use and pharmaceutical formulations containing themCASSELLA FARBWERKE MAINKUR AG·Filed 1987·Granted Jul 4, 1989·22 cites·11 claims
- 0672US6414030B1Use of benzenesulfonyl(thio)ureas for the treatment and prophylaxis of dysfunctions of the autonomous nervous system and use of benzenesulfonyl(thio)ureas in combination with beta-receptors blockersAVENTIS PHARMA GMBH·Filed 2001·Granted Jul 2, 2002·6 cites·30 claims
- 0770US4416893ASubstituted 1,2,5-oxadiazole-2-oxides in human cardiovascular system diseaseCASSELLA FARBWERKE MAINKUR AG·Filed 1981·Granted Nov 22, 1983·12 cites·26 claims
- 0868US4532239AN-phenoxypropanol-N'-pyridazinyl ethylendiamines as β-receptor blockersCASSELLA FARBWERKE MAINKUR AG·Filed 1983·Granted Jul 30, 1985·11 cites·20 claims
- 0959US4356178A3,4-(Bis-substituted)-1,2,5-oxdiazole 2-oxides, their use and pharmaceutical formulations containing themCASSELLA FARBWERKE MAINKUR AG·Filed 1981·Granted Oct 26, 1982·7 cites·16 claims
- 1053US5424326APhenyl-1,2,5-oxadiazolecarboxamide-2-oxides, their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1993·Granted Jun 13, 1995·4 cites·8 claims
- 1152US5486531AHydroxymethylfurazancarboxylic acid derivativesCASSELLA FARBWERKE MAINKUR AG·Filed 1994·Granted Jan 23, 1996·9 cites·10 claims
- 1250US4845091ASubstituted 3-amino-sydnonimines, their use and pharmaceutical products containing themCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted Jul 4, 1989·5 cites·8 claims
- 1349US5374640APyridyl-1,2,5-oxadiazolecarboxamide-2-oxidesCASSELLA FARBWERKE MAINKUR AG·Filed 1993·Granted Dec 20, 1994·7 cites·8 claims
- 1448US6191164B1Sulfonamide-substituted chromans, processes for their preparation, their use as a medicament or diagnostic, and medicament comprising themHOECHST AG·Filed 1999·Granted Feb 20, 2001·13 cites·38 claims
- 1548US5120732ASubstituted 3-aminosyndone imines, a process for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1990·Granted Jun 9, 1992·3 cites·16 claims
- 1647US5591758AOrganic nitrates, processes for their preparation and their use in the treatment of cardiovascular diseasesHOECHST SA LAB·Filed 1992·Granted Jan 7, 1997·17 cites·7 claims
- 1745US5179206ASubstituted 3-aminosydnone iminesCASSELLA AKTIENGELLSCHAFT·Filed 1990·Granted Jan 12, 1993·7 cites·9 claims
- 1844US5389655APhenylfuroxansCASSELLA AG·Filed 1993·Granted Feb 14, 1995·5 cites·9 claims
- 1944US4551454A3-(4-Alkoxycarbonylpiperazin-1-yl)-sydnonimines, a process for their preparation and useCASSELLA FARBWERKE MAINKUR AG·Filed 1983·Granted Nov 5, 1985·2 cites·25 claims
- 2043US4681891ADihydro-2,6-dimethyl pyridines, formulations and method of use for treating angina pectoris, high blood pressure or disturbances of cerebral or peripheral blood flowCASSELLA FARBWERKE MAINKUR AG·Filed 1985·Granted Jul 21, 1987·3 cites·8 claims
- 2141US4937241AN-substituted N-nitrosoaminoacetonitriles, process for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1988·Granted Jun 26, 1990·2 cites·4 claims
- 2238US5221680ASubstituted 3-aminosydnoniminesCASSELLA FARBWERKE MAINKUR AG·Filed 1992·Granted Jun 22, 1993·1 cites·11 claims
- 2337US5382585APyrimidofuroxans, their preparation and their useCASSELLA AG·Filed 1993·Granted Jan 17, 1995·2 cites·10 claims
- 2437US5155109A3-piperazinosydnone imines, process for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1991·Granted Oct 13, 1992·2 cites·5 claims
- 2537US4760147AOptically active, substituted 1,4-dihydropyridines and their use as medicamentsCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted Jul 26, 1988·1 cites·6 claims
- 2635US5006540ASubstituted 3-aminosydnonimines, processes for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1989·Granted Apr 9, 1991·1 cites·11 claims
- 2734US5091398ASubstituted 1,2,3,4-oxatriazolium-5-olates, a process for their preparation and their useCASSELLA AKTIENGELLSCHAFT·Filed 1990·Granted Feb 25, 1992·2 cites·9 claims
- 2834US4888333AAllymercaptoacetylsydnonimines, processes for their preparation, and their useCASSELLA AKTIENGESSELLSCHAFT·Filed 1988·Granted Dec 19, 1989·1 cites·6 claims
- 2933US5204475ASubstituted 3-aminosydnone imines and salts thereofCASSELLA FARBWERKE MAINKUR AG·Filed 1991·Granted Apr 20, 1993·0 cites·8 claims
- 3033US5166166A3-dicyclohexylaminosydnone imines, process for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1991·Granted Nov 24, 1992·1 cites·5 claims
- 3131US5360812AFused 1,2,5-oxadiazole-2-oxides and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1993·Granted Nov 1, 1994·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Helmut Bohn files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →