KG

Karl Geisen

Hoechst Gmbh: 16 patents #180 of 4,020Top 5%
AG Aventis Pharma Deutschland Gmbh: 15 patents #9 of 418Top 3%
📍 Frankfurt am Main, DE: #69 of 1,925 inventorsTop 4%
Overall (All Time): #119,963 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4379153 Benzenesulfonyl ureas, and pharmaceutical preparations Volker Hitzel, Rudi Weyer, Gunter Regitz 1983-04-05
4325963 Thienopyrrolone substituted benezenesulfonylureas and their use Volker Hitzel, Rudi Weyer, Gunter Regitz 1982-04-20
4315940 Antidiabetic 1-piperidine-sulfonylureas Volker Hitzel, Rudi Weyer, Gunter Regitz 1982-02-16
4282239 Sulfonyl ureas and pharmaceutical preparations thereof Rudi Weyer, Volker Hitzel, Gunter Regitz 1981-08-04
4221815 Benzoic acids, their derivatives and process for preparing them Rudi Weyer, Volker Hitzel, Werner Pfaff 1980-09-09
4181658 Certain nicotinamido-n-benzoic acid derivatives Volker Hitzel, Rudi Weyer, Werner Pfaff 1980-01-01