Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WS

Werner Skuballa

SCSchering: 83 patents #6 of 2,442Top 1%
BABayer Schering Pharma Ag: 10 patents #6 of 464Top 2%
BPBayer Pharma: 1 patents #440 of 819Top 55%
SASchering A.G.: 1 patents #15 of 44Top 35%
Overall (All Time): #15,533 of 4,157,543Top 1%
97 Patents All Time

Issued Patents All Time

Showing 51–75 of 97 patents

Patent #TitleCo-InventorsDate
5190964 5-fluorocarbacyclins, their preparation and pharmaceutical use Bernd Raduchel, Helmut Vorbruggen, Martin Haberey, Claus-Steffen Sturzebecher, Michael-Harold Town 1993-03-02
5187286 Leukotriene-B4 derivatives, process for their production and their use as pharmaceutical agents Bernd Buchmann, Josef Heindl, Wolfgang Frohlich, Roland Ekerdt 1993-02-16
5183925 Leukotriene-B4 derivatives, process for their production and their use as pharmaceutical agents Josef Heindl, Bernd Buchmann, Wolfgang Frohlich, Rolalnd Ederdt 1993-02-02
5157042 3-oxa-5-fluoro-carbacyclins, their preparation and use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Jorge Casals-Stenzel, Gerda Mannesmann, Michael-Harold Town 1992-10-20
5124343 Carbacyclins, process for the preparation thereof, and use thereof as medicinal agents Helmut Vorbrueggen, Hernd Raduechel, Norbert Schwarz, Jorge Casals-Stenzel, Gerda Mannesmann +1 more 1992-06-23
5093250 Process for producing optically active bicyclo[3.3.0]octanedione carboxylic acid esters Karl Petzoldt 1992-03-03
5093325 Combination preparation having antithrombotic action Werner Witt, Berthold Baldus, Bernd Muller, Claus-Steffen Sturzebecher 1992-03-03
5079259 Pharmaceutically active 9-chloroprostaglandins Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge, Ekkehard Schillinger 1992-01-07
5047525 9-haloprostaglandin clathrates and their use as medicines Bernd Raduechel, Olaf Loge, Johann-Wilhelm Tack 1991-09-10
5023273 6-oxoprostaglandin E derivatives, process for their production and their pharmaceutical use Ulrich Klar, Helmut Vorbruggen, Claus-Steffen Sturzebecher, Karl-Heinz Thierauch, Ekkehard Schillinger 1991-06-11
5013758 Novel carbacyclins, processes for their preparation and their use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Claus-Steffen Stuerzebecher, Martin Haberey, Ekkehard Schillinger +1 more 1991-05-07
5010065 Cyclodextrin clathrates of 5-cyanoprostacyclin derivatives and their use as pharmaceutical agents Helmut Dahl, Helmut Vorbrueggen, Olaf Loge, Karl-Heinz Thierauch 1991-04-23
5004752 Novel 9-haloprostaglandins, processes for their preparation, and their use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Olaf Loge, Ekkehard Schilliner 1991-04-02
4954524 Carbacylcins, their preparation and use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Jorge Casals-Stenzel, Gerda Mannesmann, Ekkehard Schillinger +1 more 1990-09-04
4925956 Novel process for manufacturing optically active carbacyclin intermediates Helmut Dahl 1990-05-15
4912251 Process for manufacturing symmetrical diesters of bicyclo[3.3.0]-octanedione dicarboxylic acid 1990-03-27
4894336 Racemic dissociation of 3-acyloxy bicyclo(3.3.0)octan-7-one-2-carboxylic acid esters by stereospecific enzymatic or microbiological acylate hydrolysis Karl Petzoldt, Helmut Dahl 1990-01-16
4894391 Novel prostacyclin derivatives, process for the preparation thereof, and use thereof as medicinal agents Helmut Dahl, Bernd Raduchel, Helmut Vorbruggen, Olaf Loge 1990-01-16
4886788 Cyclodextrin clathrates of carbacyclin derivatives and their use as medicinal agents Helmut Vorbrueggen, Helmut Dahl, Claus-Steffen Stuerzebecher, Karl-Heinz Thierauch 1989-12-12
4827017 Novel carbacyclins, processes for their production and their use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Ekkehard Schillinger, Claus-Steffen Stuerzebecher 1989-05-02
4806668 Process for the production of 9beta-chloroprostaglandins Bernd Raduechel, Helmut Vorbrueggen 1989-02-21
4789685 9-fluoroprostaglandin derivatives, their preparation and use as medicinal agents Bernd Raduechel, Norbert Schwarz, Helmut Vorbrueggen, Walter Elger, Olaf Loge +1 more 1988-12-06
4721729 Novel carbacyclins, process for the preparation thereof, and their use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Robert Nickolson, Martin Haberey, Olaf Loge +1 more 1988-01-26
4708963 Novel carbacyclins, their preparation and use Bernd Raduchel, Norbert Schwarz, Helmut Vorbruggen, Jorge Casals-Stenzel, Ekkehard Schillinger +1 more 1987-11-24
4699920 9-halo-2-prostaglandin derivatives, processes for the preparation thereof and use thereof as medicinal agents Bernd Raduchel, Helmut Vorbruggen, Walter Elger, Olaf Loge 1987-10-13