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 76–97 of 97 patents

Patent #TitleCo-InventorsDate
4692464 Novel prostacyclin derivatives and a process for the preparation thereof Bernd Raduchel, Helmut Vorbruggen, Gerda Mannesmann, Wolfgang Losert, Jorge Casals 1987-09-08
4618626 Novel carbacyclin esters, process for the preparation thereof, and their use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Gerda Mannesmann, Bob Nieuweboer, Michael-Harold Town 1986-10-21
4567195 Azaprostacyclins, their preparation and pharmaceutical use Norbert Schwarz, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger, Michael-Harold Town 1986-01-28
4560786 .DELTA..sup.8,9 -Prostaglandin derivatives, their preparation and use as medicinal agents Bernd Raduechel, Norbert Schwarz, Helmut Vorbrueggen, Walter Elger, Olaf Loge +1 more 1985-12-24
4552875 Novel carbacyclinamides, their preparation and use as medicinal agents Bernd Raduechel, Helmut Vorbrueggen, Gerda Mannesmann, Bob Nieuweboer, Michael-Harold Town 1985-11-12
4497830 Carbacyclins, their preparation and pharmacological use Bernd Raduechel, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger, Gerda Mannesmann +1 more 1985-02-05
4487953 9-Bromoprostaglandins, their preparation, and their use as medicaments Bernd Raduechel, Norbert Schwarz, Helmut Vorbrueggen, Walter Elger 1984-12-11
4454339 9-Fluoroprostaglandin derivatives, and use as medicinal agents Bernd Raduechel, Norbert Schwarz, Helmut Vorbrueggen, Walter Elger, Olaf Loge +1 more 1984-06-12
4446147 Azaprostacyclins, their preparation and pharmaceutical use Norbert Schwarz, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger, Michael-Harold Town 1984-05-01
4444788 Pharmaceutically active 9-chloroprostaglandins Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge, Ekkehard Schillinger 1984-04-24
4423067 Carbacyclins, their preparation and use Bernd Raduchel, Norbert Schwarz, Helmut Vorbruggen, Jorge Casals-Stenzel, Ekkehard Schillinger +1 more 1983-12-27
4378370 Certain 5-cyano-16-fluoro-prostacyclins and their use as pharmaceuticals Helmut Vorbrueggen, Bernd Raduechel, Gerda Mannesmann, Jorge Casals-Stenzel, Ekkehard Schillinger 1983-03-29
4364950 5-Cyano-prostacyclin derivatives and use as medicines Helmut Vorbruggen, Bernd Raduchel, Jorge Casals-Stenzel, Ekkehard Schillinger, Michael-Harold Town 1982-12-21
4364951 Prostacyclins and use as medicinal agents Helmut Vorbrueggen, Olaf Loge, Peter Vischer, Bernd Raduchel 1982-12-21
4359581 Process for the production of caracyclin intermediates Bernd Raduechel, Helmut Vorbrueggen 1982-11-16
4346228 Novel 11-oxoprostaglandin derivatives Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge, Eckehard Schillinger 1982-08-24
4315013 Certain pyrrole analogs of prostacyclin derivatives Bernd Raduechel, Helmut Vorbrueggen, Gerda Mannesmann, Wolfgang Losert, Jorge Casals 1982-02-09
4256745 New prostane derivatives and process for their preparation Bernd Raduchel, Helmut Vorbruggen, Walter Elger, Olaf Loge, Eckehard Schillinger 1981-03-17
4235930 Novel acetylenic prostaglandins and processes for the preparation thereof Bernd Raduchel, Helmut Vorbruggen, Walter Elger, Olaf Loge, Ekkehard Schillinger 1980-11-25
4219479 5-Cyano-prostacyclin derivatives Helmut Vorbruggen, Bernd Raduchel, Wolfgang Losert, Olaf Loge, Bernd Muller +1 more 1980-08-26
4191694 Prostaglandin-I.sub.2 derivatives Bernd Raduchel, Norbert Schwarz, Helmut Vorbruggen, Bernd Muller, Gerda Mannesmann +3 more 1980-03-04
4191823 Process for the preparation of oxaprostaglandin intermediates Bernd Raduchel, Helmut Vorbrueggen 1980-03-04