HS

Hans-Joachim Siemann

JK Jenapharm Gmbh & Co. Kg: 2 patents #23 of 66Top 35%
SC Schering: 1 patents #1,469 of 2,442Top 65%
Overall (All Time): #1,596,756 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6841548 Pharmaceutical preparations containing estra-1,3,5(10)-triene derivatives Sigfrid Schwarz, Walter Elger, Gudrun Reddersen, Birgitt Schneider 2005-01-11
6569844 Pharmaceutical preparations containing estra-1,3,5(10)-triene derivatives Sigfrid Schwarz, Walter Elger, Gudrun Reddersen, Birgitt Schneider 2003-05-27
6080735 Estra-1,3,5(10)-trien derivatives, processes for their preparation and pharmaceutical compositions containing these compounds Sigfrid Schwarz, Walter Elger, by Margit Lucas, heir, by Frank Siemann, heir, Gudrun Reddersen +1 more 2000-06-27