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Rudolf Wiechert
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Berlin, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Dihydrospirorenone as an antiandrogen
Patent number
5,569,652
Issue date
Oct 29, 1996
Schering Aktiengesellschaft
Sybille Beier
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
14.alpha., 17.alpha.-ethano-16.alpha.-hydroxy-estratrienes
Patent number
5,529,993
Issue date
Jun 25, 1996
Schering Aktiengesellschaft
Gerald Kirsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 19,11.beta.-bridged steroids
Patent number
5,446,178
Issue date
Aug 29, 1995
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 10.beta.-H-steroids
Patent number
5,405,979
Issue date
Apr 11, 1995
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
9.alpha.-hydroxy-19,11.beta.-bridged steroids, their production and...
Patent number
5,232,915
Issue date
Aug 3, 1993
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
14,17.alpha.-etheno- and -ethanoestratrienes, processes for the pre...
Patent number
5,145,847
Issue date
Sep 8, 1992
Schering Aktiengesellschaft
Rolf Bohlmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
14.alpha.,17.alpha.-ethanoestratrienes
Patent number
5,134,136
Issue date
Jul 28, 1992
Schering Aktiengesellschaft
Gerald Kirsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17-halomethylene estratrienes
Patent number
5,124,321
Issue date
Jun 23, 1992
Schering Aktiengesellschaft
Peter Jungblut
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
19,11 .beta.-bridged steroids, their manufacture and pharmaceutical...
Patent number
5,095,129
Issue date
Mar 10, 1992
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.beta.-(4-isopropenylphenyl)estra-4,9-dienes, their production, and...
Patent number
5,089,488
Issue date
Feb 18, 1992
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17-methylene- and 17-ethylidene-estratrienes
Patent number
4,977,147
Issue date
Dec 11, 1990
Schering Aktiengesellschaft
Peter Jungblut
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of pregnane derivatives
Patent number
4,956,482
Issue date
Sep 11, 1990
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Estrane and androstane derivatives, process for producing them and...
Patent number
4,945,064
Issue date
Jul 31, 1990
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 17.alpha.-ethinyl-17.beta.-hydroxy-18...
Patent number
4,923,640
Issue date
May 8, 1990
Schering Aktiengesellschaft
Rolf Bohlmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Antiinflammatory 6 alpha-methylhydrocortisones
Patent number
4,912,098
Issue date
Mar 27, 1990
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Antiandrogenic 17-alpha-alkyl steroids
Patent number
4,892,867
Issue date
Jan 9, 1990
Schering Aktiengesellschaft
Rudolf Wiechert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17-Substituted estradienes and estratrienes
Patent number
4,891,365
Issue date
Jan 2, 1990
Schering Aktiengesellschaft
Rudolf Wiechert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of (Z)-17.alpha.-halovinyl steroids
Patent number
4,885,117
Issue date
Dec 5, 1989
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11.beta.-alkynyl-estrenes and -estradienes, their production and ph...
Patent number
4,870,069
Issue date
Sep 26, 1989
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,2:6,6-diethylen-3-oxo-17alpha-pregn-4-ene-21,17alpha-carbolactone...
Patent number
4,868,166
Issue date
Sep 19, 1989
Schering Aktiengesellschaft
Dieter Bittler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11 Beta-N,N-dimethylaminophenyl-estradienes, their manufacture and...
Patent number
4,829,060
Issue date
May 9, 1989
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11 .beta.-(4-isopropenylphenyl)estra-4,9-dienes, their production,...
Patent number
4,814,327
Issue date
Mar 21, 1989
Schering Aktiengesellschaft
Eckhard Ottow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
14,17.beta.-ethano-14.beta.-estratrienes and estratetraenes, proces...
Patent number
4,789,671
Issue date
Dec 6, 1988
Schering Aktiengesellschaft
James R. Bull
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1.alpha.,7.alpha.-dithio-substituted spirolactones, processes for t...
Patent number
4,789,668
Issue date
Dec 6, 1988
Schering Aktiengesellschaft
Klaus Nickisch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
13.alpha.-alkyl-gonanes, their production, and pharmaceutical prepa...
Patent number
4,780,461
Issue date
Oct 25, 1988
Schering Aktiengesellschaft
Gunter Neef
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6.alpha., 16.beta.-dimethyl corticoids and their anti-inflammatory use
Patent number
4,777,165
Issue date
Oct 11, 1988
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Estrogenic 17.alpha.-halogen-vinylestranes
Patent number
4,725,426
Issue date
Feb 16, 1988
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-vinyl and 3-thyinyl-beta-carbolines, and their use as benzodiazep...
Patent number
4,719,210
Issue date
Jan 12, 1988
Schering Aktiengesellschaft
Dieter Seidelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 17.alpha.-ethynyl-17.beta.-hydroxy-18...
Patent number
4,719,054
Issue date
Jan 12, 1988
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17 .alpha.-chloroethynyl pregnane derivatives
Patent number
4,708,823
Issue date
Nov 24, 1987
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY