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Klaus Annen
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Berlin, DE
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Patents Grants
last 30 patents
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
Antiinflammatory 6 alpha-methylhydrocortisones
Patent number
4,912,098
Issue date
Mar 27, 1990
Schering Aktiengesellschaft
Klaus Annen
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
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
17 .alpha.-chloroethynyl pregnane derivatives
Patent number
4,708,823
Issue date
Nov 24, 1987
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel 6,16-dimethylcorticoids their preparation and use
Patent number
4,701,451
Issue date
Oct 20, 1987
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnen...
Patent number
4,670,427
Issue date
Jun 2, 1987
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6.alpha.-methyl corticoids, their production and use
Patent number
4,645,763
Issue date
Feb 24, 1987
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6.alpha., 16.alpha.-dimethyl corticoids
Patent number
4,619,922
Issue date
Oct 28, 1986
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11.beta.-arylestradienes, their production, and pharmaceutical prep...
Patent number
4,609,651
Issue date
Sep 2, 1986
Schering Aktiengesellschaft
Ralph Rohde
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel 6.alpha.-methylprednisolone derivatives, their preparation, a...
Patent number
4,587,236
Issue date
May 6, 1986
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 17-haloethynyl steroids, and novel 1...
Patent number
4,567,002
Issue date
Jan 28, 1986
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel 6, 16-dimethylcorticoids, their preparation and use
Patent number
4,555,507
Issue date
Nov 26, 1985
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 17.alpha.-bromoethynyl- and 17.alpha...
Patent number
4,550,100
Issue date
Oct 29, 1985
Schering Aktiengesellschaft
Helmut Hofmeister
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
11.beta.-aryl estradienes, processes for their production and pharm...
Patent number
4,536,401
Issue date
Aug 20, 1985
Schering Aktiengesellschaft
Guenter Neef
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11.beta.-Chloro-.DELTA..sup.15 -steroids, a process for their prepa...
Patent number
4,464,365
Issue date
Aug 7, 1984
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 6-methyl-.DELTA..sup.4,6 -3-keto ste...
Patent number
4,440,684
Issue date
Apr 3, 1984
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrocortisone derivatives, the preparation and use thereof
Patent number
4,435,390
Issue date
Mar 6, 1984
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclocarbonate esters of 16.alpha.,17.alpha., dihydroxy anti-inflam...
Patent number
4,432,976
Issue date
Feb 21, 1984
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.DELTA..sup.9(11) - And .DELTA..sup.16 -21-chloro-20-keto steroids...
Patent number
4,404,141
Issue date
Sep 13, 1983
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-Deoxy-.DELTA..sup.15 -steroids
Patent number
4,390,530
Issue date
Jun 28, 1983
Schering, A.G.
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11-Methylene-.DELTA..sup.15 -steroids, their preparation and use in...
Patent number
4,371,529
Issue date
Feb 1, 1983
Schering, Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 11 .beta.-hydroxy steroids
Patent number
4,353,985
Issue date
Oct 12, 1982
Schering Aktiengesellschaft
Karl Petzoldt
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Novel corticoid 17-thioacetals, their preparation and use
Patent number
4,330,541
Issue date
May 18, 1982
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 6-methylene steroids
Patent number
4,322,349
Issue date
Mar 30, 1982
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
11-Methylene steroids, their preparation and pharmaceutical prepara...
Patent number
4,277,468
Issue date
Jul 7, 1981
Schering Aktiengesellschaft
Helmut Hofmeister
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel corticoids
Patent number
4,243,664
Issue date
Jan 6, 1981
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel 17-substituted 11 .beta.-hydroxy steroids of the pregnane ser...
Patent number
4,207,316
Issue date
Jun 10, 1980
Schering Aktiengesellschaft
Ernst Schottle
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel corticoids
Patent number
4,176,126
Issue date
Nov 27, 1979
Schering Aktiengesellschaft
Klaus Annen
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PREPARING 17ALPHA-ACETOXY-6-METHYLENEPREGN-4-ENE-3,20-D...
Publication number
20090012321
Publication date
Jan 8, 2009
Klaus ANNEN
C07 - ORGANIC CHEMISTRY