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CPC
C07J53/005

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CCHEMISTRY METALLURGY C07Organic chemistry C07JSTEROIDS C07J53/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class

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C07J53/005in position 12

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Patents Grantslast 30 patents

Information Patent Grant
Androst-4-ene-3,17-diones and process for their preparation
- Patent number 4,840,943
- Issue date Jun 20, 1989
- Farmitalia Carlo Ebra S.r.l.
- Franco Buzzetti
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2-beta-methylene-4-substituted androstene-3,17-dione derivatives...
- Patent number 4,810,423
- Issue date Mar 7, 1989
- Farmitalia Carlo Erba S.r.l.
- Franco Buzzetti
- 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
Novel 17-substituted steroids
- Patent number 4,647,410
- Issue date Mar 3, 1987
- Gist-Brocades N.V.
- Albert M. van Leusen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 17.alpha.-acetoxy-1.alpha.,2.alpha.-m...
- Patent number 4,599,200
- Issue date Jul 8, 1986
- Schering Aktiengesellschaft
- Hanfried Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel androstane derivatives, process for their production, and pha...
- Patent number 4,587,235
- Issue date May 6, 1986
- Schering Aktiengesellschaft
- Dieter Bittler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 17.alpha.-acyloxy-6-chloro-1.alpha.,2...
- Patent number 4,565,657
- Issue date Jan 21, 1986
- Schering Aktiengesellschaft
- Klaus Junghans
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7.alpha.-Substituted 3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactone...
- Patent number 4,559,331
- Issue date Dec 17, 1985
- Schering Aktiengesellschaft
- Klaus Nickisch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 21-hydroxy-20-keto-.DELTA..sup.16 -s...
- Patent number 4,548,749
- Issue date Oct 22, 1985
- Gist-Brocades N.V.
- Albert M. van Leusen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Androstane derivatives, process for their production, and pharmaceu...
- Patent number 4,457,925
- Issue date Jul 3, 1984
- Schering, Aktiengesellschaft
- Dieter Bittler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
15 Hydroxylation of 1.alpha.,2.alpha.-methylene steroids
- Patent number 4,337,311
- Issue date Jun 29, 1982
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Male contraceptive steroids and methods of use
- Patent number 4,297,350
- Issue date Oct 27, 1981
- The Upjohn Company
- John C. Babcock
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Corticoid 21-sulfopropionates and the salts thereof, a process for...
- Patent number 4,296,109
- Issue date Oct 20, 1981
- Schering, Aktiengesellschaft
- Henry Laurent
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing .DELTA..sup.9(11) and/or .DELTA..sup.16 -unsa...
- Patent number 4,290,963
- Issue date Sep 22, 1981
- Schering Aktiengesellschaft
- Paul-Eberhard Schulze
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 19-hydroxy steroids of the androstan...
- Patent number 4,284,720
- Issue date Aug 18, 1981
- Schering, A.G.
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Androst-4-en-19-ols
- Patent number 4,239,681
- Issue date Dec 16, 1980
- Richardson-Merrell Inc.
- Joyce F. Grunwell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroxylated 1 alpha, 2 alpha-methylene steroids
- Patent number 4,196,204
- Issue date Apr 1, 1980
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
19-Oxygenated-androst-5-enes for the enhancement of libido
- Patent number 4,139,617
- Issue date Feb 13, 1979
- Richardson-Merrell Inc.
- Joyce F. Grunwell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4119626
- Patent number 4,119,626
- Issue date Oct 10, 1978
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-androstene-3,17-dione derivatives
- Patent number 4,100,026
- Issue date Jul 11, 1978
- Schering Aktiengesellschaft
- Alfred Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of androstane-3,17-dione derivatives
- Patent number 4,097,334
- Issue date Jun 27, 1978
- Schering Aktiengesellschaft
- Alfred Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Androst-4-en-19-ols for the enhancement of libido
- Patent number 4,087,524
- Issue date May 2, 1978
- Richardson-Merrell Inc.
- Joyce F. Grunwell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
16-Dehydro steroids of the androstane series
- Patent number 4,075,233
- Issue date Feb 21, 1978
- Gist-Brocades N.V.
- Arthur Friedrich Marx
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
11.beta.-FLUOROPREGNENES
- Patent number 4,073,900
- Issue date Feb 14, 1978
- Schering Aktiengesellschaft
- Helmut Hofmeister
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
19-Oxygenated-5.alpha.-androstanes for the enhancement of libido
- Patent number 4,071,625
- Issue date Jan 31, 1978
- Richardson-Merrell Inc.
- Joyce F. Grunwell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Androst-4-en-19-ones for the enhancement of libido
- Patent number 4,071,624
- Issue date Jan 31, 1978
- Richardson-Merrell Inc.
- Joyce F. Grunwell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Androst-4-en-19-ones
- Patent number 4,022,769
- Issue date May 10, 1977
- Richardson-Merrell Inc.
- Joyce F. Grunwell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
11.beta.-FLUOROANDROSTENES
- Patent number 3,966,713
- Issue date Jun 29, 1976
- Schering Aktiengesellschaft
- Helmut Hofmeister
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Radioactively labeled steroid derivatives
- Patent number 3,935,245
- Issue date Jan 27, 1976
- Schering Aktiengesellschaft
- Otto Engelfried
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3816405
- Patent number 3,816,405
- Issue date Jun 11, 1974
- C07 - ORGANIC CHEMISTRY

in position 12

Industry

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Current Industry

Patents Grantslast 30 patents

Androst-4-ene-3,17-diones and process for their preparation

1,2-beta-methylene-4-substituted androstene-3,17-dione derivatives...

1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnen...

Novel 17-substituted steroids

Process for the production of 17.alpha.-acetoxy-1.alpha.,2.alpha.-m...

Novel androstane derivatives, process for their production, and pha...

Process for the production of 17.alpha.-acyloxy-6-chloro-1.alpha.,2...

7.alpha.-Substituted 3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactone...

Process for the preparation of 21-hydroxy-20-keto-.DELTA..sup.16 -s...

Androstane derivatives, process for their production, and pharmaceu...

15 Hydroxylation of 1.alpha.,2.alpha.-methylene steroids

Male contraceptive steroids and methods of use

Corticoid 21-sulfopropionates and the salts thereof, a process for...

Process for preparing .DELTA..sup.9(11) and/or .DELTA..sup.16 -unsa...

Process for the preparation of 19-hydroxy steroids of the androstan...

Androst-4-en-19-ols

Hydroxylated 1 alpha, 2 alpha-methylene steroids

19-Oxygenated-androst-5-enes for the enhancement of libido

4119626

Process for the preparation of 4-androstene-3,17-dione derivatives

Process for the preparation of androstane-3,17-dione derivatives

Androst-4-en-19-ols for the enhancement of libido

16-Dehydro steroids of the androstane series

11.beta.-FLUOROPREGNENES

19-Oxygenated-5.alpha.-androstanes for the enhancement of libido

Androst-4-en-19-ones for the enhancement of libido

Androst-4-en-19-ones

11.beta.-FLUOROANDROSTENES

Radioactively labeled steroid derivatives

3816405

Patents Applicationslast 30 patents