Karl Petzoldt

Person

Berlin, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for resolution of racemates of 4-aryl-2-oxo-pyrrolidine-3-c...
- Patent number 5,539,111
- Issue date Jul 23, 1996
- Schering Aktiengesellschaft
- Karl Petzoldt
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Microbiological reduction of prostacyclin intermediate products wit...
- Patent number 5,403,724
- Issue date Apr 4, 1995
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1-methyl-1,4-androstadiene-3,17-dione
- Patent number 5,275,936
- Issue date Jan 4, 1994
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1.beta.,15.alpha.-dihydroxy-1.alpha.-methyl-5.alpha.-androstane-3,1...
- Patent number 5,250,712
- Issue date Oct 5, 1993
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Racemic separation of 7.alpha.-acyloxy-6.beta.-hydroxymethyl-2-oxab...
- Patent number 5,248,609
- Issue date Sep 28, 1993
- Schering Aktiengesellschaft
- Karl Petzoldt
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Stereospecific keto reduction of bicyclooctandione-carboxylic acid...
- Patent number 5,102,793
- Issue date Apr 7, 1992
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active bicyclo[3.3.0]octanedione ca...
- Patent number 5,093,250
- Issue date Mar 3, 1992
- Schering Aktiengesellschaft
- Karl Petzoldt
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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
Racemic dissociation of 3-acyloxy bicyclo(3.3.0)octan-7-one-2-carbo...
- Patent number 4,894,336
- Issue date Jan 16, 1990
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indanyl derivatives and process for their preparation
- Patent number 4,696,948
- Issue date Sep 29, 1987
- Schering Aktiengesellschaft
- Karl Petzoldt
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for preparing 3.beta.7.beta.-dihydroxy-.DELTA..sup.5 -steroids
- Patent number 4,614,616
- Issue date Sep 30, 1986
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Estrane derivatives
- Patent number 4,603,013
- Issue date Jul 29, 1986
- Schering Aktiengesellschaft
- Gunter Neef
- 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
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
3.beta.,7.beta.,15.alpha.-Trihydroxy-5-androsten-17-one, its 3,15-d...
- Patent number 4,435,327
- Issue date Mar 6, 1984
- Schering, Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -ster...
- Patent number 4,416,985
- Issue date Nov 22, 1983
- Schering, Aktiengesellschaft
- Karl Petzoldt
- 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
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
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
1-Hydroxy steroids, a process for the production thereof, and pharm...
- Patent number 4,307,088
- Issue date Dec 22, 1981
- Schering Aktiengesellschaft
- Karl Petzoldt
- 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
Novel corticoids
- Patent number 4,196,203
- Issue date Apr 1, 1980
- Schering Aktiengesellschaft
- Joachim-Friedrich Kapp
- 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
Novel .alpha.-hydroxy steroids
- Patent number 4,144,334
- Issue date Mar 13, 1979
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel agents and novel methods for inducing abortions
- Patent number 4,124,708
- Issue date Nov 7, 1978
- Schering, A.G.
- Walter Elger
- C07 - ORGANIC CHEMISTRY

Karl Petzoldt

Person

Patents Grantslast 30 patents

Process for resolution of racemates of 4-aryl-2-oxo-pyrrolidine-3-c...

Microbiological reduction of prostacyclin intermediate products wit...

Process for the preparation of 1-methyl-1,4-androstadiene-3,17-dione

1.beta.,15.alpha.-dihydroxy-1.alpha.-methyl-5.alpha.-androstane-3,1...

Racemic separation of 7.alpha.-acyloxy-6.beta.-hydroxymethyl-2-oxab...

Stereospecific keto reduction of bicyclooctandione-carboxylic acid...

Process for producing optically active bicyclo[3.3.0]octanedione ca...

Antiinflammatory 6 alpha-methylhydrocortisones

Racemic dissociation of 3-acyloxy bicyclo(3.3.0)octan-7-one-2-carbo...

Indanyl derivatives and process for their preparation

Process for preparing 3.beta.7.beta.-dihydroxy-.DELTA..sup.5 -steroids

Estrane derivatives

Novel 6.alpha.-methylprednisolone derivatives, their preparation, a...

11.beta.-Chloro-.DELTA..sup.15 -steroids, a process for their prepa...

3.beta.,7.beta.,15.alpha.-Trihydroxy-5-androsten-17-one, its 3,15-d...

Process for preparing 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -ster...

11-Methylene-.DELTA..sup.15 -steroids, their preparation and use in...

Process for the preparation of 11 .beta.-hydroxy steroids

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

Novel corticoid 17-thioacetals, their preparation and use

1-Hydroxy steroids, a process for the production thereof, and pharm...

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

Novel corticoids

Hydroxylated 1 alpha, 2 alpha-methylene steroids

Novel .alpha.-hydroxy steroids

Novel agents and novel methods for inducing abortions