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Frank Hubner
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Ober-Ramstadt, DE
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last 30 patents
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Patent Grant
Method for the production of trimethylhydroquinone
Patent number
6,063,968
Issue date
May 16, 2000
Degussa Aktiengesellschaft
Frank Hubner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of .alpha.-tocopherol esters
Patent number
6,048,988
Issue date
Apr 11, 2000
Degussa-Huls AG
Steffen Krill
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production and use of salts of 6,8-bis (amidiniumthio)-octanoic acid
Patent number
6,013,815
Issue date
Jan 11, 2000
ASTA Medica Aktiengesellschaft
Thomas Beisswenger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing 3, 5, 5-trimethylcyclohexa-3-ene-1-one(.beta.-i...
Patent number
6,005,147
Issue date
Dec 21, 1999
Degussa Aktiengesellschaft
Steffen Krill
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing dry thioctic acid
Patent number
5,981,767
Issue date
Nov 9, 1999
ASTA Medica Aktiengesellschaft
Herbert Tanner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of trimethylhydroquinone diesters and of...
Patent number
5,969,176
Issue date
Oct 19, 1999
Degussa-Huls AG
Steffen Krill
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing .beta.-isophorone by the isomerization of .alph...
Patent number
5,907,065
Issue date
May 25, 1999
Degussa Aktiengesellschaft
Steffen Krill
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing ketoisophorone
Patent number
5,874,632
Issue date
Feb 23, 1999
Degussa Aktiengesellschaft
Rainer Hahn
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production and use of salts of 6, 8-bis (amidiniumthio) -octanoic acid
Patent number
5,760,268
Issue date
Jun 2, 1998
ASTA Medica Aktiengesellschaft
Thomas Beisswenger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing salcomine
Patent number
5,618,957
Issue date
Apr 8, 1997
Degussa AG
Frank Hubner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
RS-thioctic acid with novel morphology
Patent number
5,455,264
Issue date
Oct 3, 1995
ASTA Medica Aktiengesellschaft
Thomas Beisswenger
C07 - ORGANIC CHEMISTRY