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Thomas Beisswenger
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Bad Vilbel, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for resistance seam welding of a foil and at leas...
Patent number
7,148,444
Issue date
Dec 12, 2006
DaimlerChrysler AG
Thomas Beisswenger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Membrane module for hydrogen separation
Patent number
7,056,369
Issue date
Jun 6, 2006
DaimlerChrysler AG
Thomas Beisswenger
C01 - INORGANIC 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
Alpha-lipoic acid with novel modification
Patent number
5,994,393
Issue date
Nov 30, 1999
ASTA Medica Aktiengesellschaft
Thomas Beisswenger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(+)- and (-) -8-halogen-6- hydroxy-octanoic acid its salts and este...
Patent number
5,977,391
Issue date
Nov 2, 1999
Arzneimittelwerk Dresden GmbH
Rainer Gewald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(+)- or (-) -8-halogen-6-hydroxy-octanoic acid, its salts and ester...
Patent number
5,869,713
Issue date
Feb 9, 1999
Arzneimittelwerk Dresden GmbH
Rainer Gewald
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
(+) and (-)-8-chloro-6-sulfonyloxy-octanoic acid, its derivatives,...
Patent number
5,731,448
Issue date
Mar 24, 1998
Arzneimittelwerk Dresden GmbH
Rainer Gewald
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the racemization of enantiomers of .alpha.-lipoic acid
Patent number
5,621,117
Issue date
Apr 15, 1997
ASTA Medica Aktiengesellschaft
Horst Bethge
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
Information
Patent Grant
Preparation and use of salts of the pure enantiomers of alpha-lipoi...
Patent number
5,281,722
Issue date
Jan 25, 1994
Degussa AG
Gottfried Blaschke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
S-substituted 2-azido-3-mercapto-propionic acid ester and process f...
Patent number
4,523,012
Issue date
Jun 11, 1985
Degussa Aktiengesellschaft
Franz Effenberger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of N-acetyl-2,3-dehydro-aminocarboxylic...
Patent number
4,456,766
Issue date
Jun 26, 1984
Degussa Aktiengesellschaft
Franz Effenberger
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method and system for resistance seam welding of a foil and at leas...
Publication number
20040226919
Publication date
Nov 18, 2004
DaimlerChrysler AG
Thomas Beisswenger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Membrane module for hydrogen separation
Publication number
20040003720
Publication date
Jan 8, 2004
DaimlerChrysler AG
Thomas Beisswenger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL