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Thomas Lehmann
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Frankfurt am Main, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the preparation of α-substituted carboxylic acids from...
Patent number
7,332,067
Issue date
Feb 19, 2008
Degussa AG
Christian Reufer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Gas diffusion structures and gas diffusion electrodes for polymer e...
Patent number
6,803,143
Issue date
Oct 12, 2004
Umicore AG & Co. KG
Ralf Zuber
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for the electrochemical preparation of hydrogen peroxide
Patent number
6,685,818
Issue date
Feb 3, 2004
Degussa AG
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for the production of alkali metal- and ammonium peroxodisu...
Patent number
6,503,386
Issue date
Jan 7, 2003
Degussa AG
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for the production of 2-hydroxy-4-methylmercaptobutyric acid
Patent number
6,475,370
Issue date
Nov 5, 2002
Degussa AG
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrolysis cell
Patent number
6,217,728
Issue date
Apr 17, 2001
Degussa-Huls AG
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing...
Patent number
6,165,635
Issue date
Dec 26, 2000
Degussa Huls Aktiengesellschaft
Emmanuel Auer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrolytic method for purifying gases
Patent number
6,071,401
Issue date
Jun 6, 2000
Degussa Aktiengesellschaft
Dieter Engel
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Anode catalyst for fuel cells with polymer electrolyte membranes
Patent number
6,066,410
Issue date
May 23, 2000
Degussa Aktiengesellschaft
Emmanuel Auer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Co-tolerant anode catalyst for PEM fuel cells and a process for its...
Patent number
6,007,934
Issue date
Dec 28, 1999
Degussa Aktiengesellschaft
Emmanuel Auer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the purification of gases
Patent number
5,840,174
Issue date
Nov 24, 1998
Degussa Aktiengesellschaft
Thomas Lehmann
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Platinum-aluminum alloy catalyst for fuel cells and method of its p...
Patent number
5,767,036
Issue date
Jun 16, 1998
Degussa Aktiengesellschaft
Andreas Freund
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Platinum alloy catalyst for fuel cells and method of its production
Patent number
5,489,563
Issue date
Feb 6, 1996
Degussa Aktiengesellschaft
Reinhold Brand
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of working up the solution from the enzymatic resolution of...
Patent number
4,909,916
Issue date
Mar 20, 1990
Degussa Aktiengesellschaft
Edgar Koberstein
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Method For Obtaining Plant Proteins
Publication number
20150126711
Publication date
May 7, 2015
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Catalyst with Supplement Component for Hydroprocessing of Bio-feeds...
Publication number
20140058182
Publication date
Feb 27, 2014
Aggregate Energy, LLC
Gert Sandstede
B82 - NANO-TECHNOLOGY
Information
Patent Application
Process for the preparation of alpha-substituted carboxylic acids f...
Publication number
20070095674
Publication date
May 3, 2007
Christian Reufer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method for the anodic alkoxylation of organic compounds
Publication number
20060272952
Publication date
Dec 7, 2006
Christian Reufer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method for the anodic alkoxylation of organic substances
Publication number
20060157353
Publication date
Jul 20, 2006
Christian Reufer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Process for the production of 2-hydroxy-4-methylmercaptobutyric acid
Publication number
20020053521
Publication date
May 9, 2002
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Gas diffusion structures and gas diffusion electrodes for polymer e...
Publication number
20020041992
Publication date
Apr 11, 2002
Ralf Zuber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process for the electrochemical preparation of hydrogen peroxide
Publication number
20020036147
Publication date
Mar 28, 2002
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Process for the production of alkali metal-and ammonium peroxodisul...
Publication number
20020014418
Publication date
Feb 7, 2002
Thomas Lehmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR