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Hans-Ulrich Dummersdorf
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Leverkusen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for working up reaction gases during the oxidation HCI to c...
Patent number
6,387,345
Issue date
May 14, 2002
Bayer Aktiengesellschaft
Fritz Gestermann
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for obtaining carbon monoxide and hydrogen
Patent number
6,048,508
Issue date
Apr 11, 2000
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and device for delivering hot, aggressive media
Patent number
5,820,827
Issue date
Oct 13, 1998
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for mass transfer using fluidized bed bodies
Patent number
5,718,846
Issue date
Feb 17, 1998
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and device for delivering hot, aggressive media
Patent number
5,660,810
Issue date
Aug 26, 1997
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the utilization of sewage sludges
Patent number
5,645,614
Issue date
Jul 8, 1997
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Pump for delivering hot, corrosive media
Patent number
5,569,024
Issue date
Oct 29, 1996
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Process and a device for detoxifying the waste gases from waste inc...
Patent number
5,505,909
Issue date
Apr 9, 1996
Maschinen-und Anlagenbau Grimma GmbH
Hans-Ulrich Dummersdorf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for converting plastic waste into power
Patent number
5,369,947
Issue date
Dec 6, 1994
Bayer Aktiengesellschaft
Hans-Ulrich Dummersdorf
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Method For the Reduction of Chlorine-Containing Components in Organ...
Publication number
20080228006
Publication date
Sep 18, 2008
Lanxess Deutschland GmbH
Andreas Job
C07 - ORGANIC CHEMISTRY