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Herbert Emde
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Cologne, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for hydrolysing cyclopropanecarboxylic esters to the free acid
Patent number
7,629,490
Issue date
Dec 8, 2009
LANXESS Deutschland GmbH
Reinhard Langer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-phenylbenzimidazole-5-sulphonic acid from isolated 3,4-diaminoben...
Patent number
6,888,005
Issue date
May 3, 2005
Bayer Aktiengesellschaft
Günter Rauchschwalbe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of isolated 3,4-diaminobenzenesulphonic...
Patent number
6,787,666
Issue date
Sep 7, 2004
Bayer Chemicals AG
Günter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of polyaspartic acids in cleaner formulations with abrasive action
Patent number
6,245,157
Issue date
Jun 12, 2001
Bayer Aktiengesellschaft
Manfred Gerlach
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Process for the preparation of 5-fluoro-2-nitrobenzoic acid
Patent number
5,756,831
Issue date
May 26, 1998
Bayer Aktiengesellschaft
Wolfram Kissener
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for separating mixtures of nitrobenzaldehyde isomers
Patent number
5,567,854
Issue date
Oct 22, 1996
Bayer Aktiengesellschaft
Wolfram Kissener
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aminoaryl-sulphonic acids
Patent number
4,968,835
Issue date
Nov 6, 1990
Bayer Aktiengesellschaft
Heinz U. Blank
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of chemical compounds obtained as solid...
Patent number
4,788,011
Issue date
Nov 29, 1988
Bayer Aktiengesellschaft
Roland Busse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing p-toluidine-2-sulphonic acid
Patent number
4,717,514
Issue date
Jan 5, 1988
Bayer Aktiengesellschaft
Heinz U. Blank
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aminoarylsulphonic acids in sulfolen...
Patent number
4,447,368
Issue date
May 8, 1984
Siemens-Allis, Inc.
Herbert Emde
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aromatic aminosulphonic acids
Patent number
4,435,336
Issue date
Mar 6, 1984
Bayer Aktiengesellschaft
Herbert Emde
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for hydrolysing cyclopropanecarboxylic esters to the free acid
Publication number
20060224014
Publication date
Oct 5, 2006
LANXESS Deutschland GmbH
Reinhard Langer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of isolated 3,4-diaminobenzenesulphonic...
Publication number
20040059126
Publication date
Mar 25, 2004
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
2-phenylbenzimidazole-5-sulphonic acid from isolated 3,4-diaminoben...
Publication number
20040059125
Publication date
Mar 25, 2004
Gunter Rauchschwalbe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE