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Gunter Rauchschwalbe
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Cologne, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Specific mixtures of N,N-bis(2-hydroxyalkyl)-4-toluidine derivative...
Patent number
9,512,298
Issue date
Dec 6, 2016
LANXESS Deutschland GmbH
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for isolating di-trimethylol propane
Patent number
8,642,816
Issue date
Feb 4, 2014
LANXESS Deutschland GmbH
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the decarboxylation of dicarboxylic acids
Patent number
7,671,217
Issue date
Mar 2, 2010
LANXESS Deutschland GmbH
Sigurd Buchholz
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
Benzodioxinothiophenes, their preparation and use
Patent number
6,825,357
Issue date
Nov 30, 2004
Bayer Aktiengesellschaft
Günter Rauchschwalbe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Process for the alkylation of 3,4-dihydroxythiophene-2,5-dicarboxyl...
Patent number
6,750,354
Issue date
Jun 15, 2004
Bayer Aktiengesellschaft
Günter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of 2,6-dichloro-5-fluoro-nicotinic acid a...
Patent number
6,441,182
Issue date
Aug 27, 2002
Bayer Aktiengesellschaft
Günter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis(2-chlorothiazolyl-5-methyl)amine and its salts, and process for...
Patent number
6,403,803
Issue date
Jun 11, 2002
Bayer Aktiengesellschaft
Günter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dialkylthiophenes and alkylenedioxyt...
Patent number
6,369,239
Issue date
Apr 9, 2002
Bayer Aktiengesellschaft
Günter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing di-C.sub.1 - C.sub.4 -alkyl 5-nitro-isophthal...
Patent number
6,002,041
Issue date
Dec 14, 1999
Bayer Aktiengesellschaft
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 4-hydroxybiphenyl
Patent number
5,847,234
Issue date
Dec 8, 1998
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of N-arylaminoacrylic acid derivatives...
Patent number
5,672,708
Issue date
Sep 30, 1997
Bayer Aktiengesellschaft
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of crude 2,2-bis-(3,5-dimethyl-4-hydro...
Patent number
4,990,686
Issue date
Feb 5, 1991
Bayer Aktiengesellschaft
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of chloroformic acid aryl esters
Patent number
4,366,102
Issue date
Dec 28, 1982
Bayer Aktiengesellschaft
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of naphthalenesulphonyl chloride
Patent number
4,339,396
Issue date
Jul 13, 1982
Bayer Aktiengesellschaft
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Specific mixtrues of N,N-bis(2-hydroxyalkyl)-4-toluidine derivative...
Publication number
20130116395
Publication date
May 9, 2013
LANXESS Deutschland
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR ISOLATING DI-TRIMETHYLOL PROPANE
Publication number
20120010435
Publication date
Jan 12, 2012
Lanxess Deutschland GmbH
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Specific mixtures of N,N-bis(2-hydroxyalkyl)-4-toluidine derivative...
Publication number
20060052555
Publication date
Mar 9, 2006
LANXESS Deutschland GmbH
Gunter Rauchschwalbe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Information
Patent Application
Process for the alkylation of 3,4-dihydroxythiophene-2,5-dicarboxyl...
Publication number
20030097007
Publication date
May 22, 2003
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Benzodioxinothiophenes, their preparation and use
Publication number
20030028024
Publication date
Feb 6, 2003
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing basic organic nitrogen-containing compounds b...
Publication number
20020016462
Publication date
Feb 7, 2002
Johannes Scherer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of dialkylthiophenes and alkylenedioxyt...
Publication number
20010034453
Publication date
Oct 25, 2001
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY