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Gerhard Darsow
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Krefeld, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing variable mixtures of cyclohexylamine and dicyc...
Patent number
6,335,470
Issue date
Jan 1, 2002
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the hydrogenation of sugars
Patent number
6,124,443
Issue date
Sep 26, 2000
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ru--Pd halogen-free catalyzers and method for producing cycloalipha...
Patent number
6,111,140
Issue date
Aug 29, 2000
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aliphatic diols
Patent number
6,037,504
Issue date
Mar 14, 2000
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing isocamphyl cyclohexanoles
Patent number
6,031,140
Issue date
Feb 29, 2000
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing .alpha.-D-glucopyranosido-1,6-mannitol and-so...
Patent number
6,020,472
Issue date
Feb 1, 2000
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing succinic anhydride
Patent number
5,952,514
Issue date
Sep 14, 1999
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing isocamphylcyclohexanols
Patent number
5,874,648
Issue date
Feb 23, 1999
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing dialkyl succinates
Patent number
5,872,276
Issue date
Feb 16, 1999
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing hydroxymethylcyclopropane
Patent number
5,786,521
Issue date
Jul 28, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of succinic anhydride
Patent number
5,770,744
Issue date
Jun 23, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing hydroxybiphenyl
Patent number
5,763,717
Issue date
Jun 9, 1998
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing D,L-menthol from D-menthol
Patent number
5,756,864
Issue date
May 26, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of D,L-menthol
Patent number
5,750,803
Issue date
May 12, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a mixture of amino-methyl-cyclohexanes and di...
Patent number
5,741,929
Issue date
Apr 21, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a mixture of amino-methyl-cyclohexanes and di...
Patent number
5,739,404
Issue date
Apr 14, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a mixture of cyclohexylamine and dicyclohexyl...
Patent number
5,728,883
Issue date
Mar 17, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of hydroxymethyl-cyclopropane
Patent number
5,728,896
Issue date
Mar 17, 1998
Bayer Aktiengesellschaft
Lutz Frohn
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a mixture of cyclohexylamine and dicyclohexyl...
Patent number
5,705,700
Issue date
Jan 6, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 1,4-butanediol from maleic anhydride
Patent number
5,705,715
Issue date
Jan 6, 1998
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aliphatic .alpha., .omega.-diols
Patent number
5,696,303
Issue date
Dec 9, 1997
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of .alpha.-D-glucopyranosido-1,6-mannit...
Patent number
5,644,044
Issue date
Jul 1, 1997
Bayer Aktiengesellschaft
Gerhard Darsow
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for the hydrogenation of sugars
Patent number
5,641,872
Issue date
Jun 24, 1997
Bayer Aktiengesellschaft
Gerhard Darsow
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing 1-(4-chlorophenyl)-4,4-dimethyl-pentan-3-one
Patent number
5,639,917
Issue date
Jun 17, 1997
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing diphenylamines and catalysts usable for this...
Patent number
5,625,097
Issue date
Apr 29, 1997
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of succinic acid dialkyl esters
Patent number
5,606,099
Issue date
Feb 25, 1997
Bayer Aktiengesellschaft
Gerhard Darsow
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Palladium catalyst and its use in the preparation of a mixture of o...
Patent number
5,386,060
Issue date
Jan 31, 1995
Bayer Aktiengesellschaft
Otto Immel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of a mixture of cyclohexylamine and dic...
Patent number
5,371,294
Issue date
Dec 6, 1994
Bayer Aktiengesellschaft
Otto Immel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing diphenylamines
Patent number
5,344,987
Issue date
Sep 6, 1994
Bayer Aktiengesellschaft
Otto Immel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of diphenylamines
Patent number
5,338,885
Issue date
Aug 16, 1994
Bayer Aktiengesellschaft
Otto Immel
C07 - ORGANIC CHEMISTRY