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Wolfgang Eymann
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K oln, DE
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Patents Grants
last 30 patents
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Patent Grant
Process for preparing N-substituted hydroxylamines and salts thereof
Patent number
6,559,340
Issue date
May 6, 2003
Bayer Aktiengesellschaft
Michael Dockner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing trimethylol compounds and formic acid
Patent number
6,441,254
Issue date
Aug 27, 2002
Bayer Aktiengesellschaft
Frank Döbert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
S-(4-biphenyl)-thiosulphuric acids and their salts, method for prod...
Patent number
6,271,415
Issue date
Aug 7, 2001
Bayer Aktiengesellschaft
Friedrich-Wilhelm Ullrich
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of N-phenyl-1-naphthylamine
Patent number
6,133,480
Issue date
Oct 17, 2000
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 4,6-diamino-resorcinol dihydrochloride
Patent number
6,093,852
Issue date
Jul 25, 2000
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 preparation of 4-fluorothiophenol
Patent number
5,659,088
Issue date
Aug 19, 1997
Bayer Aktiengesellschaft
Helmut Fiege
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 4,6-diaminoresorcinol
Patent number
5,574,188
Issue date
Nov 12, 1996
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for preparing N-substituted hydroxylamines and salts thereof
Publication number
20020082453
Publication date
Jun 27, 2002
Michael Dockner
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING TRIMETHYLOL COMPOUNDS AND FORMIC ACID
Publication number
20020077502
Publication date
Jun 20, 2002
Frank Dobert
C07 - ORGANIC CHEMISTRY