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Johannes Hubertus Wieringa
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Patents Grants
last 30 patents
Information
Patent Grant
Method for the preparation of enantiomerically pure mirtazapine
Patent number
8,058,436
Issue date
Nov 15, 2011
N.V. Organon
Johannes Hubertus Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compounds of azetidine and pyrrolidin
Patent number
6,403,573
Issue date
Jun 11, 2002
Akzo Nobel N.V.
Dirk Leysen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Derivatives of azetidine and pyrrolidine
Patent number
6,281,243
Issue date
Aug 28, 2001
Akzo Nobel N.V.
Dirk Leysen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenoxyphenyl derivatives, compositions thereof and methods for the...
Patent number
5,430,063
Issue date
Jul 4, 1995
Akzo N.V.
Gerardus S. F. Ruigt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperazine derivatives
Patent number
5,281,598
Issue date
Jan 25, 1994
Akzo nv
Franciscus H. A. Van Bakel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-quinuclidine derivatives
Patent number
5,258,392
Issue date
Nov 2, 1993
Akzo nv
Johannes H. Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenoxyphenyl derivatives, compositions and methods of use thereof
Patent number
5,190,965
Issue date
Mar 2, 1993
Akzo N.V.
Gerardus S. F. Ruigt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dibenzodioxazecine and dibenzodioxaazacycloundecine derivatives
Patent number
5,106,839
Issue date
Apr 21, 1992
Akzo NV
Johannes H. Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted aromatic compounds having an action on the central nerv...
Patent number
5,051,424
Issue date
Sep 24, 1991
Akzo nv
Johannes H. Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dibenzoxepinon and dibenzothiepino-pyridinol or - pyrrotol derivati...
Patent number
4,977,158
Issue date
Dec 11, 1990
Akzo nv
Johannes H. Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Biologically-active tricyclic amines
Patent number
4,564,698
Issue date
Jan 14, 1986
Akzo nv
Johannes H. Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tricyclic compounds
Patent number
4,374,133
Issue date
Feb 15, 1983
Akzo nv
Johannes H. Wieringa
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method for the preparation of enantiomerically pure mirtazapine
Publication number
20060229300
Publication date
Oct 12, 2006
AKZO NOBEL N.V.
Johannes Hubertus Wieringa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Derivatives of azetidine and pyrrolidine
Publication number
20020040016
Publication date
Apr 4, 2002
Dirk Leysen
C07 - ORGANIC CHEMISTRY