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Tyler A. Stevenson
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Teaneck, NJ, US
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last 30 patents
Information
Patent Grant
Methods for the preparation of tris-aryl-o-hydroxyphenyl-s-triazines
Patent number
6,242,598
Issue date
Jun 5, 2001
Ciba Specialty Chemicals Corporation
Tyler Arthur Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for making 5-thio-substituted benzotriazole UV absorbers
Patent number
5,942,626
Issue date
Aug 24, 1999
Ciba Specialty Chemicals Corporation
Roland A.E. Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tris-aryl-s-triazines substituted with biphenylyl groups
Patent number
5,849,821
Issue date
Dec 15, 1998
Ciba Specialty Chemicals Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tris-aryls-triazines substituted with biphenylyl groups
Patent number
5,726,309
Issue date
Mar 10, 1998
Ciba Specialty Chemicals Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compositions stabilized with red-shifted tris-aryl-s-triazines
Patent number
5,684,070
Issue date
Nov 4, 1997
Ciba Specialty Chemicals Corporation
Tyler Arthur Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Red-shifted tris-aryl-s-triazines
Patent number
5,681,955
Issue date
Oct 28, 1997
Ciba Specialty Chemicals Corporation
Tyler Arthur Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Red-shifted tris-aryl-S-triazines
Patent number
5,675,004
Issue date
Oct 7, 1997
Ciba-Geigy Corporation
Tyler Arthur Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compositions stabilized with red-shifted tris-aryl-s-triazines
Patent number
5,648,488
Issue date
Jul 15, 1997
Ciba-Geigy Corporation
Tyler Arthur Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compositions stabilized with red-shifted tris-aryl-s-triazines
Patent number
5,637,706
Issue date
Jun 10, 1997
Ciba-Geigy Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hybrid s-triazine light stabilizers substituted by benzotriazole or...
Patent number
5,585,422
Issue date
Dec 17, 1996
Ciba-Geigy Corporation
Robert A. Falk
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Red-shifted tris-aryl-s-triazines and compositions stabilized there...
Patent number
5,556,973
Issue date
Sep 17, 1996
Ciba-Geigy Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Red-shifted tris-aryl-s-triazines and compositions stabilized there...
Patent number
5,543,518
Issue date
Aug 6, 1996
Ciba-Geigy Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compositions stabilized with 5-thio-substituted benzotriazole UV-ab...
Patent number
5,516,914
Issue date
May 14, 1996
Ciba-Geigy Corporation
Roland A. E. Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
S-triazine UV absorbers substituted by a sulfur-containing moiety
Patent number
5,476,937
Issue date
Dec 19, 1995
Ciba-Geigy Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compositions stabilized with 5-sulfonyl-substituted benotriazole UV...
Patent number
5,436,349
Issue date
Jul 25, 1995
Ciba-Geigy Corporation
Roland A. E. Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electro coat/base coat/clear coat finishes stabilized with S-triazi...
Patent number
5,354,794
Issue date
Oct 11, 1994
Ciba-Geigy Corporation
Tyler A. Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-sulfonyl-substituted benzotriazole UV-absorbers
Patent number
5,280,124
Issue date
Jan 18, 1994
Ciba-Geigy Corporation
Roland A. E. Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-thio-substituted benzotriazole UV-absorbers
Patent number
5,278,314
Issue date
Jan 11, 1994
Ciba-Geigy Corporation
Roland A. E. Winter
C07 - ORGANIC CHEMISTRY