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Norman R. Pearson
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Walnut Creek, CA, US
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last 30 patents
Information
Patent Grant
Process for the preparation of alkyl 3-chloroanthranilates
Patent number
5,118,832
Issue date
Jun 2, 1992
DowElanco
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-ethoxy-5-fluoromethyl-1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonam...
Patent number
5,015,286
Issue date
May 14, 1991
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenoxyphenoxypropionates, intermediates thereof and methods of pre...
Patent number
5,012,017
Issue date
Apr 30, 1991
DowElanco
Jon A. Orvik
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,6-disubstituted anilines
Patent number
4,983,772
Issue date
Jan 8, 1991
The Dow Chemical Company
William A. Kleschick
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-fluoromethyl-1,2,4-triazolo[1,5,-a]-pyrimidine-2-sulfonamides
Patent number
4,979,981
Issue date
Dec 25, 1990
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-ethoxy-5-fluoromethyl-1,2,4-triazole[1,5-a]-pyrimidine-2-sulfonam...
Patent number
4,959,473
Issue date
Sep 25, 1990
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides, composi...
Patent number
4,954,163
Issue date
Sep 4, 1990
The Dow Chemical Company
William A. Kleschik
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-Fluoromethyl-1,2,4-triazolo(1,5-A)-pyrimidines
Patent number
4,904,301
Issue date
Feb 27, 1990
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides
Patent number
4,886,883
Issue date
Dec 12, 1989
The Dow Chemical Company
William A. Kleschick
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides, composi...
Patent number
4,818,273
Issue date
Apr 4, 1989
The Dow Chemical Company
William A. Kleschick
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides
Patent number
4,799,952
Issue date
Jan 24, 1989
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides an...
Patent number
4,755,212
Issue date
Jul 5, 1988
The Dow Chemical Company
William A. Kleschick
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamides and com...
Patent number
4,741,764
Issue date
May 3, 1988
The Dow Chemical Company
William A. Kleschick
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamides and com...
Patent number
4,740,233
Issue date
Apr 26, 1988
The Dow Chemical Company
William A. Kleschick
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Imidazo[1,2-a]pyrimidine sulfonic acids and acid halides
Patent number
4,731,446
Issue date
Mar 15, 1988
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]...
Patent number
4,685,958
Issue date
Aug 11, 1987
The Dow Chemical Company
Norman R. Pearson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,2,4-triazolo[1,5-a]-1,3,5-triazine-2-sulfonamides and composition...
Patent number
4,605,433
Issue date
Aug 12, 1986
The Dow Chemical Company
Norman R. Pearson
C05 - FERTILISERS MANUFACTURE THEREOF