Joseph A Dunbar

age ~88

from Hayward, CA

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Joseph Dunbar Phones & Addresses

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Skills:

Business Development
Blood

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Work:

Security Consultant

Name / Title

Company / Classification

Phones & Addresses

Joseph R. Dunbar
Managing

Dunbar Subsea Consulting, LLC

Joseph Dunbar

Dunbars LLC
Restaurant

4949 Manila Ave, Oakland, CA 94609

Herbicidal Sulfonamides
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US Patent:

46380752, Jan 20, 1987
Filed:

Dec 23, 1985
Appl. No.:

6/812612
Inventors:

William A. Kleschick - Martinez CA
Anna P. Vinogradoff - Concord CA
Joseph E. Dunbar - Midland MI
Assignee:

The Dow Chemical Company - Midland MI
International Classification:

C07C15714
C07D33338
C07D33332
C07D48700
US Classification:

558 5
Abstract:

Sulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]pyrimidines are prepared by reacting a desired sulfonamide with dimethyl N-cyanodithioiminocarbonate in the presence of a base followed by reaction with an excess of hydrazine and then a 1,3-dicarbonyl compound. The resulting products have a variety of herbicidal uses.

Process For The Preparation Of Intermediates Useful For Making Herbicidal Sulfonamides Derived From Substituted 2-Amino-1,2,4-Triazolo(1,5-A)Pyrimidines
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US Patent:

47727209, Sep 20, 1988
Filed:

Aug 8, 1986
Appl. No.:

6/894427
Inventors:

William A. Kleschick - Martinez CA
Anna P. Vinogradoff - Concord CA
Joseph E. Dunbar - Midland MI
Assignee:

The Dow Chemical Company - Midland MI
International Classification:

C07D24914
US Classification:

548267
Abstract:

Sulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]pyrimidines are prepared by reacting a desired sulfonamide with dimethyl N-cyanodithioiminocarbonate in the presence of a base followed by reaction with an excess of hydrazine and then a 1,3-dicarbonyl compound. The resulting products have a variety of herbicidal uses.

Process For The Preparation Of Herbicidal Sulfonamides
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US Patent:

46508929, Mar 17, 1987
Filed:

Dec 23, 1985
Appl. No.:

6/812613
Inventors:

William A. Kleschick - Martinez CA
Anna P. Vinogradoff - Concord CA
Joseph E. Dunbar - Midland MI
Assignee:

The Dow Chemical Company - Midland MI
International Classification:

C07D48700
C07D23900
C07D24914
C07C15714
US Classification:

558 5
Abstract:

Sulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]pyrimidines are prepared by reacting a desired sulfonamide with dimethyl N-cyanodithioiminocarbonate in the presence of a base followed by reaction with an excess of hydrazine and then a 1,3-dicarbonyl compound. The resulting products have a variety of herbicidal uses.