Angelo J Bufalini

age ~77

from Benicia, CA

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Herbicide Compositions Of Extended Soil Life
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US Patent:

45458057, Oct 8, 1985
Filed:

Sep 12, 1983
Appl. No.:

6/531192
Inventors:

Angelo J. Bufalini - San Francisco CA
Edmund J. Gaughan - Berkeley CA
Assignee:

Stauffer Chemical Company - Westport CT
International Classification:

A01N 3702
US Classification:

71 87
Abstract:

Herbicidally active thiolcarbamates are employed in combination with certain organophosphate compounds having the formula ##STR1## in which R. sub. 4 is selected from the group consisting of hydrogen and lower alkyl having from about 1 to about 6 carbon atoms; R. sub. 5 is lower alkyl having from about 1 to about 6 carbon atoms; R. sub. 6 is lower alkyl having from about 1 to about 6 carbon atoms; X is selected from the group consisting of oxygen or sulfur, and Y is selected from the group consisting of oxygen or sulfur. In a typical application, the organophosphate compound is included in sufficient quantity to lessen the rate of soil degradation of the thiolcarbamate. As a result, the herbicidal effectiveness of the thiolcarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.