Homogeneous, essentially nonaqueous adjuvant compositions with buffering capability
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United States of America Patent
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Jan 12, 1993
Grant Date -
N/A
app pub date -
Jul 19, 1990
filing date -
Jul 19, 1990
priority date (Note) -
Expired
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Abstract
A homogenous, essentially nonaqueous adjuvant composition comprising a spray oil and a surfactant blend of a sorbitan fatty acid ester, a polyethoxylated sorbitan fatty acid ester and an alkylaryl polyethoxy phosphate ester buffering agent is disclosed. When mixed with an herbicide or a pesticide, the composition provides one-step mixing of the adjuvants to obtain a more uniform spread of the spray solution, improved penetration and slower evaporation. The composition maintains the pH of the spray solution within a desired range even in the presence of alkaline waters typically used in spray solutions.
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