Storage-stable composition containing exogenous chemical substan

Details Storage-stable composition containing exogenous chemical substan Storage-stable composition containing exogenous chemical substan

1999-02-12

2000-09-12

Dees, Jose' G.

Plant protecting and regulating compositions

Plant growth regulating compositions

Plural active ingredients

504127, A01N 6300, A01N 5700

Patent

active

061178160

ABSTRACT:
A liquid composition is provided for application of a water-soluble exogenous chemical
substance, such as the herbicide N-phosphonomethylglycine in the form of one or more salts thereof, to foliage of a plant, following dilution of the composition in water, to elicit a biological effect. The composition comprises a continuous aqueous phase having a discontinuous oil phase dispersed therein. The aqueous phase includes water wherein is dissolved the exogenous chemical substance in a biologically effective amount. The oil phase includes (a) an adjuvant amount of a siloxane surfactant of formula (I) ##STR1## and (b) a substantially water-insoluble organic solvent for the siloxane surfactant. The organic solvent is present in an amount such that substantially all of the siloxane surfactant is contained in or associated with the oil phase. An advantage of the composition is that the siloxane surfactant exhibits much reduced hydrolytic breakdown by comparison with prior art compositions upon storage for extended periods.

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patent: 5389680 (1995-02-01), Ruminski
patent: 5464807 (1995-11-01), Claude et al.
OSi Specialties, Inc.: Silwet.RTM. Surfactants (1994).
Stevens, P. J. G., Pesticide Science 38, 103-122 (1993).

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