Water-based microemulsion formulations

Details Water-based microemulsion formulations Water-based microemulsion formulations

1992-09-30

1994-05-31

Waddell, Frederick E.

Drug, bio-affecting and body treating compositions

Designated organic nonactive ingredient containing other...

Aftertreated solid synthetic organic polymer

514788, 514 65, 514572, 514937, A01N 2500, A01N 6500, A01N 3708

Patent

active

053170423

ABSTRACT:
Clear, stable, efficacious, aqueous microemulsions of a pyrethroid insecticide, optionally with another agriculturally active ingredient, are provided herein. The aqueous microemulsions are obtained by providing an inert matrix composition containing a defined mixture of nonionic surfactants, optionally including an anionic surfactant, mixing with a pyrethroid to form a microemulsion concentrate, and diluting with water. Preferably, the aqueous microemulsion includes an N-alkyl (C.sub.1 -C.sub.4) pyrrolidone therein as a cosolvent in the microemulsion system.

REFERENCES:
patent: 4840663 (1989-06-01), Quadranti et al.
Chemical Abstracts (109: 131269m) 1988).

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