Soluble polymer based matrix for chemically active water insolub

Details Soluble polymer based matrix for chemically active water insolub Soluble polymer based matrix for chemically active water insolub

1997-02-04

1998-07-07

Clardy, S. Mark

Plant protecting and regulating compositions

Plant growth regulating compositions

424407, 514950, 71904, 71DIG1, A01N 2530, C05G 500, C08L 3300

Patent

active

057768560

ABSTRACT:
This invention relates to a water soluble matrix composition comprising an anionic surfactant, a C.sub.6 to C.sub.18 alkyl pyrrolidone, urea and a water insoluble copolymer of vinyl pyrrolidone with not more than 50 wt. % of a comonomer selected from the group of an .alpha.-olefin, vinyl acetate, an acrylic or methacrylic acid ester and methacrylamide as a free flowing particulate solid which matrix is suitably mixed with a water insoluble, chemically active component, such as an agrochemical, to provide a clear sprayable film forming emulsion, such as a non-leachable film on a plant or other substrate surface. The invention also relates to the method of preparing the matrix and to the incorporation of an agrochemical concentrate and plant spray composition.

REFERENCES:
patent: 5580578 (1996-12-01), Oshlack et al.
patent: 5597574 (1997-01-01), Narayanan et al.
patent: 5629261 (1997-05-01), Narayanan et al.

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