Controlled release pesticides

Details Controlled release pesticides Controlled release pesticides

1979-07-20

1981-05-12

Levin, Stanford M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

71DIG1, 71 93, 71117, 2601125, 424 19, 424 78, 424 93, 424358, 526301, 536 2, 536 31, 536 45, 536 51, 536 55, C08F 832

Patent

active

042672813

ABSTRACT:
Controlled release pesticides are prepared by reacting an isocyanate derivative of a pesticide with a polymer having pendant groups containing a reactive hydrogen to obtain a novel pesticide-polymer system in which the pesticide is chemically bonded to the polymer. Active pesticidal material is released from the pesticide-polymer system by hydrolysis or chemical depolymerization under conditions of use.

REFERENCES:
patent: 3213236 (1974-05-01), Allan
patent: 3470148 (1965-10-01), Allan
patent: 3485806 (1967-12-01), Bloomquist et al.
patent: 3539373 (1970-11-01), Cooke
patent: 3619371 (1971-11-01), Crook et al.
patent: 3761936 (1976-06-01), Westphal et al.
CA 78, 125374s (1973).
J. Agr. Food Chem., 24, pp. 666-668 (1976).

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