Sintered herbicide-filled cellulose ester particles having impro

Details Sintered herbicide-filled cellulose ester particles having impro Sintered herbicide-filled cellulose ester particles having impro

1977-04-28

1978-08-15

Brust, Joseph Paul

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 64F, 71DIG1, A01N 924, A01N 920

Patent

active

041069269

ABSTRACT:
A controlled-release composition comprising discrete particles of water-leachable herbicide occupying the voids, or channels, of a particulate, substantially water-impermeable, porous, cellulose ester carrier is provided with enhanced resistance to water leaching of the herbicide component thereof following sintering of the herbicide contained in the composition.
The herbicide-filled cellulose ester composition can be prepared by the method which comprises:

REFERENCES:
patent: 3013873 (1961-12-01), Hart et al.
patent: 3014063 (1961-12-01), McLane et al.
patent: 3172752 (1965-03-01), Pierce
patent: 3318769 (1967-05-01), Folckemer
patent: 3328256 (1967-06-01), Gaunt
patent: 3336155 (1967-08-01), Rowe
patent: 3560196 (1971-02-01), Horai et al.
Stokes, et al., J. Agr. Food Chem., vol. 21, 1973, pp. 103-108.

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