Biologically active agent encapsulated in biodegradable starch/p

Details Biologically active agent encapsulated in biodegradable starch/p Biologically active agent encapsulated in biodegradable starch/p

1994-12-19

1996-10-15

Clardy, S. Mark

Plant protecting and regulating compositions

Plant growth regulating compositions

504234, 424488, 424493, 424497, 424499, 514122, 514778, 514788, 514965, 71DIG1, A01N 2510, A01N 2526

Patent

active

055654070

ABSTRACT:
Improved release-extending compositions are provided for encapsulation of bioactive agents which exhibit reduced release rates of the bioactive agent from the composition matrix when compared with conventional encapsulated formulations, most preferably employed in agricultural applications for insect and weed control. The compositions of the invention from about 25-75 wt. % (non-active ingredient basis) native, undenatured starch, from about 25-75 wt. % (non-active ingredient basis) biodegradable synthetic polymer, and from about 1-40 wt. % bioactive agent.

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Eith et al.; Drug Development and Industrial Pharmacy, 12(11-13), 2113-2126 (1986).
Voris et al.; Pesticide Formulations: Innovations and Developments; Root Growth Inhibition, pp. 223-240 1990.
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