Sustained release compositions for biologically active...

Details Sustained release compositions for biologically active... Sustained release compositions for biologically active...

C - Chemistry, Metallurgy

05

C

71/23, 71/43

C05C 7/00 (2006.01) A01N 25/12 (2006.01) C05C 9/00 (2006.01) C05C 11/00 (2006.01) C05G 3/02 (2006.01)

Patent

CA 1237292

-56- ABSTRACT OF THE DISCLOSURE: SUSTAINED RELEASE COMPOSITIONS FOR BIOLOGICALLY ACTIVE MATERIALS Relates to granular slow release sources of biologically active substances, for application to or under the surface of the soil. Useful biologically active materials include herbicides, insecticides, fungicides, nematocides, pesticides and other biocides, plant growth regulators, and the like. Particles of the biologically active material are intimately mixed with particles of a poorly soluble nitrogen source such as melamine, for example, and a binder, and made up in granular form. The form protects the biologically active material from the degradative effects of sunlight and oxygen, the leaching effect of water, the volatilization effects of wind and sun, and microbiological breakdown initiated by microorganisms.

459570

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