Encapsulated slow release fertilizers

Details Encapsulated slow release fertilizers Encapsulated slow release fertilizers

1990-03-22

1992-02-18

Raymond, Richard L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 6412, 71 6413, 71119, 427213, A01N 2526, C05G 500

Patent

active

050890417

ABSTRACT:
A coated product comprising a water soluble core material having a water insoluble polymeric coating encapsulating said core and a process for the production thereof. The encapsulating coating comprising a water-borne, polyvinylidene chloride-based latex composition which provides for the release of the water soluble core material over an extended period of time.

REFERENCES:
patent: 3992558 (1976-11-01), Smith-Johannsen et al.
patent: 4198782 (1980-04-01), Kydonieus
patent: 4401788 (1983-08-01), Hiyoshi et al.
patent: 4759956 (1988-07-01), Amer et al.

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