Microencapsulation process

Details Microencapsulation process Microencapsulation process

1979-06-15

1981-06-09

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

424 19, 424 22, 424 32, 424 78, B01J 1302, A01N 2528

Patent

active

042723981

ABSTRACT:
Pesticides, insect growth regulators and other substances are encapsulated by dissolving the substance to be encapsulated and a biodegradable polymer in a suitable organic solvent, dispersing the solution in an aqueous medium and stirring until the solvent evaporates to form a matrix of the substance in the polymer.

REFERENCES:
patent: 3523906 (1970-08-01), Vrancken et al.
patent: 3773919 (1973-11-01), Boswell et al.
patent: 3887699 (1975-06-01), Yolles
patent: 3976071 (1976-08-01), Sadek
Proceedings, 1977 Controlled Release Pesticide Symposium, Aug. 22-24, 1977, Oregon State Univ.
Sinclair, Environmental Sci. Technol. 1973, 7 (10) 955-956.
Proceedings, 5th Internat'l Symposium on Controlled Release of Bioactive Materials, Aug. 14-16, 1978.
Controlled Release Polymeric Formulations, ACS Symposium Series 33, Amer. Chem. Soc., 1976, Chapter 8.

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