Entrapment of biological agent in matrix of coupled...

Details Entrapment of biological agent in matrix of coupled... Entrapment of biological agent in matrix of coupled...

B - Operations, Transporting

01

J

71/47, 117/45.2,

B01J 2/00 (2006.01) A01N 25/28 (2006.01) A61K 9/50 (2006.01) B01J 13/14 (2006.01)

Patent

CA 1077785

Encapsulation by Entrapment Abstract of the Disclosure Water-soluble and water-insoluble solid and liquid core materials are encapsulated by the same method. Core materials are simply entrapped in a matrix of water-insoluble polyhydroxy polymers which are insolubilized from their corresponding water-soluble xanthates in the presence of the core materials. Encapsulation of biologically active compositions provides a shield against hostile environments, improves safety in handling, and slows the release of such compounds to the surrounding medium. Highly volatile liquids are protected against losses by evaporation. Encapsulation also provides protection against decomposition from exposure to ultraviolet light.

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