Plastic and nonmetallic article shaping or treating: processes – Encapsulating normally liquid material – Liquid encapsulation utilizing an emulsion or dispersion to...
Patent
1994-06-30
1996-02-06
Lovering, Richard D.
Plastic and nonmetallic article shaping or treating: processes
Encapsulating normally liquid material
Liquid encapsulation utilizing an emulsion or dispersion to...
264 41, 424455, 424461, 424493, 4284022, 435178, 514963, 514965, A61K 950, A61K 966, B01J 1320, C12N 1110
Patent
active
054894018
ABSTRACT:
Encapsulation of active materials in chitosan beads of uniform size and improved mechanical and chemical stability. The active material is suspended in an acidic aqueous solution of a chitosan having a molecular weight of less than 250,000, the suspension is added dropwise to a crosslinking solution of diphosphate and glyoxal hydrate and the resulting beads are cured. It is possible to coat the active material with oil prior to suspension.
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Lovering Richard D.
Ramot University Authority for Applied Research & Industrial Dev
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