Microencapsulation for controlled oral drug delivery system

Details Microencapsulation for controlled oral drug delivery system Microencapsulation for controlled oral drug delivery system

1994-08-02

1996-04-16

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Capsules

424455, 424456, 424489, 514779, 514781, 514782, 514783, 514784, 514788, 514938, 514951, A61K 950

Patent

active

055080413

ABSTRACT:
The invention relates to a microencapsulated emulsion a drug-dispersed oil core surrounded by a water-insoluble capsule material. The capsule material is made up of a polysaccharide which has metal chelating capacity, a biocompatible and water-soluble polymer for improving the physical properties of the capsule material, and emulsifying agents. The ratio of polysaccharide to polymer in the capsule material is at least capsule material, and emulsifying agents. The ratio of polysaccharide to polymer in the capsule material is at least 0.25.

REFERENCES:
patent: 3749799 (1973-07-01), Cort et al.
patent: 3819838 (1974-06-01), Smith et al.

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