Sustained release compositions

Details Sustained release compositions Sustained release compositions

1983-03-03

1985-07-09

Sneed, Helen M. S.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

A61K 746, C11B 900

Patent

active

045281254

ABSTRACT:
Dispersions capable of the sustained release of active organic agents comprising an aqueous dispersion of a water-insoluble cellulose ether which cellulose ether particles have reversibly diffused therein the active agent. The dispersions may be used as dispersions, dewatered to form a powder, or coalesced to form films or other articles all of which are capable of sustained release of the active agent.

REFERENCES:
patent: 3609102 (1971-09-01), Schlossman
patent: 3688985 (1972-09-01), Engel
patent: 3691271 (1972-09-01), Charle et al.
patent: 3767787 (1973-10-01), Segal
patent: 3939099 (1976-02-01), Tusa et al.
patent: 3981821 (1976-09-01), Kiritani et al.
patent: 4067824 (1978-01-01), Teng et al.
patent: 4128507 (1978-12-01), Mitzner
patent: 4428869 (1984-01-01), Munteanu et al.

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