Erodible matrix for sustained release bioactive composition

Details Erodible matrix for sustained release bioactive composition Erodible matrix for sustained release bioactive composition

1986-10-14

1989-02-21

Kight, John

Chemistry: fertilizers

Processes and products

Forms or conditioning

42840224, 424457, 424465, 424468, 424469, 424408, 424 78, 514772, 514784, 71 6411, A61J 310

Patent

active

048063371

ABSTRACT:
A sustained release composition for releasing a biologically active compound into an aqueous liquid environment comprises said biologically active compound dispersed in a bioerodible matrix, the matrix comprising a mixture of (a.) 5% to 95% by weight of a solid water-dispersible polyether diol having a molecular weight from about 1000 to about 20,000K selected from the group consisting of polyethylene glycols and polyethylene oxide-polypropylene oxide block copolymers, and

REFERENCES:
patent: 3336155 (1967-08-01), Rowe
patent: 3634584 (1969-02-01), Poole
patent: 3641236 (1972-02-01), Coppen et al.
patent: 4333919 (1982-06-01), Kleber et al.
patent: 4346709 (1982-08-01), Schmitt
patent: 4351825 (1982-09-01), Sothmann et al.
patent: 4629621 (1986-12-01), Snipes

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