Zetachron, Inc.

Stephen J Wagner

Wallace C Snipes

The invention is directed to a pharmaceutical composition comprising a microencapsulated potassium salt encapsulated in a shell wall consisting essentially of from about 85% to about 97% ethyl cellulose and from about 3% to about 15% of an amphiphile based on the weight of the shell wall; wherein the weight of said shell wall is from about 3% to about 15% of the total weight of the microencapsulated potassium salt.

Controlled release potassium chloride composition

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

Erodible matrix for sustained release bioactive composition

A sustained release composition for releasing a biologically active compound into an aqueous liquid environment comprises the biologically active compound dispersed in a bioerodible matrix, the matrix comprising a mixture of

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Pennsylvania Furnace, PA, United States of America

Stephen J Wagner