Title:
Ethyl cellulose-polyethylene glycol tablet matrix
United States Patent 3039933

Inventors:
Robert, Goldman
Publication Date:
06/19/1962
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Assignee:
PREMO PHARMACEUTICAL LAB INC
Primary Class:
International Classes:
A61K9/26
US Patent References:
2798837Achlorhydria composition
2805977Sustained release pharmaceutical preparation
2809917Sustained release pharmaceutical tablets
2894289Method of making permeselective membranes
2987445Drug composition
Foreign References:
AU109438B