Inventors:
John D. Buehler - Germantown TN
Hans J. Medal - Fort Washington PA
Gregory A. Rhoa - Collegeville PA
Assignee:
William H. Rorer, Inc. - Fort Washington PA
International Classification:
A61K 942, A61K 3306, A61K 3308, A61K 3310
Abstract:
This invention relates to an improvement comprising coating agitated particles of substantially anhydrous antacid with a solvent-free mixture of electronegatively charged material in a non-toxic inert substantially water insoluble oil.