CONTROLLED RELEASE MEDICINAL TABLETS
United States Patent 3538214

Inventors:
Polli, Gerald P.
Shoop, Clyde E.
Grim, Wayne M.
Publication Date:
11/03/1970
View Patent Images:
Download PDF 3538214 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
MERCK & CO INC
Primary Class:
424/473
Other Classes:
424/687, 424/692, 424/717, 424/673, 514/223.500
International Classes:
A61K9/24; A61K9/28; A61K9/00; A61J3/00; A61J3/10
US Patent References:
3030273Plastic tablet coating
3039933Ethyl cellulose-polyethylene glycol tablet matrix
3079303Basic tablet granulation and process of using same
3096248Method of making an encapsulated tablet
3112220Method and apparatus for coating particles
3247066Controlled release dosage form containing water-swellable beadlet




<- Previous Patent (METHOD OF SPRAY FORM...)   |   Next Patent (STABILIZED ANTIBIOTI...) ->