US2013245154A1PendingUtilityA1

Controlled release dosage forms

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Assignee: ZHOU FANGPriority: Feb 21, 2002Filed: May 13, 2013Published: Sep 19, 2013
Est. expiryFeb 21, 2022(expired)· nominal 20-yr term from priority
Inventors:Fang ZhouPaul Maes
A61P 43/00A61K 31/135A61P 29/02A61K 9/2866A61K 31/155A61K 9/2846A61P 25/04A61K 9/2853A61K 31/137A61K 9/2027A61P 29/00A61K 9/2009
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Claims

Abstract

The invention provides stable controlled release monolithic coating compositions for use in coating pharmaceutical oral dosage forms comprising a polyglycol having a melting point greater than 55° C. and an aqueous dispersion of a neutral ester copolymer lacking functional groups.

Claims

exact text as granted — not AI-modified
1 . A stable controlled release monolithic coating composition for use in coating a pharmaceutical oral dosage form, said coating comprising:
 a) an aqueous dispersion of a neutral ester copolymer without any functional groups;   b) a poly glycol having a melting point greater than 55° C., and   c) one or more pharmaceutically acceptable excipients; wherein said coating composition is coated onto said pharmaceutical oral dosage form and cured at a temperature at least equal to or greater than the melting point of said poly glycol.   
     
     
         2 - 40 . (canceled)

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