The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 2001
Filed:
Dec. 22, 1999
Applicant:
Inventors:
Benjamin Oshlack, New York, NY (US);
Frank Pedi, Jr., Yorktown Heights, NY (US);
Mark Chasin, Manalapan, NJ (US);
Assignee:
Purdue Pharma LP, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/62 ;
U.S. Cl.
CPC ...
A61K 9/62 ;
Abstract
A stabilized solid controlled release dosage form having a coating derived from an aqueous dispersion of ethylcellulose is obtained by overcoating a substrate including a therapeutically active with an aqueous dispersion of ethylcellulose and then curing the coated substrate at a temperature and relative humidity elevated to a suitable level above ambient conditions until the coated dosage form attains a stabilized dissolution profile substantially unaffected by exposure to storage conditions of elevated temperature and/or elevated relative humidity.