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:
Sep. 11, 2001
Filed:
Dec. 20, 2000
Applicant:
Inventors:
Beth A. Burnside, Brookeville, MD (US);
Rong-Kun Chang, Rockville, MD (US);
Xiaodi Guo, Derwood, MD (US);
Assignee:
Shire Laboratories, Inc., Rockville, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/22 ;
U.S. Cl.
CPC ...
A61K 9/22 ;
Abstract
A pharmaceutical composition comprising at least one pharmaceutically active agent that is pH dependent, at least one non-pH dependent sustained release agent, and at least one pH dependent agent that increases the dissolution rate of the at least one pharmaceutically active agent at a pH in excess of 5.5. Such compositions have minimized pH-dependent dissolution profiles or pH-independent dissolution profiles.