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:
Aug. 30, 2011
Filed:
Sep. 30, 2005
Applicants:
Chien-hsuan Han, Sunnyvale, CA (US);
Larry Hsu, Los Altos Hills, CA (US);
Ann F. Hsu, Los Altos Hills, CA (US);
Inventors:
Chien-Hsuan Han, Sunnyvale, CA (US);
Larry Hsu, Los Altos Hills, CA (US);
Ann F. Hsu, Los Altos Hills, CA (US);
Assignee:
Impax Laboratories, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates generally to pharmaceutical dosage forms comprising: an absorption window active agent; a controlled release component comprising enteric-coated controlled release beads, wherein the enteric-coated release beads comprise at least two pH-sensitive polymer layers. The controlled-release dosage forms provide good bioavailability of absorption window active agents.