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. 29, 2000
Filed:
Oct. 22, 1997
Applicant:
Inventors:
Edward M Rudnic, Potomac, MD (US);
Beth A Burnside, Silver Spring, MD (US);
Henry H Flanner, Montgomery, MD (US);
Sandra E Wassink, Frederick, MD (US);
Richard A Couch, Bethesda, MD (US);
Jill E Pinkett, Baltimore, MD (US);
Assignee:
Shire Laboratories, Inc., Rockville, MD (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424473 ; 424476 ; 424479 ; 424480 ; 424482 ; 514356 ; 514960 ;
Abstract
An osmotic drug delivery system, preferably in tablet form, which dispenses a therapeutic agent having limited water solubility in solubilized form. The delivery system comprises a core that is free of swellable polymers and comprises nonswelling solubilizing agents and wicking agents. The solubilized therapeutic agent is delivered through a passageway in the semipermeable coating of the tablet.