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.:

US 8591947 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 26, 2013

Filed:

Sep. 24, 2012
Applicants:

Juan A. Vergez, Buenos Aires, AR;

Marcelo A. Ricci, Buenos Aires, AR;

Inventors:

Juan A. Vergez, Buenos Aires, AR;

Marcelo A. Ricci, Buenos Aires, AR;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dosage form that provides a controlled release of at least two different active agents is provided. Particular embodiments include a dosage form that provides therapeutically effective levels of a first active agent and a second active agent in a mammal for an extended period of time following oral administration. An osmotic device containing a bi-layered core is provided. The osmotic device provides a dual controlled release of both drugs from the core. The layers of the core are in stacked, substantially concentric or substantially eccentric arrangement.


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