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:
Dec. 31, 2013
Filed:
Oct. 08, 2010
San-laung Chow, San Jose, CA (US);
David Wong, Milpitas, CA (US);
Damian Garcia, Sunnyvale, CA (US);
San-Laung Chow, San Jose, CA (US);
David Wong, Milpitas, CA (US);
Damian Garcia, Sunnyvale, CA (US);
Biokey, Inc., Fremont, CA (US);
Abstract
Embodiments of the invention generally provide pharmaceutical drug compositions, methods of preparing oral drug compositions, such as extended release dosage compositions, and methods for treating antidepressant or smoking cessation. In one aspect, the invention provides a pharmaceutical formulation comprising a core, including bupropion and its salt derivatives, and a coating. The coating may include from about 5% to about 99% by weight of the coating of a pharmaceutically acceptable pH-independent polymer. The coating may further include from about 0.001% to about 30% by weight of the coating of a surfactant. In another aspect, the invention provides methods for preparing and administering a pharmaceutical composition in oral dosage form, such as a tablet.