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:
Apr. 22, 2014
Filed:
Oct. 16, 2007
Jingang Wang, Beijing, CN;
Haisong Jiang, Haerbin, CN;
Jingang Wang, Beijing, CN;
Haisong Jiang, Haerbin, CN;
Cosci Med-Tech Co. Ltd., Beijing, CN;
Abstract
The present invention relates to controlled porous osmotic pump tablets of high permeable drugs and the preparation process thereof. The controlled porosity osmotic pump tablets do not need to be drilled by laser, but provides controlled porosity for drug release by adding a suitable quantity of pore-forming agents into the semipermeable membrane. In specific embodiments, the present invention relates to controlled porous osmotic pump tablets comprising venlafaxine or metoprolol or pharmaceutically acceptable salts thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile