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. 23, 2016
Filed:
Mar. 20, 2013
Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.l.a. China, Beijing, CN;
Song Li, Beijing, CN;
Chunsheng Gao, Beijing, CN;
Wu Zhong, Beijing, CN;
Yuli Wang, Beijing, CN;
Meiyan Yang, Beijing, CN;
Li Shan, Beijing, CN;
Xinbo Zhou, Beijing, CN;
Zhibing Zheng, Beijing, CN;
Xiaokui Wang, Beijing, CN;
Abstract
The present invention provides a combination product, which comprises immediate release pellet of phentermine and sustained-release pellet of topiramate, wherein the pellet of topiramate includes: a) a blank pellet core; b) an active drug layer that contains topiramate and is free of binding agent, the layer being located on surface of the blank pellet core; c) a sustained-release coating layer containing ethyl cellulose and PVP K30, the sustained-release coating layer being located on external of the active drug layer. The present invention further discloses a method for preparing the combination product.