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:
Nov. 17, 2015
Filed:
Aug. 01, 2011
Aiming Zhang, Jiangsu, CN;
Qide LI, Jiangsu, CN;
Chunguang Xia, Jiangsu, CN;
Xiquan Zhang, Jiangsu, CN;
Aiming Zhang, Jiangsu, CN;
Qide Li, Jiangsu, CN;
Chunguang Xia, Jiangsu, CN;
Xiquan Zhang, Jiangsu, CN;
Jiangsu Chiatai Tianqing Pharmaceutical Co., LTD., Jiangsu, CN;
Abstract
The present invention relates to a crystalline form of tenofovir dipivoxil fumarate, a crystalline composition and a pharmaceutical composition comprising the crystalline form, and also to a process for preparing the same and the use for prophylaxis or treatment of a disease associated with a viral infection. The crystalline form has an X-ray powder diffraction pattern using Cu-Kα radiation, expressed in terms of lattice spacing 'd' comprising peaks at about 18.4714 Å, 5.0350 Å, 4.6380 Å, 4.5347 Å, 4.3838 Å, 4.2874 Å and 3.6304 Å.