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:
Feb. 27, 2024
Filed:
May. 24, 2019
Applicant:
Shenzhen Tenver Biopharm Co., Ltd., Guangdong, CN;
Inventors:
Jidong Wang, Zhejiang, CN;
Jiansong Li, Zhejiang, CN;
Hui Zhang, Zhejiang, CN;
Lingjian Zhang, Zhejiang, CN;
Jun Huang, Zhejiang, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/22 (2006.01); A01N 43/90 (2006.01);
U.S. Cl.
CPC ...
C07D 493/22 (2013.01); A01N 43/90 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a crystal form I of tenvermectin B, which can be characterized by X-ray powder diffraction (XRPD) pattern, Infrared (IR) absorption spectrum, Differential scanning calorimetry (DSC) thermogram and the like. Meanwhile, the present invention also relates to a method for preparing the crystal form I of tenvermectin B and a use thereof.