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:
Oct. 03, 2023
Filed:
May. 09, 2017
Applicant:
Anacor Pharmaceuticals, Inc., New York, NY (US);
Inventors:
Minhua Chen, Jiangsu, CN;
Yanfeng Zhang, Jiangsu, CN;
Fei Lu, Jiangsu, CN;
Nan Xia, Jiangsu, CN;
Xiaoyu Zhang, Jiangsu, CN;
Assignee:
Anacor Pharmaceuticals, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 5/02 (2006.01);
U.S. Cl.
CPC ...
C07F 5/025 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to four crystal forms of crisaborole in free form and the preparation method thereof. The present invention also relates to the pharmaceutical composition containing the crystal forms and the use thereof.