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:
Dec. 27, 2022
Filed:
Aug. 13, 2020
Applicant:
Zhejiang Ausun Pharmaceutical Co., Ltd., Linhai, CN;
Inventor:
Zhiguo Zheng, Linhai, CN;
Assignee:
ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD., Linhai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/044 (2006.01);
U.S. Cl.
CPC ...
C07D 491/044 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a method for preparing Asenapine. In particular, the present invention relates to a method for preparing pharmaceutically acceptable Asenapine free base and new crystal form thereof, and also relates to methods for preparing the intermediate compounds used in said method.
Zheng, Zhiguo. (2022). Method for preparation of asenapine (U.S. Patent No. 11535628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11535628
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile