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. 09, 2021
Filed:
Dec. 06, 2019
Brightgene Bio-medical Technology Co., Ltd., Jiangsu, CN;
Jiandong Yuan, Suzhou, CN;
Yangqing Huang, Suzhou, CN;
Linfeng Miao, Suzhou, CN;
Jianing Gu, Suzhou, CN;
Chaohua Liang, Suzhou, CN;
Zhengye Wang, Suzhou, CN;
Zhanli Sun, Suzhou, CN;
BrightGene Bio-Medical Technology Co., Ltd., Jiangsu, CN;
Abstract
The present disclosure involves a composition enriched in compound 61501b, wherein the compound 61501b has a purity of not less than 90% or more. The composition has a significant advantage in preparing a high-purity compound Sp-1. In addition, the present disclosure also provides a preparation method of the composition enriched in compound 61501b. The method adopts a crystallization technique to perform separation and purification, has a simple and convenient operation and good reproducibility, and therefore the compound 61501b in the prepared composition has high purity and quality. Further, the present disclosure also involves a novel crystal form of compound 61501b.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile