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. 22, 2024
Filed:
Sep. 13, 2021
Applicant:
Shenzhen Rentai Pharmatech Ltd., Guangdong, CN;
Inventors:
Assignee:
SHENZHEN RENTAI PHARMATECH LTD., Guangdong, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/12 (2006.01);
U.S. Cl.
CPC ...
C07D 401/12 (2013.01); C07B 2200/13 (2013.01);
Abstract
Provided is crystal form A of N,N'-(10,17-dioxo-3,6,21,24-tetraoxa-9,11,16, 18-tetrazohexahexane-1,26-di-yl)bis(4-(6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinoline-4-yl) benzene sulfonamide. The crystal form has good light stability, high-temperature stability, and high-humidity stability.