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:
Jan. 27, 2026
Filed:
Sep. 20, 2019
Applicant:
Celltrion, Inc., Incheon, KR;
Inventors:
Srinivas Reddy Desi Reddy, Telangana, IN;
Vijayavitthal Thippannachar Mathad, Telangana, IN;
Dnyandev Ragho Rane, Telangana, IN;
Vikas Shivaji Patil, Telangana, IN;
Assignee:
Celltrion, Inc., Incheon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/4164 (2006.01); A61P 9/06 (2006.01); C07C 55/10 (2006.01); C07D 233/10 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4164 (2013.01); A61P 9/06 (2018.01); C07C 55/10 (2013.01); C07D 233/10 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a crystal form of (−)-Cibenzoline succinate. In addition, the present invention relates to a method for preparing (−)-cibenzoline succinate having a chiral purity of 99.9% or higher. Additionally, the present invention provides a method for preparing (−)-cibenzoline succinate and a crystal form thereof.