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:
Jun. 06, 2023
Filed:
Apr. 13, 2022
Applicant:
Navinta Iii Inc, Boca Raton, FL (US);
Inventors:
Pankaj Vasudev Parmar, Vadodara, IN;
Raja Jeyakumar John Muthiah, Vadodara, IN;
Vikas Kantilal Chauhan, Vadodara, IN;
Jagdish Kanjibhai Solanki, Vadodara, IN;
Assignee:
Navinta III Inc., Boca Raton, FL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 265/26 (2006.01);
U.S. Cl.
CPC ...
C07D 265/26 (2013.01);
Abstract
Processes that use novel reagents for the removal of colored impurity during the preparation of Salcaprozic Acid and pharmaceutically acceptable salts thereof. The processes include hydrolysis of 8-(2,4-dioxo-1,3-benzoxazin-3-yl)octanoic acid ethyl ester in the presence of or by contacting it with benzotriazole, hydrazine and/or sodium borohydride.