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. 06, 2026
Filed:
Apr. 22, 2022
Applicant:
Quimica Sintetica, S.a., Alcalá de Henares, ES;
Inventors:
Giuseppe Barreca, Sirtori, IT;
Luca Carcone, Milan, IT;
Piero Paravidino, Sedriano, IT;
Daniele Pengo, Senago, IT;
Massimo Zampieri, Casano Maderno, IT;
Liming Huang, Hangzhou City, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 263/57 (2006.01);
U.S. Cl.
CPC ...
C07D 263/57 (2013.01);
Abstract
A crystalline form of 2-(3,5-dichlorophenyl)-1,3-benzoxazole-6-carboxylic acid and a method for its preparation are described. The crystalline form is further suitable as intermediate compound to prepare Form 1, Form 4 and Form M with improved stability and purity.
Barreca, Giuseppe. (2026). Solid state form of tafamidis and a process for its preparation (U.S. Patent No. 12753156). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12753156
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile