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. 27, 2017
Filed:
Dec. 15, 2014
Applicant:
Sun Pharmaceutical Industries Limited, Mumbai, IN;
Inventors:
Rajamannar Thennati, Baroda, IN;
Rajeev Budhdev Rehani, Baroda, IN;
Mukesh Nathalal Vaghela, Baroda, IN;
Rashminkumar Rameshchandra Pandya, Baroda, IN;
Assignee:
Sun Pharmaceutical Industries Limited, Mumbai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 407/06 (2006.01); C07D 409/06 (2006.01); C07D 335/02 (2006.01); A61K 31/4436 (2006.01);
U.S. Cl.
CPC ...
C07D 409/06 (2013.01); A61K 31/4436 (2013.01); C07D 335/02 (2013.01);
Abstract
The present invention relates to a method of treating acne or psoriasis by topically administering Tazarotene substantially free of dimer impurity of formula 4,4-dimethyl-6-[4-(4,4-dimethylthiochroman-6-yl)-buta-1,3-diynyl]-thiochroman.