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:
Jul. 19, 2022
Filed:
Sep. 26, 2018
Dr. Reddy's Laboratories Limited, Hyderabad, IN;
Srinivas Oruganti, Hyderabad, IN;
Krishnarao Chintada, Srikakulam, IN;
Bhaskar Kandagatla, Hyderabad, IN;
Raju Cheerlavancha, Karimnagar, IN;
Vamsi Krishna Mudapaka, Bhadrachalam, IN;
Rajasekhar Voguri, Hyderabad, IN;
Rajesh Thipparaboina, Mancherial, IN;
Satyanarayana Thirunahari, Hyderabad, IN;
DR. REDDY'S LABORATORIES LIMITED, Hyderabad, IN;
Abstract
The present application provides process for preparation of siponimod, intermediates of siponimod, salts of siponimod, polymorphic forms and solid dispersions of siponimod and its salts thereof. The present application specifically provides crystalline polymorphic forms of siponimod base, siponimod hemifumarate and other salts and pharmaceutical compositions thereof. Also provided are solid dispersions of siponimod hemifumarate and pharmaceutical compositions containing them.