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:
May. 21, 2013
Filed:
Sep. 10, 2008
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Rajendra Narayanrao Kankan, Maharashtra, IN;
Maruti Ghagare, Maharashtra, IN;
Sandip Chikhalikar, Mumbai, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Rajendra Narayanrao Kankan, Maharashtra, IN;
Maruti Ghagare, Maharashtra, IN;
Sandip Chikhalikar, Mumbai, IN;
Cipla Limited, Mumbai, IN;
Abstract
There is provided a process for preparing sorafenib or a salt thereof comprising the use of a compound of formula (A) wherein R' is selected from the group consisting of hydrogen, —C(O)OA, —C(O)CX, —C(O)NH, —C(O)—NHOH or There is also provided intermediate compounds of general formula (A), N-methyl-4-(4-ureidophenoxy)picolinamide, 4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenylcarbamate derivative and N-methyl-4-(4-(2,2,2-trihaloacetamido)phenoxy)picolinamide, processes for their preparation and their use in the preparation of sorafenib.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile