Patents by Inventor Ch. A.P. Rao

Ch. A.P. Rao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • NOVEL PROCESS FOR THE PREPARATION OF LEVOTHYROXINE SODIUM
    Publication number: 20160168076
    Abstract: The present invention provides a novel process for the preparation of highly pure Levothyroxine Sodium, i.e., (S)-2-amino-3-[4-(4-hydroxy-3, 5-diiodophenoxy)-3,5-diiodophenyl] propanoic acid sodium salt via two process intermediates viz 3,5-Diiodo L-Tyrosine copper complex and novel Bis (p-anisyl) iodonium Iodide. The invention also provides levothyroxine pentahydrate free from genotoxic impurities and liothyronine levels below 0.04% wt/wt.
    Type: Application
    Filed: January 30, 2014
    Publication date: June 16, 2016
    Applicant: AZICO BIOPHORE INDIA PRIVATE LIMITED
    Inventors: Ch. A.P. Rao, Sreenath Dasari