Patents by Inventor Natco Pharma Limited

Natco Pharma Limited 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 POLYMORPHS OF ERLOTINIB HYDROCHLORIDE AND METHOD OF PREPARATION
    Publication number: 20130131341
    Abstract: The present invention relates to three novel crystalline forms of Erlotinib hydrochloride and method of preparation thereof. Erlotinib hydrochloride is N-(3-ethynylphenyl)-6,7-bis(2-methoxy ethoxy)-4-quinazolinamine hydrochloride of formula-(I). The present invention provides stable novel crystalline forms of Erlotinib hydrochloride designated as Form-M, Form-N and Form-P, and processes for the preparation of the same. Erlotinib hydrochloride can be used as medicament for the treatment of hyperproliferative disorders, such as cancers, in humans.
    Type: Application
    Filed: November 19, 2012
    Publication date: May 23, 2013
    Applicant: NATCO PHARMA LIMITED
    Inventor: Natco Pharma Limited