Patents by Inventor Narender Rao SOMISETTI

Narender Rao SOMISETTI 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).

  • Process for the preparation of Verapamil hydrochloride
    Patent number: 10144703
    Abstract: A process for the preparation of 5-(3,4-dimethoxyphenylethyl) methyl-amino-2-(3,4-dimethoxyphenyl)-2-isopropyl valeronitrile, which is known as Verapamil is described. A process for improving the purity of verapamil and therefore of its hydrochloride represented as the compound of formula I, by efficient removal of the impurities formed, affording a product of purity greater than 99% is described.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: December 4, 2018
    Assignee: PIRAMAL ENTERPRISES LIMITED
    Inventors: Dhileep Kumar Krishnamurthy, Milind Gharpure, Narender Rao Somisetti, Murali Rajappa, Rajshekar Aareddy, Damodhar Kasireddy
  • A PROCESS FOR THE PREPARATION OF VERAPAMIL HYDROCHLORIDE
    Publication number: 20180127354
    Abstract: A process for the preparation of 5-(3,4-dimethoxyphenylethyl) methyl-amino-2-(3,4-dimethoxyphenyl)-2-isopropyl valeronitrile, which is known as Verapamil is described. A process for improving the purity of verapamil and therefore of its hydrochloride represented as the compound of formula I, by efficient removal of the impurities formed, affording a product of purity greater than 99% is described.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 10, 2018
    Applicant: PIRAMAL ENTERPRISES LIMITED
    Inventors: Dhileep Kumar KRISHNAMURTHY, Milind GHARPURE, Narender Rao SOMISETTI, Murali RAJAPPA, Rajshekar AAREDDY, Damodhar KASIREDDY