Patents by Inventor Hari Krishna Mudduluru

Hari Krishna Mudduluru 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 preparation of 2,3-dihydroxy benzonitrile
    Patent number: 9567292
    Abstract: The present invention relates to one pot process for the preparation of 2,3-dihydroxy benzonitrile from 2,3-dialkoxy benzoic acid without prior isolation of the intermediates. Further the invention relates to the preparation of 2,3-dihydroxy benzonitrile by dealkylation of 2,3-dialkoxy benzonitrile using suitable aluminum salt-amine complex.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: February 14, 2017
    Assignee: Laurus Labs Private Limited
    Inventors: Hari Krishna Mudduluru, Shankar Madhavaram
  • PROCESS FOR THE PREPARATION OF VILANTEROL AND INTERMEDIATES THEREOF
    Publication number: 20150239862
    Abstract: An improved process for the preparation of vilanterol and pharmaceutically acceptable salts thereof is disclosed. More specifically the improved process for preparing intermediates for the preparation of vilanterol is disclosed.
    Type: Application
    Filed: September 13, 2013
    Publication date: August 27, 2015
    Inventors: Venkata Lakshmi Narasimha Rao Dammalapati, Hari Krishna Mudduluru, Ravindra Aduri
  • PROCESS FOR PREPARATION OF 2,3-DIHYDROXY BENZONITRILE
    Publication number: 20150175532
    Abstract: The present invention relates to one pot process for the preparation of 2,3-dihydroxy benzonitrile from 2,3-dialkoxy benzoic acid without prior isolation of the intermediates. Further the invention relates to the preparation of 2,3-dihydroxy benzonitrile by dealkylation of 2,3-dialkoxy benzonitrile using suitable aluminum salt-amine complex.
    Type: Application
    Filed: July 18, 2013
    Publication date: June 25, 2015
    Applicant: Laurus Labs Private Limited
    Inventors: Hari Krishna Mudduluru, Shankar Madhavaram