Patents by Inventor Narasimha Rao Ketavarapu

Narasimha Rao Ketavarapu 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).

  • Efficient process to induce enantioselectivity in procarbonyl compounds
    Patent number: 9073817
    Abstract: The present invention provides an efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention also provides a method for producing chiral organometallic complexes using a chiral additive, achiral additive, a base and a metal salt.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: July 7, 2015
    Assignee: Laurus Labs Private Limited
    Inventors: Ravindra Babu Bollu, Narasimha Rao Ketavarapu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • EFFICIENT PROCESS TO INDUCE ENANTIOSELECTIVITY IN PROCARBONYL COMPOUNDS
    Publication number: 20120264933
    Abstract: The present invention provides an efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention also provides a method for producing chiral organometallic complexes using a chiral additive, achiral additive, a base and a metal salt.
    Type: Application
    Filed: June 22, 2012
    Publication date: October 18, 2012
    Applicant: Laurus Labs Private Limited
    Inventors: Ravindra Babu BOLLU, Narasimha Rao Ketavarapu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • PROCESS FOR THE PREPARATION OF MONTELUKAST AND ITS SALTS THEREOF
    Publication number: 20110092708
    Abstract: The present invention relates to the alkyl amine salts of Montelukast and methods for their preparation and conversion of Montelukast amine salts to Montelukast or Montelukast alkali/alkaline salt.
    Type: Application
    Filed: July 31, 2007
    Publication date: April 21, 2011
    Inventors: Seeta Ramanjaneyulu Gorantla, Mohan Bandari, Venkata Sunil Kumar Indukuri, Srinivas Simhadri, Narasimha Rao Ketavarapu, Venkata Krishna Kishore Jammulaveera, Yaseen Mohammed