Patents by Inventor Naresh Raju MAKARAJU

Naresh Raju MAKARAJU 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 Rosuvastatin calcium and preparation of its novel intermediates
    Patent number: 9518028
    Abstract: The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name “Rosuvastatin Calcium”. The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: December 13, 2016
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Udaya Bhaskara Rao Siripalli, Veera Reddy Arava, Rajendiran Chinnapillai, Anji Reddy Middekadi, Naresh Raju Makaraju, Venkateswarlu Jasti
  • PROCESS FOR THE PREPARATION OF ROSUVASTATIN CALCIUM AND PREPARATION OF ITS NOVEL INTERMEDIATES
    Publication number: 20160304468
    Abstract: The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name “Rosuvastatin Calcium”. The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
    Type: Application
    Filed: November 18, 2013
    Publication date: October 20, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Udaya Bhaskara Rao SIRIPALLI, Veera Reddy ARAVA, Rajendiran CHINNAPILLAI, Anji Reddy MIDDEKADI, Naresh Raju MAKARAJU, Venkateswarlu JASTI