Patents by Inventor Bolneni Nageswara Rao

Bolneni Nageswara Rao 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).

  • Patent number: 8889896
    Abstract: A novel process is described for the preparation of pharmaceutically useful compounds such as 1-{4-[2-(azepan-1-yl)ethoxy]benzyl}-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid commonly known as bazedoxifene acetate of the formula-1 using 2-(4-{[5-(benzyloxy)-2-[4-(benzyloxy)phenyl]-3-methyl-1H-indol-1-yl]methyl}phenoxy)ethyl-4-methylbenzenzene-1-sulfonate (formula 2a).
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: November 18, 2014
    Assignee: Divi's Laboratories, Ltd.
    Inventors: Murali Krishna Prasad Divi, Gundu Rao Padakandla, Bolneni Nageswara Rao, Dandu Venkata Suresh
  • Publication number: 20130289296
    Abstract: A novel process is described for the preparation of pharmaceutically useful compounds such as 1-{4-[2-(azepan-1-yl)ethoxy]benzyl}-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid commonly known as bazedoxifene acetate of the formula-1 using 2-(4-{[5-(benzyloxy)-2-[4-(benzyloxy)phenyl]-3-methyl-1H-indol-1-yl]methyl}phenoxy)ethyl-4-methylbenzenzene-1-sulfonate (formula 2a)
    Type: Application
    Filed: June 3, 2013
    Publication date: October 31, 2013
    Inventors: Murali Krishna Prasad Divi, Gundu Rao Padakandla, Bolneni Nageswara Rao, Dandu Venkata Suresh
  • Patent number: 8569483
    Abstract: A novel process is described for the preparation of pharmaceutically useful compounds such as 1-{4-[2-(azepan-1-yl)ethoxy]benzyl}-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid commonly known as bazedoxifene acetate of the formula-1 using 2-(4-{[5-(benzyloxy)-2-[4-(benzyloxy)phenyl]-3-methyl-1H-indol-1-yl]methyl}phenoxy)ethyl-4-methylbenzenzene-1-sulfonate (formula 2a)
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: October 29, 2013
    Assignee: Divi's Laboratories, Ltd.
    Inventors: Murali Krishna Prasad Divi, Gundu Rao Padakandla, Bolneni Nageswara Rao, Dandu Venkata Suresh
  • Patent number: 8455692
    Abstract: Resolution of the title compound to its active isomer (R)-1-(3-hydroxyphenyl)-2-methylamino ethanol with (R)-naproxen as a resolving agent.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: June 4, 2013
    Assignee: Divi's Laboratories, Ltd.
    Inventors: Murali Krishna Prasad Divi, Padakandla Gundu Rao, Bolneni Nageswara Rao, Medepudi Ramesh Babu, Mutyala Krishnaji Rao, Allupati Padmanav Patro
  • Publication number: 20120330008
    Abstract: A novel process is described for the preparation of pharmaceutically useful compounds such as 1-{4-[2-(azepan-1-yl)ethoxy]benzyl}-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid commonly known as bazedoxifene acetate of the formula-1 using 2-(4-{[5-(benzyloxy)-2-[4-(benzyloxy)phenyl]-3-methyl-1H-indol-1-yl]methyl}phenoxy)ethyl-4-methylbenzenzene-1-sulfonate (formula 2a)
    Type: Application
    Filed: September 8, 2011
    Publication date: December 27, 2012
    Applicant: DIVI'S LABORATORIES LIMITED
    Inventors: Murali Krishna Prasad Divi, Gundu Rao Padakandla, Bolneni Nageswara Rao, Dandu Venkata Suresh
  • Publication number: 20120108848
    Abstract: Resolution of the title compound to its active isomer (R)-1-(3-hydroxyphenyl)-2-methylamino ethanol with (R)-naproxen as a resolving agent.
    Type: Application
    Filed: December 22, 2010
    Publication date: May 3, 2012
    Applicant: Divi's Laboratories Limited
    Inventors: Murali Krishna Prasad Divi, Padakandla Gundu Rao, Bolneni Nageswara Rao, Medepudi Ramesh Babu, Mutyala Krishnaji Rao, Allupati Padmanav Patro