Patents by Inventor Pankaj Khanna

Pankaj Khanna 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).

  • plant extract and method of preparation thereof
    Patent number: 8481087
    Abstract: The present invention provides Withania somnifera plant extract and composition comprising the extract useful for the treatment of neurodegenerative disease and/or disorders such as Alzheimers disease (AD). The present invention further provides a process for preparation of the extract.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: July 9, 2013
    Assignees: National Brain Research Centre, Indian Institute of Science, Molecular Biophysics Unit, University of Delhi, Department of Chemistry
    Inventors: Vijayalaksmi Ravindranath, Alok Gupta, Neha Sehgal, Subhash Chand Jain, Suman Thakur, Pankaj Khanna
  • WITHANIA SOMNIFERA PLANT EXTRACT AND METHOD OF PREPARATION THEREOF
    Publication number: 20110229591
    Abstract: The present invention provides Withania somnifera plant extract and composition comprising the extract useful for the treatment of neurodegenerative disease and/or disorders such as Alzheimers disease (AD). The present invention further provides a process for preparation of the extract.
    Type: Application
    Filed: July 29, 2009
    Publication date: September 22, 2011
    Inventors: Vijayalaksmi Ravindranath, Alok Gupta, Neha Sehgal, Subhash Chand Jain, Suman Thakur, Pankaj Khanna
  • Dispersion optimized fiber having higher spot area
    Patent number: 7209620
    Abstract: A dispersion optimized fiber having higher spot area comprising a center core region, a cladding region, a ring core region and an outer glass region is provided, wherein the cladding is provided onto the outer periphery of the center core, and the ring core is provided onto the outer periphery of the cladding, and the outer glass region surrounds the ring core region, and the center core and the ring core have refractive indices higher than the outer glass region and the cladding region has lower refractive index than the outer glass region, and the refractive indices are constrained by the equation n1>n3>n4>n2.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: April 24, 2007
    Assignee: Sterlite Optical Technologies Limited
    Inventors: Shashikant Prasad, Sthitadhi Das, Nageswaran Senthil Kumar, Sanjeet Bhatia, Salaj Sinha, Pankaj Khanna
  • Dispersion optimized fiber having higher spot area
    Publication number: 20050058418
    Abstract: A dispersion optimized fiber having higher spot area comprising a center core region, a cladding region, a ring core region and an outer glass region is provided, wherein the cladding is provided onto the outer periphery of the center core, and the ring core is provided onto the outer periphery of the cladding, and the outer glass region surrounds the ring core region, and the center core and the ring core have refractive indices higher than the outer glass region and the cladding region has lower refractive index than the outer glass region, and the refractive indices are constrained by the equation n1>n3>n4>n2.
    Type: Application
    Filed: January 22, 2004
    Publication date: March 17, 2005
    Inventors: Shashikant Prasad, Sthitadhi Das, Nageswaran Kumar, Sanjeet Bhatia, Salaj Sinha, Pankaj Khanna