Patents by Inventor Galla Candra Rao

Galla Candra 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).

  • Increased separation efficiency via controlled aggregation of magnetic nanoparticles
    Patent number: 6623982
    Abstract: Compositions and methods are disclosed which enhance the microscopic observation and analysis of biological entities such as cells, bacteria and viruses by eliminating interfering magnetic clusters created by naturally occurring aggregators of colloidal magnetic particles. Additionally means for significantly enhancing the magnetic isolation of low antigen density target cells from biological samples are disclosed.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: September 23, 2003
    Assignee: Immunivest Corporation
    Inventors: Paul A. Liberti, Galla Candra Rao, Leon W. M. M. Terstappen
  • Increased separation efficiency via controlled aggregation of magnetic nanoparticles
    Patent number: 6620627
    Abstract: Compositions and methods are disclosed which enhance the microscopic observation and analysis of biological entities such as cells, bacteria and viruses by eliminating interfering magnetic clusters created by naturally occurring aggregators of colloidal magnetic particles. Additionally means for significantly enhancing the magnetic isolation of low antigen density target cells from biological samples are disclosed.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: September 16, 2003
    Assignee: Immunivest Corporation
    Inventors: Paul A. Liberti, Galla Candra Rao, Leon W. M. M. Terstappen