Patents by Inventor Sonal R. Doshi

Sonal R. Doshi 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).

  • Apparatus for red blood cell separation
    Patent number: 5766552
    Abstract: Red blood cells are removed from whole blood or a fraction thereof by agglutinating whole blood with a mixture of a free agglutinating agent and nucleating particles having agglutinating agent intimately associated therewith to form clusters of red blood cells. High molecular weight polyethylene glycol may be added further to enhance agglutination. The clusters of red blood cells are much larger than the size of individual red blood cells, so that the clusters can easily be filtered through a porous medium. The plasma, which is substantially free of red blood cells, is further passed through a filter that optionally contains an additional agglutinating agent. Flow-delay additives may be provided to retain the fluid sample in contact with a reagent for a predetermined time.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: June 16, 1998
    Assignee: ActiMed Laboratories, Inc.
    Inventors: Sonal R. Doshi, John K. McGeehan, Wai Tak Law
  • Apparatus for red blood cell separation
    Patent number: 5660798
    Abstract: Red blood cells are removed from whole blood or a fraction thereof by contacting whole blood with a combination of an agglutinating agent and nucleating particles to form clusters of red blood cells. High molecular weight polyethylene glycol may be added further to enhance agglutination. The clusters of red blood cells are much larger than the size of individual red blood cells, so that the clusters can easily be filtered through a porous medium. The plasma which is substantially free of red blood cells is further passed through a filter that optionally contains an additional agglutinating agent. Flow-delay means may be provided to return the fluid sample in contact with a regard for a predetermined time.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 26, 1997
    Assignee: ActiMed Laboratories, Inc.
    Inventors: Sonal R. Doshi, John K. McGeehan, Wai Tak Law
  • Method and apparatus for red blood cell separation
    Patent number: 5652148
    Abstract: Red blood cells are removed from whole blood or a fraction thereof by contacting whole blood with a combination of an agglutinating agent and nucleating particles to form clusters of red blood cells. High molecular weight polyethylene glycol may be added further to enhance agglutination. The clusters of red blood cells are much larger than the size of individual red blood cells, so that the clusters can easily be filtered through a porous medium. The plasma which is substantially free of red blood cells is further passed through a filter that optionally contains an additional agglutinating agent.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: July 29, 1997
    Assignee: Actimed Laboratories, Inc.
    Inventors: Sonal R. Doshi, John K. McGeehan, Wai Tak Law