Patents by Inventor Pranab Khumar Das

Pranab Khumar Das 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).

  • Method and device for identifying a mycobacterium species responsible for a mycobacterial infection
    Patent number: 6416962
    Abstract: The invention relates to a method for identifying a Mycobacterium species responsible for a mycobacterial infection in human or animal, comprising selecting a suitable mycobacterial species and strain; preparing at least one mycobacterial antigen, respectively antigen preparation; binding the antigen, respectively the antigen preparation to a suitable carrier; causing the binding antigen to react with antibodies from serum of an individual infected with a Mycobacterium species; making visible antigen-antibody reactions for a suitable antibody (sub-)class; and identifying the responsible Mycobacterium species on the basis of the reactions which are made visible. The invention further provides a diagnostic kit which takes the form of a dip-stick on which is arranged a carrier strip with mycobacterial antigens binding thereto, and means for visualizing antigen-antibody reactions occurring on the carrier after contact with the serum for testing.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: July 9, 2002
    Assignee: Kreatech Biotechnology B.V.
    Inventors: Pranab Khumar Das, Remco Maria Van Es, Hendrik Jan Houthoff
  • Method and device for identifying a mycobacterium species responsible for a mycobacterial infection
    Patent number: 5817473
    Abstract: A method for identifying a Mycobacterium species responsible for a mycobacterial infection in human or animal, comprising selecting a suitable mycobacterial species and strain; preparing at least one mycobacterial antigen, respectively antigen preparation; binding the antigen, respectively the antigen preparation to a suitable carrier, causing the binding antigen to react with antibodies from serum of an individual infected with a Mycobacterium species; making visible antigen-antibody reactions for a suitable antibody (sub-)class; and identifying the responsible Mycobacterium on the basis of the reactions which are made visible. The invention further provides a diagnostic kit which takes the form of a dip-stick on which is arranged a carrier strip with mycobacterial antigens binding thereto, and visualizing reagents antigen-antibody reactions occurring on the carrier after contact with the serum for testing.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: October 6, 1998
    Assignee: Kreatech Biotechnology B.V.
    Inventors: Pranab Khumar Das, Remco Maria Van Es, Hendrik Jan Houthoff