Patents by Inventor Balkrishena Kaul

Balkrishena Kaul 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).

  • Simultaneous radio immunoassay of multiple antigens and _assay for cocaine metabolites
    Patent number: 4235864
    Abstract: This invention includes an antigenic conjugate of ecgonine and a carrier which elicits anti-benzoylecgonine (cocaine metabolite) serum useful for the detection of cocaine metabolites in human organs and body fluids by immunoassay. The invention also includes the method of producing the anti-benzoylecgonine serum, the immunoassay method and composition including the anti-benzoylecgonine serum and a labeled benzoylecgonine and a non-labeled benzoylecgonine.The invention also includes a composition comprising a plurality of antigenic conjugates which elicit a multivalent anti-serum capable of complexing a plurality of antigens in a multiple immunoassay detection method. The invention includes the method of producing the multivalent anti-serum and an immunoassay method employing the multivalent anti-serum. The invention further includes a composition comprising the multivalent anti-serum and a plurality of labeled antigens and non-labeled antigens.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: November 25, 1980
    Assignee: Research Corporation
    Inventors: Balkrishena Kaul, Bernard Davidow, Stephen J. Millian
  • Simultaneous immunoassay of multiple antigens and assay for cocaine metabolites
    Patent number: 4207307
    Abstract: This invention includes an antigenic conjugate of ecgonine and a carrier which elicits anti-benzoylecgonine (cocaine metabolite) serum useful for the detection of cocaine metabolites in human organs and body fluids by immunoassay. The invention also includes the method of producing the anti-benzoylecgonine serum, the immunoassay method and composition including the anti-benzoylecgonine serum and a labeled benzoylecgonine and a non-labeled benzoylecgonine.The invention also includes a composition comprising a plurality of antigenic conjugates which elicit a multivalent anti-serum capable of complexing a plurality of antigens in a multiple immunoassay detection method. The invention includes the method of producing the multivalent anti-serum and an immunoassay method employing the multivalent anti-serum. The invention further includes a composition comprising the multivalent anti-serum and a plurality of labeled antigens and non-labeled antigens.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: June 10, 1980
    Assignee: Research Corporation
    Inventors: Balkrishena Kaul, Bernard Davidow, Stephen J. Millian