Patents by Inventor Curtis L. Kirkemo

Curtis L. Kirkemo 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).

  • Aminomethylfluorescein derivatives
    Patent number: 4614823
    Abstract: This disclosure relates to a method and reagents for determining ligands in biological fluids such as serum, plasma, spinal fluid, amnionic fluid and urine. This disclosure also relates to a novel class of tracer compounds employed as reagents in fluorescence polarization immunoassays.
    Type: Grant
    Filed: July 11, 1984
    Date of Patent: September 30, 1986
    Assignee: Abbott Laboratories
    Inventors: Curtis L. Kirkemo, Mohammed T. Shipchandler
  • Fluorescent polarization assay for ligands using aminomethylfluorescein derivatives as tracers
    Patent number: 4510251
    Abstract: This disclosure relates to a method for determining ligands in biological fluids such as serum, plasma, spinal fluid, amnionic fluid and urine, wherein a novel class of aminomethylfluorescein derivative tracer compounds are employed as reagents in fluorescence polarization immunoassays.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: April 9, 1985
    Assignee: Abbott Laboratories
    Inventors: Curtis L. Kirkemo, Mohammed T. Shipchandler
  • Substituted carboxyfluoresceins
    Patent number: 4476229
    Abstract: This disclosure relates to a method and reagents for determining ligands in biological fluids such as serum, plasma, spinal fluid, amnionic fluid and urine. This disclosure also relates to a novel class of tracer compounds employed as reagents in fluorescence polarization immunoassays.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: October 9, 1984
    Assignee: Abbott Laboratories
    Inventors: James R. Fino, Curtis L. Kirkemo
  • Substituted theophylline salts
    Patent number: 4451652
    Abstract: The present disclosure relates to a novel class of substituted theophylline salts useful as reagents in an irreversible enzyme inhibitor immunoassay for theophylline. The use of such reagents increases the sensitivity of the theophylline assay.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: May 29, 1984
    Assignee: Abbott Laboratories
    Inventors: Charles A. Flentge, Curtis L. Kirkemo