Patents by Inventor Mark A. Anawis

Mark A. Anawis 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).

  • Binding of allergens to a solid phase
    Patent number: 5091318
    Abstract: A method for producing a binding assay device composed of antigens on a cellulose nitrate, cellulose nitrate/acetate or similar solid phase is described. The method involves applying to a solid phase a small amount of an allergen composition, or a pretreated allergen composition, containing a certain concentration of allergen and drying the solution. The device is used by contacting a patient test sample to the immobilized allergen and determining whether or not the test sample contains IgE antibodies for the allergen.
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: February 25, 1992
    Assignee: Abbott Laboratories
    Inventors: Mark A. Anawis, Roger E. Lindberg
  • Stabilized enzyme conjugate composition
    Patent number: 4891311
    Abstract: An enzyme conjugate composition comprising an enzyme conjugate, a calcium salt and a polyethylene glycol is disclosed. The enzyme conjugate composition is effectively stabilized by the presence of the calcium salt and the polyethylene glycol.
    Type: Grant
    Filed: July 26, 1988
    Date of Patent: January 2, 1990
    Assignee: Abbott Laboratories
    Inventors: Mark A. Anawis, Roger E. Lindberg
  • Stabilized horseradish peroxidase conjugate composition
    Patent number: 4782023
    Abstract: An enzyme conjugate composition comprising an enzyme conjugate, a calcium salt and a polyethylene glycol is disclosed. The enzyme conjugate composition is effectively stabilized by the presence of the calcium salt and the polyethylene glycol.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: November 1, 1988
    Assignee: Abbott Laboratories
    Inventors: Mark A. Anawis, Roger E. Lindberg