Patents by Inventor Alda Vidrich

Alda Vidrich 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).

  • Methods for selectively detecting perinuclear anti-neutrophil cytoplasmic antibody of ulcerative colitis, primary sclerosing cholangitis, or type 1 autoimmune hepatitis
    Patent number: 5830675
    Abstract: The invention is directed to methods and kits for detecting and measuring the presence or absence of perinuclear anti-neutrophil cytoplasmic antibody of ulcerative colitis, primary sclerosing cholangitis or type 1 autoimmune hepatitis. The methods and kits of the present invention provide safe and reliable means for diagnosing ulcerative colitis, primary sclerosing cholangitis, and type 1 autoimmune hepatitis. The antigens reactive with perinuclear anti-neutrophil cytoplasmic autoantibody of ulcerative colitis and primary sclerosing cholangitis are also provided.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 3, 1998
    Assignee: Cedars-Sinai Medical Center
    Inventors: Stephan R. Targan, Alda Vidrich
  • Methods for reducing background binding in antibody preparations
    Patent number: 5759864
    Abstract: In accordance with the present invention, there are provided novel methods and reagents for reducing background binding in antibody preparations having an unwanted affinity for intracellular protein(s). The invention method comprises treating an antibody preparation with permeabilized cells, then separating the antibody preparation from the permeabilized cells. The reagents are useful for reducing the level of background binding in antibody preparations. Also provided are antibody preparations that are substantially free of background binding.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: June 2, 1998
    Assignee: Cedars Sinai Medical Center
    Inventors: Susan Cushing, Alda Vidrich
  • Methods for selectively detecting perinuclear anti-neutrophil cytoplasmic antibody of ulcerative colitis or primary sclerosing cholangitis
    Patent number: 5750355
    Abstract: The invention is directed to methods and kits for detecting and measuring the presence or absence of perinuclear anti-neutrophil cytoplasmic autoantibody of ulcerative colitis or primary sclerosing cholangitis. The methods and kits of the present invention provide safe and reliable means for diagnosing ulcerative colitis and primary sclerosing cholangitis. The antigens reactive with perinuclear anti-neutrophil cytoplasmic autoantibody of ulcerative colitis and primary sclerosing cholangitis are also provided.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: May 12, 1998
    Assignee: Cedars-Sinai Medical Center
    Inventors: Stephan R. Targan, Alda Vidrich