Patents by Inventor Howard Willner

Howard Willner 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).

  • High density lipoprotein cholesterol assay
    Patent number: 4188188
    Abstract: A reagent composition useful in assays for high density lipoprotein (HDL) cholesterol comprises heparin and a salt of a divalent metal cation such as MnCl.sub.2 dispersed in an inert filler comprising a polysaccharide, a terminal interlocking linear glucose polymer and a vinylpyrrolidone. The cholesterol containing serum sample acts as the milieu of the reaction as well as the solvent for the reagent composition itself.
    Type: Grant
    Filed: September 27, 1978
    Date of Patent: February 12, 1980
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: Howard Willner, Robert J. Kapteyn
  • Method for the analysis of thyroid hormones
    Patent number: 4086059
    Abstract: Method for competitive binding in diagnostic clinical testing for thyroid function in which blood serum is sufficiently acidified to inactivate binding of thyroid hormone to serum proteins. The serum test solution is then mixed directly with a buffered competitive binding protein solution without first separating inactivated endogenous serum proteins.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: April 25, 1978
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: Howard Willner, Vito J. Mangiardi