Patents by Inventor William E. Barnett

William E. Barnett 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).

  • Anticoagulant substance
    Patent number: 4438261
    Abstract: Partially depolymerized heparin products having particular analyzable reducing end groups, a process for their preparation and their use as anticoagulants and antithrombotics.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: March 20, 1984
    Assignee: Riker Laboratories, Inc.
    Inventor: William E. Barnett
  • Diagnostic radio-labeled polysaccharide derivatives
    Patent number: 4385046
    Abstract: A novel class of chelated radio-labeled polysaccharide derivatives are useful for diagnosing formed, and forming, blood clots in a vascular system. Novel intermediate metal-binding compounds comprise a water-soluble polysaccharide moiety having an average of at least 0.25 anionic groups per monosaccharide unit, and at least one chelating group derived from amino acids, substituted cyclic acid anhydrides, or carbon disulfide. The intermediate compound is then reacted with a radioactive tracer metal compound.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: May 24, 1983
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Dean S. Milbrath, Richard H. Ferber, William E. Barnett
  • Anticoagulant substance
    Patent number: 4351938
    Abstract: Partially depolymerized heparin products having particular analyzable reducing end groups, a process for their preparation and their use as anticoagulants and antithrombotics.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: September 28, 1982
    Assignee: Riker Laboratories, Inc.
    Inventor: William E. Barnett