Patents by Inventor Todd J. Christianson

Todd J. Christianson 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).

  • Coatable thermally curable binder presursor solutions modified with a reactive diluent, abrasive articles incorporating same, and methods of making said abrasive articles
    Patent number: 5178646
    Abstract: A coatable, thermally curable binder precursor solution, the solution including a 30-95% solids solution of a thermally curable resin and a reactive diluent. The reactive diluent may be selected form urea derivatives, alkylsubstituted 2-aminoalcohols, .beta.-ketoalkylamides, nitro alkanes, and poly(oxyalkylene) compounds, and has at least one functional group independently reactive with methylol groups of the resin and with aldehydes. The thermally curable resin may include up to 50% (wt of total resin) of an ethylenically unsaturated monomer. Method of making abrasive articles are also presented.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: January 12, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Loren L. Barber, Jr., Todd J. Christianson, Jay B. Preston