With Nonproteinaceous Organic Compound Containing Oxygen Except Wax Patents (Class 106/150.3)
  • One-pass method for preparing paper size emulsions
    Patent number: 6296696
    Abstract: A one-pass, non-tolerance dependent method for preparing paper size emulsions comprising an aqueous emulsion of a substituted cyclic dicarboxylic anhydride, a colloidal stabilizer, and a surfactant wherein the emulsion after one-pass through a dispersion system has an average particle size of less than 2 microns.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: October 2, 2001
    Assignee: National Starch & Chemical Investment Holding Corporation
    Inventors: Michel D. Létourneau, Walter Maliczyszyn