Patents Assigned to Callaway Corp.
  • Method for imparting strength to paper
    Patent number: 5674362
    Abstract: A method for imparting strength to paper by adding to a pulp slurry during a paper-making process a mixed resin solution containing (i) an aminopolyamide-epichlorohydrin resin and (ii) a glyoxylated acrylamide-dimethyl diallyl ammonium chloride resin.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: October 7, 1997
    Assignee: Callaway Corp.
    Inventors: Richard T. Underwood, Robert J. Jasion, Stephen P. Hoke, Gavin G. Spence