Patents Examined by Aiaul Wright
  • Paper sizing compositions
    Patent number: 5192363
    Abstract: A one-shot paper sizing composition is in the form of an aqueous dispersion containing a rosin component, a co-reactant therefor, such as an aluminium chlorohydrate, and an amine or an amine salt of a rosin acid.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: March 9, 1993
    Assignee: EKA Nobel Landskrona AB
    Inventors: William R. Bussell, Nicholas S. Morgan