Patents by Inventor Nicholas S. Morgan

Nicholas S. Morgan 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).

  • Method of sizing and aqueous sizing dispersion
    Patent number: 5510003
    Abstract: The invention relates to a method of sizing paper and similar cellulose products containing precipitated calcium carbonate as a filler. According to the method, an aqueous suspension of pulp is dewatered and dried in the presence of an aqueous dispersion of a rosin-based sizing agent, which comprises a rosin component and a rosin ester component, and an aqueous dispersion of a cellulose-reactive sizing agent. The invention also relates to an aqueous dispersion of sizing agents which comprises a rosin-based sizing agent, which contains a rosin component and a rosin ester component, and a cellulose-reactive sizing agent.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: April 23, 1996
    Assignee: Eka Nobel AB
    Inventors: Anthony R. Colasurdo, Ian R. Hiskens, Nicholas S. Morgan, Karen J. Smith
  • 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