Patents by Inventor Iris D. Barton

Iris D. Barton 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).

  • Surfactant based brown stock wash aid treatment for papermachine drainage and dry strength agents
    Patent number: 9598819
    Abstract: A method of treating a cellulosic slurry to improve drainage is disclosed; the method comprises adding a surfactant based brown stock wash aid to a cellulosic furnish in an amount of from 0.5 to 1 lbs per ton and adding a synthetic polymer papermachine drainage or strength aid to the furnish in an amount of from 0.1 to 10 lbs per ton, allowing the furnish to drain and forming a paper product.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 21, 2017
    Assignee: Solenis Technologies, L.P.
    Inventor: Iris D. Barton
  • Surfactant Based Brown Stock Wash Aid Treatment For Papermachine Drainage And Dry Strength Agents
    Publication number: 20150129148
    Abstract: A method of treating a cellulosic slurry to improve drainage is disclosed; the method comprises adding a surfactant based brown stock wash aid to a cellulosic furnish in an amount of from 0.5 to 1 lbs per ton and adding a synthetic polymer papermachine drainage or strength aid to the furnish in an amount of from 0.1 to 10 lbs per ton, allowing the furnish to drain and forming a paper product.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Inventor: Iris D. Barton
  • Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer
    Patent number: 5266166
    Abstract: Methods for inhibiting deposition of organic contaminants from pulp in pulp and papermaking systems which comprises treating the pulp and papermaking system with an effective amount of a polyalkylene oxide/vinyl acetate graft copolymer.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: November 30, 1993
    Assignee: Betz PaperChem, Inc.
    Inventors: David D. Dreisbach, Iris D. Barton