Patents by Inventor Harold V. Green

Harold V. Green 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).

  • Lumen-loaded paper pulp, its production and use
    Patent number: 4510020
    Abstract: Paper of improved properties is produced from pulp in which filler is selectively loaded within the fiber lumens by agitating a suspension of pulp and filler until the fiber lumens become loaded with filler, separating the residual suspended filler from the loaded fibers and vigorously washing the pulp until substantially all of the filler on the external surfaces of the fibers is removed.
    Type: Grant
    Filed: June 12, 1980
    Date of Patent: April 9, 1985
    Assignee: Pulp and Paper Research Institute of Canada
    Inventors: Harold V. Green, Thomas J. Fox, Anthony M. Scallan