Patents by Inventor Dwane Scott Hutto

Dwane Scott Hutto 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).

  • PROCESS OF BLEACHING A WOOD PULP
    Publication number: 20100224336
    Abstract: A process of bleaching a wood pulp includes contacting the pulp with ozone to delignify the pulp in an ozone bleaching stage. A phosphonate chelant is added to the pulp so that the chelant is present with the pulp during the bleaching stage. The process excludes washing of the pulp to remove chelant between the chelant addition and the bleaching stage.
    Type: Application
    Filed: April 28, 2010
    Publication date: September 9, 2010
    Applicant: UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES
    Inventors: Dwane Scott Hutto, Haixuan Zou