Patents by Inventor Philip Reed Campbell

Philip Reed Campbell 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).

  • Softwood kraft fiber having an improved ?-cellulose content and its use in the production of chemical cellulose products
    Patent number: 10151064
    Abstract: A bleached softwood kraft pulp fiber with high ?-cellulose content and a low CED viscosity is provided, A surfactant treated fiber useful in the production of chemical derivatives is also described. Methods for making the kraft pulp fiber and products made from it are also described.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: December 11, 2018
    Assignee: GP Cellulose GmbH
    Inventors: Arthur J. Nonni, Charles E. Courchene, Philip Reed Campbell, Steven Chad Dowdle, Joel Mark Engle, Blair Roderick Carter, Christopher M. Slone
  • Use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products
    Patent number: 9617686
    Abstract: A surfactant treated bleached softwood kraft pulp fiber, useful as a starting material In the production of cellulose derivatives including cellulose ether, cellulose esters and viscose, is disclosed. Methods for making the kraft pulp fiber and products made from it are also described.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: April 11, 2017
    Assignee: GP Cellulose GmbH
    Inventors: Arthur James Nonni, Charles Edward Courchene, Christopher Michael Slone, Philip Reed Campbell, Steven Chad Dowdle, Joel Mark Engle
  • Softwood Kraft Fiber Having an Improved A-Cellulose Content and its Use in the Production of Chemical Cellulose Products
    Publication number: 20160002849
    Abstract: A bleached softwood kraft pulp fiber with high ?-cellulose content and a low CED viscosity is provided, A surfactant treated fiber useful in the production of chemical derivatives is also described. Methods for making the kraft pulp fiber and products made from it are also described.
    Type: Application
    Filed: February 6, 2014
    Publication date: January 7, 2016
    Inventors: Arthur J. NONNI, Charles E. COURCHENE, Philip Reed CAMPBELL, Steven Chad DOWDLE, Joel Mark ENGLE, Blair Roderick CARTER, Christopher M. SLONE
  • THE USE OF SURFACTANT TO TREAT PULP AND IMPROVE THE INCORPORATION OF KRAFT PULP INTO FIBER FOR THE PRODUCTION OF VISCOSE AND OTHER SECONDARY FIBER PRODUCTS
    Publication number: 20150126728
    Abstract: A surfactant treated bleached softwood kraft pulp fiber, useful as a starting material In the production of cellulose derivatives including cellulose ether, cellulose esters and viscose, is disclosed. Methods for making the kraft pulp fiber and products made from it are also described.
    Type: Application
    Filed: April 5, 2013
    Publication date: May 7, 2015
    Inventors: Arthur James Nonni, Charles Edward Courchene, Christopher Michael Slone, Philip Reed Campbell, Steven Chad Dowdle, Joel Mark Engle