Patents by Inventor Robert D. Moreland

Robert D. Moreland 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).

  • Detackification of adhesive materials contained in secondary fiber using polyvinyl alcohol
    Patent number: 4956051
    Abstract: The present invention involves the use of a polymeric material comprised of polyvinyl alcohol moieties to control the depositing tendency of adhesive materials contained in waste paper and paper products which are being utilized to produce finished paper products. The polyvinyl alcohol is added to the water sprays or showers used on the felts, wires, and press rolls.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: September 11, 1990
    Assignee: Betz PaperChem, Inc.
    Inventor: Robert D. Moreland
  • Detackification of adhesive materials contained in secondary fiber with polyvinyl alcohol
    Patent number: 4886575
    Abstract: The invention is directed to the use of polyvinyl alcohol to control the problem of "stickies" in waste paper processing.
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: December 12, 1989
    Assignee: Betz Laboratories, Inc.
    Inventor: Robert D. Moreland
  • Detackification of adhesive materials contained in secondary fiber
    Patent number: 4781794
    Abstract: The present invention involves the use of a methyl cellulose derivative to control the depositing tendency of adhesive materials contained in waste paper and paper products which are being utilized to produce finished paper products.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: November 1, 1988
    Assignee: Betz Laboratories, Inc.
    Inventor: Robert D. Moreland
  • Detackification of adhesive materials contained in secondary fiber
    Patent number: 4698133
    Abstract: The present invention involves the use of a methyl cellulose derivative to control the depositing tendency of adhesive materials contained in waste paper and paper products which are being utilized to produce finished paper products.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: October 6, 1987
    Assignee: Betz Laboratories, Inc.
    Inventor: Robert D. Moreland