Patents by Inventor Stephen Peats

Stephen Peats 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).

  • Production of paper and paper products
    Patent number: 5194120
    Abstract: Processes for making paper are disclosed wherein a cationic polymer and an amorphous metal silicate material are added to a paper furnish prior to introduction of the furnish to the headbox of a paper making apparatus.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: March 16, 1993
    Assignee: Delta Chemicals
    Inventors: Stephen Peats, Harris J. Bixler
  • Paper making
    Patent number: 5178730
    Abstract: A process for improving art chemistry in papermaking is accomplished by the addition of a cationic polymer and natural hectorite to the furnish prior to headbox. The cationic polymer has an intrinsic viscosity in the range of 5 to 25 dl/g and a charge density of 0.78 to 5 equivalent cationic nitrogen per Kg. The natural hectorite is added in an amount of 0.5 to 6 lbs/ton dry base sheet and the weight ratio of cationic polymer to natural hectorite being 0.5:1 to 10:1.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: January 12, 1993
    Assignee: Delta Chemicals
    Inventors: Harris J. Bixler, Stephen Peats
  • Paper making using hectorite and cationic starch
    Patent number: 5071512
    Abstract: Addition of hectorite and a cationic starch to the furnish in a paper making operation improves the retention of filler material and the quality of the paper.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: December 10, 1991
    Assignee: Delta Chemicals, Inc.
    Inventors: Harris J. Bixler, Stephen Peats