Patents by Inventor Cynthia D. Walton

Cynthia D. Walton 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).

  • Resins acting as wet strength agents and creping aids and processes for preparing and using the same
    Publication number: 20030114631
    Abstract: A reaction product of a polymer containing at least one cross-linkable functional group, a crosslinking agent, and a softener, and processes for preparing and using the same. Cellulosic products comprising the reaction product and processes for preparing the same.
    Type: Application
    Filed: March 1, 2002
    Publication date: June 19, 2003
    Inventors: Cynthia D. Walton, Joseph F. Warchol
  • Creping adhesives containing oxazoline polymers and methods of use thereof
    Patent number: 5980690
    Abstract: A creping adhesive containing about 1% to about 25% by weight solids comprising a multipolymer blend of polyoxazoline, polyethyleneimine, and modified polyethyleneimine, which imparts softness and resistance to bleaching, to a cellulosic web, and methods of using same are provided.
    Type: Grant
    Filed: August 24, 1998
    Date of Patent: November 9, 1999
    Assignee: Hercules Incorporated
    Inventors: Joseph F. Warchol, Cynthia D. Walton
  • Methods for manufacturing paper using creping adhesives containing oxazoline polymers
    Patent number: 5858171
    Abstract: A process for creping paper using a creping adhesive is described. The creping adhesive concentrate contains about 1 percent to about 25 percent by weight solids, and the solids contain oxazoline polymer and a polyamide resin polymer. The concentrate is diluted to about 0.1 to about 5 percent by weight solids and the diluted creping adhesive is applied to the surface of a drying cylinder. The paper is subsequently creped from the drying cylinder.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: January 12, 1999
    Assignee: Hercules Incorporated
    Inventors: Joseph F. Warchol, Cynthia D. Walton
  • Creping adhesives containing oxazoline polymers and methods of use thereof
    Patent number: 5837768
    Abstract: A creping adhesive containing about 1% to about 25% by weight solids comprising a multipolymer blend of polyoxazoline, polyethyleneimine, and modified polyethyleneimine, which imparts softness and resistance to bleaching, to a cellulosic web, and methods of using same are provided.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: November 17, 1998
    Assignee: Hercules Incorporated
    Inventors: Joseph F. Warchol, Cynthia D. Walton
  • Creping adhesives containing oxazoline polymers
    Patent number: 5633309
    Abstract: A creping adhesive containing about 1% to about 25% polyoxazoline by weight, which imparts softness and resistance to bleaching, to a cellulosic web, and methods of using same are provided.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: May 27, 1997
    Assignee: Houghton International, Inc.
    Inventors: Joseph F. Warchol, Cynthia D. Walton-Bongers
  • Creping adhesive containing oxazoline polymers
    Patent number: 5602209
    Abstract: A creping adhesive containing about 1% to about 25% polyoxazoline by weight, which imparts softness and resistance to bleaching, to a cellulosic web, and methods of using same are provided.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: February 11, 1997
    Assignee: Houghton International, Inc.
    Inventors: Joseph E. Warchol, Cynthia D. Walton-Bongers