Patents by Inventor Lisa M. Kirby

Lisa M. Kirby 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).

  • Solvent-free floorcovering adhesive and method of producing same
    Patent number: 5258425
    Abstract: A solvent-free adhesive formulation and a method for producing the adhesive is disclosed, the method involving dissolving resin in a heated oil and adding a surfactant thereto for dispersion purposes. Water is added to the resultant mixture to form an emulsion. A caustic agent is added to stabilize the emulsion and latex and thickener are added to the emulsion at ambient temperature. A stable, solvent-free adhesive is produced having superior bond strength and aging characteristics.
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: November 2, 1993
    Assignee: Capitol Adhesives, Inc.
    Inventor: Lisa M. Kirby