Patents by Inventor Andrew Tainter Walter

Andrew Tainter Walter 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).

  • Foams for treating fabrics
    Patent number: 4099913
    Abstract: Foams containing a functional textile treating compound for application to a substrate such as a fabric or textile. The use of foams enables the application in uniform manner of many functional compositions that can be used in the treatment of a textile fabric to improve its properties. The foam compositions of this invention generally leave the textile material essentially dry to the touch and thus require less energy consumption in drying and further treatment of the textile. The foams have a foam density of 0.005 to 0.3 gram per cc, and average bubble size of from 0.05 to 0.5 millimeters in diameter and a foam half-life of from one to sixty minutes.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: July 11, 1978
    Assignee: Union Carbide Corporation
    Inventors: Andrew Tainter Walter, George Macon Bryant, Ronald Louis Readshaw
  • Apparatus for application of foam to a substrate
    Patent number: 4023526
    Abstract: Foam applicator heads for the application of a functional chemical treating composition in the form of a froth or foam to a substrate, such as a textile or fabric. The apparatus enables the uniform application in foam form of many functional chemicals composition that are to be used for treatment of the substrate in such manner as to leave the treated material essentially dry to the touch when the treating substrate was initially dry to the touch.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: May 17, 1977
    Assignee: Union Carbide Corporation
    Inventors: Donald Harold Ashmus, William Wirt Rankin, Andrew Tainter Walter