Patents by Inventor James R. Trueman

James R. Trueman 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).

  • Thickened liquid bleaching composition
    Patent number: 4775492
    Abstract: The invention provides a process for preparing a thickened liquid bleaching composition with a low initial viscosity during manufacturing and an increased final viscosity, using a hypochlorite-soluble detergent-active material and a soap, whereby the soap is partly or completely caused to be formed in situ in the composition by incorporating therein a material which generates fatty acid in the composition. Typical examples of such materials are fatty acid esters of lower alcohols.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: October 4, 1988
    Assignee: Lever Brothers Company
    Inventors: Peter W. Vipond, James R. Trueman, John S. Parsons
  • Pourable liquid compositions
    Patent number: 4271030
    Abstract: A colored liquid hypochlorite bleach composition is provided, comprising a particulate pigment such as Ultramarine Blue, which is stably suspended in the composition by means of a flocculate, such as calcium soap flocs.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: June 2, 1981
    Assignee: Lever Brothers Company
    Inventors: John M. Brierley, John S. Parsons, James R. Trueman, Robert A. Jones