Patents by Inventor James A. Stuart, Jr.

James A. Stuart, Jr. 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).

  • Lubricating grease composition
    Patent number: 6429175
    Abstract: A lubricating grease composition including the combination of an oil base, a thickener, and bismuth preferably in the form of a bismuth carboxylate. The grease has excellent film strength, improved “anti-washout” capabilities, and, depending on the thickener used, may have no dropping point, meaning that the oil will not separate out at elevated temperatures.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: August 6, 2002
    Assignee: New Age Chemical, Inc.
    Inventors: James A. Stuart, Jr., Douglas A. Wallace
  • Buffing composition
    Patent number: 5277708
    Abstract: A composition for buffing metal parts comprising from 2% to 12% by weight of a fatty acid or fatty ester, 0.5% to 10% by weight of a nonionic water soluble surfactant, 10% to 50% by weight of an abrasive grit, 40% to 70% by weight of water, a sufficient amount of an alkaline to provide the composition with a pH in the range of 6.5 to 9.0, and 0.3% to 3.0% by weight of an acrylic copolymer which provides a paste-like consistency for the composition. The composition is water washable from the metal part after buffing.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: January 11, 1994
    Assignee: S&S Industrial Services, Inc.
    Inventor: James A. Stuart, Jr.