Patents Assigned to Van Waters and Rogers, Inc.
  • Patent number: 5145523
    Abstract: Liquid solutions for cleaning plastic and metallic surfaces and methods of cleaning such surfaces using the solutions are disclosed. The solutions may be used to clean audio/video tapes and tape-engaging parts, computer diskettes, electrical components, video screens, etc. The solutions comprise an isoparaffinic hydrocarbon solvent, a glycol ether, and, optionally, a monohydric branched alcohol having 4 to 10 carbon atoms.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: September 8, 1992
    Assignee: Van Waters and Rogers, Inc.
    Inventors: John M. Halpin, David J. Quam