Patents by Inventor William A. Lees

William A. Lees 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).

  • Adhesives containing FDA approved materials
    Publication number: 20040101643
    Abstract: An adhesive is described. The adhesive is formulated from one or more organic components that have FDA approval.
    Type: Application
    Filed: June 4, 2003
    Publication date: May 27, 2004
    Applicant: National Starch and Chemical Limited
    Inventors: William A. Lees, Richard J. Moulds
  • Initiator compositions for two part acrylic adhesives
    Patent number: 5264525
    Abstract: A high volume amine-aldehyde initiator composition for two part acrylic adhesives is disclosed comprising a mixture of the amine-aldehyde condensate and a diluent comprising an epoxy ether, e.g. the diglycidyl ether of bisphenol A. The initiator compositions are designed for use in dispensing two part acrylic adhesives from self-proportioning twin pack cartridge dispensers at adhesive:initiator ratios of 20:1 or less, e.g. 10:1.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: November 23, 1993
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventor: William A. Lees
  • Rotating nozzle
    Patent number: 5248095
    Abstract: A rotating nozzle for a high pressure water blasting system comprising a rotating body mounted on a fixed shaft having a high pressure water passage therein and adapted to discharge a stream of high velocity water through a nozzle opening in said body that is inclined relative to the longitudinal axis of the rotating body to direct the discharge from the nozzle in a circular path when the body is rotated.
    Type: Grant
    Filed: July 31, 1991
    Date of Patent: September 28, 1993
    Assignee: Aqua-Dyne Incorporated
    Inventors: George J. Rankin, William A. Lees
  • Anaerobic curing compositions
    Patent number: 4138449
    Abstract: Anaerobic curing compositions are disclosed containing from 1-50% by weight of a low molecular weight, reactive, elastomer forming polymer containing a reactive CH.sub.2 .dbd.C(R)C(O)O--, COOH, SH, SO.sub.2 Cl or NH.sub.2 group.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: February 6, 1979
    Inventors: Terence R. Baldwin, David J. Bennett, William A. Lees