Patents by Inventor William John Ward

William John Ward 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).

  • Adhesive dressing
    Patent number: 5709651
    Abstract: An adhesive dressing comprising a backing layer, a pressure sensitive adhesive thereon and a support layer attached to the non-adhesive surface of the backing layer characterized in having an additional edge strip component on the adhesive surface to aid adhesion of the dressing to the skin.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: January 20, 1998
    Assignee: Smith & Nephew PLC
    Inventor: William John Ward
  • Addition for promotion of bench life extension in a hot box binder system
    Patent number: 5643675
    Abstract: The invention relates to the use of tripotassium citrate monohydrate and other alkali metal salts of polybasic acid as bench life extenders in heat curable hot box foundry mixtures comprising sand, thermosetting binder resin, and a latent acid catalyst composition. In one embodiment, the thermosetting binder resin is a phenolic resole resin modified with urea formaldehyde resin. In another embodiment, the thermosetting binder resin is a furfuryl alcohol resin modified with urea formaldehyde resin.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 1, 1997
    Assignee: Borden, Inc.
    Inventors: William John Ward, Robert Anton Laitar, Bruce Eric Wise