Patents by Inventor Keith Charles Tipler

Keith Charles Tipler 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).

  • Substance releasing materials
    Patent number: 6429156
    Abstract: There is disclosed a substance releasing material including a substrate having at least one beneficial substance adhered thereto by at least one layer of bonding agent. The beneficial substance or substances is releasable by the action of a release agent. Examples of the beneficial substance include an anti-rust agent, a foodstuff preservative, a sterilising agent, and a foodstuff flavouring.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: August 6, 2002
    Inventors: Keith Charles Tipler, Ivan Robert Tatt
  • Foodstuffs preserving packaging
    Patent number: 6106876
    Abstract: A foodstuff preserving packaging comprising a packaging substrate having a layer of a bonding agent including at least one foodstuff preservative.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: August 22, 2000
    Inventors: Keith Charles Tipler, Ivan Robert Tatt