Patents by Inventor Derek William Shorten

Derek William Shorten 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).

  • Shrink-wrapping of articles
    Patent number: 3933244
    Abstract: Double-wrap shrink-pack, and method of making it comprising wrapping at least one article in an ethylene polymer film, preferably a polyethylene film, to give a package, and shrink-wrapping a plurality of such packages in an ethylene polymer film, preferably a polyethylene film, to give a double-wrap shrink-pack, wherein one of said films, preferably the second of said films, contains an amount of anti-block additive and the other of said films is substantially free of anti-block additive.
    Type: Grant
    Filed: December 5, 1973
    Date of Patent: January 20, 1976
    Assignee: Bakelite Xylonite Limited
    Inventors: Merfyn Jones Hughes, Derek William Shorten, Graham Westley Smith