Patents by Inventor Roy Worrall

Roy Worrall 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).

  • Moldable foamed polymer composition and a process therefor
    Patent number: 4136140
    Abstract: This invention relates to a moldable foamed polymer composition that can be molded at relatively low ambient temperatures and pressures. The moldable composition comprises a wax and particles of a foamed polymer, the wax being present in an amount capable of bonding the particles together in a coherent body. A method for forming articles from said composition along with processes for using said molded articles are also disclosed.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: January 23, 1979
    Assignee: Monsanto Limited (Monsanto Chemicals Ltd.)
    Inventor: Roy Worrall
  • Shuttering member
    Patent number: 4069632
    Abstract: The shuttering member of this invention comprises a foamed resin block rabbeted along at least two opposed longitudinal edges of the same major surface of the block and having internal strengthening rods across the width of the block. The invention also comprises a method of producing a foamed shuttering member having strengthening rods.
    Type: Grant
    Filed: October 30, 1973
    Date of Patent: January 24, 1978
    Assignee: Monsanto Limited
    Inventors: Gerald Bode, Roy Worrall