Patents by Inventor Arthur John Norman Tamlyn

Arthur John Norman Tamlyn 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).

  • Copolymer coating compositions
    Patent number: 3974118
    Abstract: A method for the manufacture of a copolymer coating composition comprises copolymerizing two or more copolymerizable monomers in dispersion in an aqueous medium in the presence of a surfactant to provide a dispersion of the copolymer containing between 30% and 70% by weight of solids then adding the copolymer dispersion with agitation to a sufficient amount of a volatile organic solvent for the copolymer to provide a water-in-solvent emulsion containing between 10% and 25% by weight of copolymer.Substrates coated with the copolymer coating compositions are also disclosed.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: August 10, 1976
    Assignee: British Cellophane Limited
    Inventors: Bruce Samways, Edward George Sanderson, Arthur John Norman Tamlyn