Patents by Inventor Barry John Clarke

Barry John Clarke 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).

  • Amine resin and process
    Patent number: 4007142
    Abstract: As new compositions, retiporous amine resin granules of at least 10% pore volume, the pores having a minimum average diameter of about 0.1 micron. A process of preparing the granules from a dispersion of a hardenable amine syrup and their use in paints, polymer and paper as texturing and matting agents are also disclosed.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: February 8, 1977
    Assignee: Balm Paints Limited
    Inventors: Barry John Clarke, Robert William Kershaw, Frederick John Lubbeck