Patents by Inventor Brian York Downing

Brian York Downing 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).

  • Powder coating materials
    Patent number: 4067926
    Abstract: A powder coating material comprises a copolymer of an ethylenically unsaturated ester and from 11% by weight to 15% by weight (based on the weight of the copolymer) of an .alpha., .beta.-unsaturated carboxylic acid, cross-linked with a di- or polyepoxide resin.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: January 10, 1978
    Assignee: British Industrial Plastics Limited
    Inventors: Philip Michael Cadman, Brian York Downing