Patents by Inventor David B. Binns

David B. Binns 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).

  • Fluorescing agents for dental porcelain
    Patent number: 4198244
    Abstract: A dental porcelain composition which includes, as fluorescing agents,0.05 to 2% by weight of CeO.sub.2 and0.1 to 0.5% by weight of Tb.sub.2 O.sub.3.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: April 15, 1980
    Assignee: National Research Development Corporation
    Inventors: David B. Binns, Ian K. Bloor