Patents by Inventor Richard P. Fields

Richard P. Fields 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).

  • Light-curable dentin and enamel adhesive
    Patent number: 4544467
    Abstract: Light-curable dentin and enamel adhesives comprising phosphorus-containing polymerizable monomer, sulfur compound having sulfur in the .sup.+2 or .sup.+4 oxidation state, selected photoinitiators, and an optional peroxide compound, as well as one-step and two-step curing methods.
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: October 1, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James E. Bunker, Richard P. Fields