Patents by Inventor Edwin J. Riley

Edwin J. Riley 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).

  • Organic liquid binder composition for porcelain powders
    Patent number: 4704164
    Abstract: An organic liquid composition for use with a heat sinterable porcelain powder, such as dental porcelain powder, which binder composition comprises a mixture of organic liquids which have an index of refraction of the porcelain powder to be mixed with the organic liquid binder.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: November 3, 1987
    Assignee: Forsyth Dental Infirmary for Children
    Inventors: Benjamin H. Amdur, Edwin J. Riley, Ralph B. Sozio
  • Porcelain products and methods
    Patent number: 4645454
    Abstract: A heat sinterable porcelain powder mix and a method of preparing a sintered porcelain product of desired color, particularly for use in the fabrication of dental appliances, which mix comprises an admixture of a porcelain powder with an organic liquid binder, which binder has an index of refraction the same or substantially the same as the index of refraction of the porcelain powder, thereby permitting visualization of the true post-sintered color of the porcelain powder mix during application and prior to heat sintering.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: February 24, 1987
    Assignee: Forsyth Dental Infirmary for Children
    Inventors: Benjamin H. Amdur, Edwin J. Riley, Ralph B. Sozio
  • Dental appliance and method of manufacture
    Patent number: 4585417
    Abstract: A tooth crown or the like fixed, custom fitted dental appliance made of a fired ceramic which undergoes substantially no shrinkage when fired, the appliance being made by forming a compact of the raw prefired ceramic with an undersurface shaped for a precise fit onto the prepared tooth on which the appliance is to be used, and thereafter firing the compact to a dense hard monolithic structure.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: April 29, 1986
    Assignee: Coors Porcelain Company
    Inventors: Ralph B. Sozio, Edwin J. Riley