Patents by Inventor Benjamin H. Amdur

Benjamin H. Amdur 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