Patents by Inventor Dasgupta Tridib

Dasgupta Tridib 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).

  • High gold alloy for porcelain fused to metal dental restorations
    Patent number: 6913656
    Abstract: An alloy is provided for dental porcelain fused to metal restorations, having a rich gold color and light oxide coating for bonding the porcelain to the cast alloy substrate. The alloy has suitable mechanical properties for the support of the porcelain and is readily polished to a bright sheen. The alloy includes from 96 to 98 weight % Au with up to 3 weight % Pt, Pd, Ru, Ir, or combinations thereof and 0 to 1.5 wt % In, Sn, Fe, Mn, Cu, B, or combinations thereof.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: July 5, 2005
    Assignee: Ivoclar Vivadent, Inc.
    Inventors: Dasgupta Tridib, Clyde Ingersoll
  • High gold alloy for porcelain fused to metal dental restorations
    Publication number: 20050036901
    Abstract: An alloy is provided for dental porcelain fused to metal restorations, having a rich gold color and light oxide coating for bonding the porcelain to the cast alloy substrate. The alloy has suitable mechanical properties for the support of the porcelain and is readily polished to a bright sheen. The alloy includes from 96 to 98 weight % Au with up to 3 weight % Pt, Pd, Ru, Ir, or combinations thereof and 0 to 1.5 wt % In, Sn, Fe, Mn, Cu, B, or combinations thereof.
    Type: Application
    Filed: August 11, 2003
    Publication date: February 17, 2005
    Inventors: Dasgupta Tridib, Clyde Ingersoll