Patents by Inventor Debasis Majumdar

Debasis Majumdar 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).

  • Ceramic articles and methods for preparing ceramic articles and for sintering
    Patent number: 5290332
    Abstract: A method for preparing a ceramic article comprising compacting a particulate including a primary oxide and a secondary oxide to form a blank. The primary oxide is ZRO.sub.2 and the secondary oxide is MgO, CaO, Y.sub.2 O.sub.3, Sc.sub.2 O.sub.3, rare earth oxides or a combination thereof. The blank is sintered in contact with MgO, CaO, Y.sub.2 O.sub.3, Sc.sub.2 O.sub.3, rare earth oxides or a combination thereof. The zirconia alloy ceramic articles produced have a cubic phase case and a tetragonal phase core.
    Type: Grant
    Filed: March 5, 1992
    Date of Patent: March 1, 1994
    Assignee: Eastman Kodak Company
    Inventors: Dilip K. Chatterjee, Debasis Majumdar, Syamal K. Ghosh, Jose M. Mir