Patents by Inventor Jean R. Donati

Jean R. Donati 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).

  • Structural parts of austenitic nickel-chromium-iron alloy
    Patent number: 4877465
    Abstract: A structural part for use in high temperature aqueous medium consists of an austenitic nickel-chromium-iron alloy containing by wt. 5 to 10% of iron, 18 to 20% of chromium and more than 60% of nickel. All components of the alloy, but chromium, may be in the standard ranges of well-known and proven alloys, typically 600 and X750 alloy.
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: October 31, 1989
    Assignee: Electicite de France (Service National)
    Inventors: Jean R. Donati, Daniele Guttmann, Yves Rouillon, Pierre S. Paul, Guy Zacharie