Patents Represented by Attorney, Agent or Law Firm Fran S. Wasserman
  • Method for fabrication of dense compacts from nano-sized particles using high pressures and cryogenic temperatures
    Patent number: 5147446
    Abstract: A method of producing a dense compact of ultra-fine powder employs low temperatures and high pressures to produce a very dense, nearly ideally packed compact from a starting nano-sized powder. The final product is capable of being easily hot-pressed or sintered to full density.
    Type: Grant
    Filed: August 6, 1991
    Date of Patent: September 15, 1992
    Assignee: The United States of America as represented by the Secretary of the Commerce
    Inventors: Alexander Pechenik, Gasper J. Piermarini