Patents by Inventor Pierre J. Josso

Pierre J. Josso 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).

  • Hydrazine bath for chemically depositing nickel and/or cobalt, and a method of preparing such a bath
    Patent number: 4844739
    Abstract: The bath uses nickel-II-tri(ethylenediamine) hydroxide and/or cobalt-II-tri(ethylenediamine) hydroxide having the formula M(NH.sub.2 --C.sub.2 H.sub.4 --NH.sub.2).sub.3 (OH).sub.2 as a source of the metal to be deposited, where M represents nickel and/or cobalt, and where the ethylenediamine acts as the complexing agent.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: July 4, 1989
    Assignee: Office National d'Etudes et de Recherches Aerospatiales
    Inventors: Pierre J. Josso, Isabelle V. Gossart, Claude Duret-Thual