Patents by Inventor Steven Dallek

Steven Dallek 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).

  • Synthesis of Li2Mn4O9 using lithium permanganate precursor
    Patent number: 6773851
    Abstract: Li2Mn4O8+z, with z greater than zero and less than one, is prepared from LiMnO4 and an appropriate complimentary compound, such as MnOOH, MnO2 or MnCO3 precursors. The Li2Mn4O8+z is useful in highly oxidized lithium manganospinels.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: August 10, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William A. Ferrando, William P. Kilroy, Steven Dallek
  • Electrochemical preparation of silver oxide electrodes having high thermal stability
    Patent number: 4892629
    Abstract: The shelf life of electrochemically prepared AgO cathodes is improved by reasing the temperature of anodization step to about 70.degree. C. or higher. At these elevated temperatures the capacity of the AgO electrode can also be increased by using a charge-discharge-charge regime.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: January 9, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Daniel R. Glen, Azzam N. Mansour, Kathleen M. O'Neill, Steven Dallek, Benjamin F. Larrick