Patents by Inventor John Alan Crossley

John Alan Crossley 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).

  • Electroplating gold alloys and electrolytes therefor
    Patent number: 4069113
    Abstract: Disclosed is an electrolyte for the deposition of predominantly gold alloy deposits, a method for the preparation and use of the electrolyte, and an article obtained by such electrodeposition. These electrolytes contain soluble gold and base metal salts, a buffer system effective at pH 4-6, and either a soluble aluminum compound or formate or oxalate ions. Preferably, the electrolyte contains both the aluminum and formate or oxalate ions.
    Type: Grant
    Filed: July 19, 1973
    Date of Patent: January 17, 1978
    Assignee: Oxy Metal Industries Corporation
    Inventors: John Alan Crossley, Valerie Kathryn Hacker nee Weimer, Paul Grahame Clorley