Patents by Inventor John Joseph Bernard Ward

John Joseph Bernard Ward 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).

  • Trivalent chromium electroplating baths and method
    Patent number: 4107004
    Abstract: An aqueous trivalent chromium plating bath having low temperature stability comprising trivalent chromium ions preferably in a concentration of at least 0.2 M, sulphate ions preferably in a concentration of at least 0.3 M, a weak complexing agent for the chromium ions in a concentration of at least 0.1 M, and fluoride ions in a concentration of at least 0.025 M. The bath preferably also contains chloride ions in a concentration of at least 0.1 M.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: August 15, 1978
    Assignee: International Lead Zinc Research Organization, Inc.
    Inventors: John Joseph Bernard Ward, Clive Barnes
  • Bright levelling zinc plating
    Patent number: 4048024
    Abstract: Levelling agents for use in zinc electroplating solutions are described comprising thallous ions or a combination of peptone and thiourea. The thallous ions are preferably added to a concentration of at least 1 mg/l and the peptone-thiourea combination added to a concentration of at least 100 mg/l peptone and 50 mg/l thiourea.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: September 13, 1977
    Assignee: International Lead Zinc Research Organization, Inc.
    Inventors: Direj Vallabhbhai Patel, John Joseph Bernard Ward