Patents Represented by Attorney R. E. Birght

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  • Process of electroplating an adherent chromium electrodeposit on a chromium substrate
    Patent number: 4755263
    Abstract: What is described herein is a method of electroplating an adherent chromium deposit on a chromium substrate. The process is characterized by chemically oxidizing the chromium substrate before starting the electrodeposition of chromium thereon. A suitable chemical oxidizing agent is hydrogen ion, which can be furnished by a dilute acid solution. The invention is applicable to any chromium electroplating bath, including high energy efficient chromium baths, such as HEEF-40 baths, which are presently in commercial use.
    Type: Grant
    Filed: September 17, 1986
    Date of Patent: July 5, 1988
    Assignee: M&T Chemicals Inc.
    Inventor: Kenneth R. Newby