Patents by Inventor Gerard W. Mulder

Gerard W. Mulder 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).

  • Method for polishing, deburring and descaling stainless steel
    Patent number: 4460479
    Abstract: A metal polishing composition and method using same by suspending a metal article in a hydrochloric-nitric acid solution containing an ethoxylated carboxy-containing quaternary ammonium surfactant. Addition of the present surfactant greatly improves the effectiveness of the polishing bath.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: July 17, 1984
    Inventor: Gerard W. Mulder