Patents by Inventor Durand A. Cercone

Durand A. Cercone 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).

  • Electrowinning of direct metallization accelerators
    Patent number: 5368718
    Abstract: A specially controlled electrolytic process for regenerating for reuse solutions such as the post activator solution used in the direct metallization process for making printed circuit boards is disclosed whereby the contaminant tin level of the operating solution is controlled at desired levels.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: November 29, 1994
    Assignee: Enthone-OMI, Inc.
    Inventors: Jay B. Conrod, Paul Menkin, Durand A. Cercone