Patents by Inventor Christopher P. Laurello

Christopher P. Laurello 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).

  • Tarnish deterring tin coating
    Patent number: 6905782
    Abstract: The present invention is directed to a coated substrate, comprising: an antitarnish layer deposited on a substrate in an amount effective to prevent tarnishing of said coated substrate; and an outer layer deposited onto said antitarnish layer, said outer layer comprising tin or tin alloys having at least 50% by weight tin. The present invention is also directed to coated substrates having a concentration gradient of antitarnish agent diffused into the coating, as well as methods of forming such coated substrates.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: June 14, 2005
    Assignee: Olin Corporation
    Inventors: Christopher P. Laurello, Derek E. Tyler, Szuchain Chen, Julius C. Fister