The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2005
Filed:
Aug. 31, 2004
Christopher P. Laurello, Milford, CT (US);
Derek E. Tyler, Cheshire, CT (US);
Szuchain Chen, Orange, CT (US);
Julius C. Fister, Hamden, CT (US);
Christopher P. Laurello, Milford, CT (US);
Derek E. Tyler, Cheshire, CT (US);
Szuchain Chen, Orange, CT (US);
Julius C. Fister, Hamden, CT (US);
Olin Corporation, Waterbury, CT (US);
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.