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:
Feb. 08, 2011
Filed:
Apr. 18, 2007
Joseph A. Abys, Warren, NJ (US);
Shenliang Sun, Bridgewater, CT (US);
Chonglun Fan, Hillsboro, OR (US);
Edward J. Kudrak, Jr., Morganville, NJ (US);
Joseph A. Abys, Warren, NJ (US);
Shenliang Sun, Bridgewater, CT (US);
Chonglun Fan, Hillsboro, OR (US);
Edward J. Kudrak, Jr., Morganville, NJ (US);
Enthone Inc., West Haven, CT (US);
Abstract
A method and composition for enhancing corrosion resistance, wear resistance, and contact resistance of a device comprising a copper or copper alloy substrate and at least one metal-based layer on a surface of the substrate. The composition comprises a phosphorus oxide compound selected from the group consisting of a phosphonic acid, a phosphonate salt, a phosphonate ester, a phosphoric acid, a phosphate salt, a phosphate ester, and mixtures thereof; an aromatic heterocycle comprising nitrogen; and a solvent having a surface tension less than about 50 dynes/cm as measured at 25° C.