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:
Jan. 05, 2010
Filed:
Jun. 04, 2004
Michelle R. Pearce, Chardon, OH (US);
Brian G. Straka, Painesville, OH (US);
Donald J. Guhde, Euclid, OH (US);
Terry E. Dorsett, Chardon, OH (US);
Michelle R. Pearce, Chardon, OH (US);
Brian G. Straka, Painesville, OH (US);
Donald J. Guhde, Euclid, OH (US);
Terry E. Dorsett, Chardon, OH (US);
Metal Coatings International Inc., Chardon, OH (US);
Abstract
Methods and compositions that serve to both darken a zinc or other active! metal surface and impart corrosion-resistant properties thereto, are disclosed. The compositions include an aqueous solution containing about 0.1 percent to about 5 percent ammonium chloride and about 0.1 percent to about 5 percent ammonium molybdate. The compositions utilize particular ratios of concentrations of ammonium chloride and ammonium molybdate.