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:
Dec. 11, 2012
Filed:
Feb. 28, 2011
Applicants:
William E. Eckles, Cleveland Heights, OH (US);
Thorsten Kuehler, Bielefeld, DE;
Inventors:
William E. Eckles, Cleveland Heights, OH (US);
Thorsten Kuehler, Bielefeld, DE;
Assignee:
Coventya, Inc., Brooklyn Heights, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/56 (2006.01); C25D 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A zinc electroplating bath includes zinc ions and a brightening agent. The brightening agent is a polyamine or a mixture of polyamines that include a quaternary ammonium group.