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:
Nov. 22, 2011
Filed:
Jun. 18, 2001
Applicants:
Brian B. Cuyler, Oxford, MI (US);
Kevin K. Meagher, Northville, MI (US);
Timm L. Kelly, Birmingham, MI (US);
Inventors:
Brian B. Cuyler, Oxford, MI (US);
Kevin K. Meagher, Northville, MI (US);
Timm L. Kelly, Birmingham, MI (US);
Assignee:
Henkel Kommanditgesellschaft Auf Aktien, Duesseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 22/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
Operational problems such as scale and sludge formation which are encountered in phosphating processes using compositions containing zinc and at least one of Ni, Co, or Zn may be alleviated by maintaining an effective level of dissolved iron cations in such compositions.