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:
May. 20, 2014
Filed:
Dec. 07, 2010
Applicant:
Stephanie Greber, Oberviechtach, DE;
Inventor:
Stephanie Greber, Oberviechtach, DE;
Assignee:
Bulk Chemicals, Inc., Reading, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/44 (2006.01); C23C 22/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A chromium-free aqueous treatment solution for coating metal surfaces is described. The treatment solution contains fluorocomplex ions of titanium and/or zirconium and molybdate ions, vanadium ions and one or more aromatic carboxylic acids with at least one carboxyl groups and at least two further functional groups, wherein the two further functional groups are selected from the group comprising carboxyl groups, hydroxyl groups, amino groups and nitro groups.