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:
Jun. 14, 2016
Filed:
Dec. 09, 2009
Applicants:
Thomas Kolberg, Heppenheim, DE;
Eckart Schönfelder, Idstein, DE;
Olaf Dahlenburg, Neu-Isenburg, DE;
Manfred Walter, Hanau, DE;
Inventors:
Thomas Kolberg, Heppenheim, DE;
Eckart Schönfelder, Idstein, DE;
Olaf Dahlenburg, Neu-Isenburg, DE;
Manfred Walter, Hanau, DE;
Assignee:
Chemetall GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 3/10 (2006.01); C09D 7/00 (2006.01); C23C 22/80 (2006.01);
U.S. Cl.
CPC ...
B05D 3/102 (2013.01); C23C 22/80 (2013.01); Y10T 428/2958 (2015.01); Y10T 442/10 (2015.04);
Abstract
This invention relates to a method for phosphating metal surfaces in which the metal surfaces are treated with an aqueous phosphate and titanium-based colloidal activating agent prior to phoshating, wherein the activating agent comprises at least one water-soluble silicon compound having at least one organic group. The invention also relates to a corresponding activating agent.