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:
Apr. 19, 2022
Filed:
May. 10, 2017
Applicant:
Kobe Steel, Ltd., Kobe, JP;
Inventors:
Yusuke Takahashi, Hyogo, JP;
Satoru Takada, Hyogo, JP;
Assignee:
Kobe Steel, Ltd., Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/00 (2006.01); C23C 22/56 (2006.01); B32B 15/08 (2006.01); B32B 7/12 (2006.01); B32B 15/20 (2006.01);
U.S. Cl.
CPC ...
C23C 22/56 (2013.01); B32B 7/12 (2013.01); B32B 15/08 (2013.01); B32B 15/20 (2013.01); C23C 22/00 (2013.01); C23C 2222/20 (2013.01);
Abstract
An aqueous solution for metal surface treatment includes an alkyl silicate or an oligomer thereof in a concentration of 0.005 mass % or more and less than 1 mass %, and an organic silane compound in a concentration of 0.005 mass % or more and less than 1 mass %. The aqueous solution has a pH of 2 or more and 7 or less.