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:
Jan. 25, 2022
Filed:
Mar. 01, 2021
Mec Company Ltd., Hyogo, JP;
Koki Morikawa, Hyogo, JP;
Masahiro Hayashizaki, Hyogo, JP;
Motohiro Nakano, Hyogo, JP;
Masataka Araki, Hyogo, JP;
MEC COMPANY LTD., Hyogo, JP;
Abstract
Provided are a coating film-forming composition for forming a coating film on a metal surface that exhibits excellent adhesiveness between a metal and a resin, and a surface-treated metal member having a coating film formed by using the composition. The coating film-forming composition is a solution containing a silane coupling agent having an amino group, a metallic ion and a halide ion. The metallic ion is preferably a copper ion, and a copper ion concentration in the solution is preferably 0.1 to 60 mM. The amount of Si based on the amount of Cu in the solution is preferably 30 or less, in terms of molar ratio. The pH of the solution is preferably 2.8 to 6.2.