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:
Mar. 06, 2007
Filed:
Mar. 05, 2001
Hidemitsu Aoki, Tokyo, JP;
Hiroaki Tomimori, Tokyo, JP;
Masayuki Takashima, Osaka, JP;
NEC Electronics Corporation, Kanagawa, JP;
Sumitomo Chemical Company Limited, Osaka, JP;
Abstract
According to the present invention, there is provided an anticorrosive treating concentrate usable for an exposed surface of a metal (e.g. copper or a copper alloy), containing an anticorrosive agent and a precipitation inhibitor and having a pH of 4 to 12 when used in the form of an aqueous solution, in which concentrate the anticorrosive agent is a triazole type compound and/or a derivative thereof and is contained in a concentration of 0.05 to 20% by weight and the precipitation inhibitor is a compound having at least one nitrogen atom but no metal atom in the molecule.