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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.:

US 10597609 B1

PDFFull Text
Date of Patent:
Mar. 24, 2020

Filed:

Dec. 27, 2017

Cleaning liquid, anticorrosion agent, and method for manufacturing the same

Applicant:

Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;

Inventors:

Takumi Namiki, Kawasaki, JP;

Takayuki Haraguchi, Hsinchu, TW;

Yu-Geng Wu, Hsinchu, TW;

Assignee:

TOKYO OHKA KOGYO CO., LTD., Kawasaki-Shi, JP;

Attorney:

Knobbe, Martens, Olson & Bear LLP

Primary Examiner:

Gregory E Webb

Int. Cl.
CPC ...
C11D 7/50 (2006.01); C11D 3/00 (2006.01); C11D 3/30 (2006.01); C11D 11/00 (2006.01); B08B 3/08 (2006.01); C23F 11/06 (2006.01); C23F 11/04 (2006.01); H01L 21/311 (2006.01); C11D 7/32 (2006.01); C23F 11/14 (2006.01); H01L 21/02 (2006.01); H01L 21/321 (2006.01);
U.S. Cl.
CPC ...
C11D 3/0073 (2013.01); B08B 3/08 (2013.01); C11D 3/30 (2013.01); C11D 7/3209 (2013.01); C11D 7/3218 (2013.01); C11D 7/50 (2013.01); C11D 11/0047 (2013.01); C23F 11/04 (2013.01); C23F 11/06 (2013.01); C23F 11/142 (2013.01); H01L 21/02068 (2013.01); H01L 21/31133 (2013.01); H01L 21/321 (2013.01);
Abstract

A cleaning liquid and an anticorrosion agent having an excellent corrosion inhibition function, and a method for manufacturing the same. The cleaning liquid contains alkanol hydroxyamine represented by general formula (1), alkanolamine represented by general formula (2), a solvent, and a basic compound other than the alkanol hydroxyamine and the alkanolamine or an acidic compound. In the general formula (1), Rand Reach independently represents a C1-C10 alkyl group having one to three hydroxy groups, or a hydrogen atom, Rand Rare not simultaneously a hydrogen atom, and Rand Rare not simultaneously a hydrogen atom.

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Namiki, Takumi. (2020). Cleaning liquid, anticorrosion agent, and method for manufacturing the same (U.S. Patent No. 10597609). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10597609

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