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:
Feb. 09, 2021
Filed:
Apr. 03, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Yasuaki Kodama, Toyota, JP;
Shogo Kamenoue, Wakayama, JP;
Kazuhito Yaeda, Shizuoka, JP;
Yoichiro Yoshii, Shizuoka, JP;
Masayuki Nagasawa, Shizuoka, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A coolant composition includes a viscosity improving agent and a base. The viscosity improving agent includes at least one nonionic surfactant and at least one anionic surfactant represented by the following Formula (1) of RO—(RO)—SOM. The base is formed of water and/or at least one alcohol selected from the group consisting of a monohydric alcohol, a dihydric alcohol, a trihydric alcohol, and a glycol monoalkyl ether. Rrepresents a linear or branched alkyl group having 16 to 24 carbon atoms or a linear or branched alkenyl group having 16 to 24 carbon atoms, Rrepresents an ethylene group or a propylene group, m represents an average addition molar number of RO which is a number of 0.5 to 10, and M represents a cation or a hydrogen atom. A shear viscosity of the coolant composition is 8.5 mPa·s or higher at 25° C. and is 2.0 mPa·s or lower at 100° C.