Jsr Corporation

Yuki Kushida

Tatsuya Yamanaka

Takahiro Hayama

Masahiro Noda

Yasutaka Kamei

Kiyotaka Mitsumoto

Megumi Arakawa

A cleaning composition includes (A) at least one compound selected from the group consisting of a fatty acid that includes a hydrocarbon group having 8 to 20 carbon atoms, a phosphonic acid that includes a hydrocarbon group having 3 to 20 carbon atoms, a sulfuric acid ester that includes a hydrocarbon group having 3 to 20 carbon atoms, an alkenylsuccinic acid that includes a hydrocarbon group having 3 to 20 carbon atoms, and salts thereof, (B) an organic acid, (C) a water-soluble amine, (D) a water-soluble polymer, and an aqueous medium, the cleaning composition having a pH of 9 or more.

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Minato-ku, Japan

Yuki Kushida