ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,121, issued on Sept. 22, was assigned to KAO Corp. (Tokyo).

"Sulfonate composition" was invented by Yoshinori Mitsuda (Wakayama, Japan), Keisuke Chiba (Wakayama, Japan), Masato Nomura (Wakayama, Japan) and Yuuki Morishige (Wakayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In addition to an organic solvent (B), an inorganic metal compound (C), and water as component (D), a sulfonate composition disclosed in the present invention contains a compound (A) represented by ROOC-(CH2)p-CH(SO3M)-CH2-(CH2)q-COOR', where M represents a cation, R and R' independently represent a group selected from an alkyl group with 10 carbons and an alkenyl gro...