ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,418, issued on July 1, was assigned to KAO Corp. (Tokyo).

"Hair cosmetic" was invented by Daisuke Hiruma (Kita-ku, Japan) and Mitsuki Takebayashi (Koshigaya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hair cosmetic containing the following components (A) and (B), wherein a mass ratio of the component (B) to the component (A), (B)/(A), is 0.25 or more and 1.90 or less: (A) an aromatic sulfonic acid or a salt thereof having a molecular weight of 300 or less; and (B) a cationic polymer having a cationic charge density of 3.3 meq/g or more and less than 4.5 meq/g."

The patent was filed on July 1, 2020, under Application No. 17/625,474.

*For...