ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,654, issued on May 19, was assigned to NIPPON SHOKUBAI Co. LTD. (Osaka, Japan).
"Emulsion particle-containing aqueous dispersion" was invented by Yohei Imaizumi (Suita, Japan) and Yoshimine Sakamoto (Suita, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This aqueous dispersion contains monomer emulsion particles comprising a monomer component, wherein the monomer component contains (A) at least one monomer X selected from the group consisting of styrene-based monomers and alkyl (meth)acrylates including an alkyl group having 4 to 12 carbon atoms, (B) a nonionic emulsifier, (C) an aliphatic organic acid (alkyl ester) having 15 or more carbon ato...