US Patent Issued to SHIN-ETSU CHEMICAL on Feb. 3 for "Catechol functional organopolysiloxane, method for producing same, and powder treatment agent" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,217, issued on Feb. 3, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).

"Catechol functional organopolysiloxane, method for producing same, and powder treatment agent" was invented by Ryota Hashimoto (Annaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an organopolysiloxane having a catechol structure per each molecule; and a powder treatment agent that is comprised of such organopolysiloxane. The organopolysiloxane is a catechol functional organopolysiloxane represented by the following formula (1): wherein each R1 independently represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 6 carbon atom...