US Patent Issued to Dow Silicones on March 17 for "Functional substance releasing agent" (Belgian Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,507, issued on March 17, was assigned to Dow Silicones Corp. (Midland, Mich.).

"Functional substance releasing agent" was invented by Serge Creutz (Liege, Belgium), Rahma Benbakoura (Quaregnon, Belgium) and Sebastien Grofils (Spy, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A functional substance releasing agent is provided, comprising: a silicic acid ester of formula (I) wherein n is 2 to 50; wherein each R1 is independently selected from the group consisting of H, C1-22 alkyl groups, a -CNH2 group, a -R2CNH2 group, a -CNHR3 group, a -CNHR3 group and a -R2CNR3 group; wherein each R2 is independently a divalent group having 1 to 22 carbo...