US Patent Issued to BOSTIK on May 19 for "Silylated sealing composition with improved adhesion on metallic substrates" (Chinese Inventor)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,676, issued on May 19, was assigned to BOSTIK SA (Colombes, France).

"Silylated sealing composition with improved adhesion on metallic substrates" was invented by Yichen Cao (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A moisture curable silylated composition comprising: a polymer (A) comprising at least 2 alkoxysilyl terminal groups of formula (I): wherein R1 represents a hydrocarbon-based divalent radical comprising from 5 to 15 carbon atoms; R2 represents a C2-C4 alkylene; R3 represents a C1-C6 alkylene; R4 and R5 each represent a C1-C4 alkyl; R6 represents H or a radical comprising 1 to 6 carbon atoms; n is an integer such that Mw of ...