US Patent Issued to Von Roll Schweiz on March 11 for "Curable epoxy composition and its use in prepregs and core filling" (French, Swiss Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,121, issued on March 11, was assigned to Von Roll Schweiz AG (Germany).

"Curable epoxy composition and its use in prepregs and core filling" was invented by Hubert Simon (Buhl, France), Markus Rudin (Frenkendorf, Switzerland) and Nicolas Mullot (Uffheim, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A curable composition comprising: i) a glycidyl ether of a novolac, comprising or consisting of moieties having the formula (I), wherein -Ra is either always hydrogen or always methyl; -B is either always *-CH2-** or always formula (A); -a fraction of 0.8 to 0.99 of the Y moieties are essentially -O-glycidyl, this fraction being designated as x,...