ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,335, issued on Dec. 16, was assigned to ARKEMA FRANCE (Puteaux, France).

"High temperature composites and methods for preparing high temperature composites" was invented by Robert J. Barsotti (Newtown Square, Pa.), Roderick Reber (Philadelphia), Mary K. Calvin (Havertown, Pa.) and Stephen G. Dipietro (Amherst, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making a carbon carbon, carbon ceramic matrix, or carbon silica composite, comprising melt processing a resin comprising a polyaryletherketone (PAEK) and at least one reinforcing additive to make a precursor part, pyrolyzing the precursor part to make a pyrolyzed part, infusing a...