ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,821, issued on July 29, was assigned to Thread Innovations Inc. (Edmonton, Canada).

"Fabrication of carbon fibers with high mechanical properties" was invented by Weixing Chen (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fabricating carbon fibers includes the steps of: (a) melting asphaltene solids in a sealed vessel; (b) spinning melted asphaltenes to fabricate green fibers; (c) stabilizing the green fibers; (d) carbonizing the stabilized green fibers; and (e) optionally graphitizing carbonized fibers."

The patent was filed on Oct. 19, 2020, under Application No. 17/769,279.

*For further information, including image...