US Patent Issued to Exxon Mobil Technology and Engineering on Oct. 7 for "Pitch compositions for spinning into carbon articles and methods relating thereto" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,450, issued on Oct. 7, was assigned to Exxon Mobil Technology and Engineering Co. (Spring, Texas).

"Pitch compositions for spinning into carbon articles and methods relating thereto" was invented by Stuart E. Smith (Easton, Pa.), Madhavi Vadlamudi (Clinton, N.J.), Clarence E. Chase (Bensalem, Pa.) and Robert Panepinto (Freehold, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pitch composition suitable for spinning may comprise: a pitch having a softening point temperature (Tsp) of 400deg C. or less, and an oxidation onset temperature (OOT) at least 10deg C. below the Tsp at a ramp rate of 10deg C./min. A carbon fiber may comprise: a carbon fib...