ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,941, issued on Oct. 14, was assigned to Exxon Mobil Technology and Engineering Co. (Spring, Texas).
"Upgrading pyrolysis carbon" was invented by Guang Cao (Princeton, N.J.), James R. Bielenberg (Lebanon, N.J.), August W. Bosse (Pennington, N.J.), David C. Dankworth (Princeton, N.J.), Sumathy Raman (Annandale, N.J.) and Michael Siskin (Westfield, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods are provided for upgrading of pyrolysis carbon in order to allow for conversion of the pyrolysis carbon into higher value products. Instead of attempting to convert methane into a high value carbon product (such as carbon nanotubes) and H2 in a sing...