US Patent Issued to Chevron U.S.A. on Dec. 9 for "Crystallite size in rock samples" (British, American Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,023, issued on Dec. 9, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Crystallite size in rock samples" was invented by Rebecca Stokes (San Ramon, Calif.), Paul Montgomery (Bricklehampton, Great Britain) and Andrew P. Rathbun (San Ramon, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method comprises identifying a depositional form of a mineral phase in a sedimentary rock sample based on a measurement of a parameter indicative of a size of crystallites of the mineral phase in the rock sample."

The patent was filed on July 1, 2020, under Application No. 18/003,469.

*For further information, including images, charts and tables, pl...