US Patent Issued to SEKISUI CHEMICAL on July 28 for "Method for determining origin of carbon source of chemical substance" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,276, issued on July 28, was assigned to SEKISUI CHEMICAL Co. Ltd. (Osaka, Japan).

"Method for determining origin of carbon source of chemical substance" was invented by Kanetomo Sato (Tokyo) and Norio Numata (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for determining origin of carbon source of chemical substance, which makes it possible to determine whether resource-recycled carbon is used as a carbon raw material from a chemical substance in various goods. The method for determining origin of carbon source of chemical substance includes: a step S1 of acquiring a carbon-14 content rate R1 of a standard chemical substan...