ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,838, issued on June 2, was assigned to THE DOSHISHA (Kyoto, Japan) and DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Method for producing metal carbide, method for producing hydrocarbon, and metal carbide composition" was invented by Takuya Goto (Kyotanabe, Japan), Takashi Watanabe (Kyotanabe, Japan), Yuta Suzuki (Kyotanabe, Japan), Haruka Fukuda (Kyotanabe, Japan), Atsuya Yamada (Kyotanabe, Japan), Tomohiro Isogai (Osaka, Japan), Yosuke Kishikawa (Osaka, Japan) and Akiyoshi Yamauchi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a hydrocarbon, including: preparing a molten salt containing an oxide of a first metal; add...