ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,594, issued on Aug. 4, was assigned to Denka Co. Ltd. (Tokyo).

"Carbon black, slurry, and lithium-ion secondary battery" was invented by Yusaku Harada (Tokyo) and Yuji Koga (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less, and a ratio (S2/S1) of a peak area (S2) of a peak at m/z 128 to a peak area (S1) of a peak at m/z 57 detected through thermal desorption spectroscopy of less than 2.00."

The patent was filed on Dec. 2, 2021, under Application No. 18/254,778.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/n...