US Patent Issued to Takemoto Oil & Fat on Feb. 17 for "Treatment agent for carbon fiber precursor, composition containing treatment agent for carbon fiber precursor, and carbon fiber precursor" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,176, issued on Feb. 17, was assigned to Takemoto Oil & Fat Co. Ltd. (Gamagori, Japan).

"Treatment agent for carbon fiber precursor, composition containing treatment agent for carbon fiber precursor, and carbon fiber precursor" was invented by Jun Ito (Gamagori, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a carbon fiber precursor treatment agent that contains a carbon nanostructure and a surfactant. The carbon nanostructure is present in the nonvolatile matter of the carbon fiber precursor treatment agent at a content of 10 ppm or more and less than 50,000 ppm."

The patent was filed on Nov. 22, 2022, under Application No. 18/71...