US Patent Issued to CANON on March 17 for "Toner and method for producing toner" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,666, issued on March 17, was assigned to CANON K.K. (Tokyo).

"Toner and method for producing toner" was invented by Kouichirou Ochi (Chiba, Japan), Masayuki Hama (Ibaraki, Japan), Yuka Gunji (Ibaraki, Japan), Hayato Ida (Ibaraki, Japan) and Kaoru Yoshida (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toner comprising a toner particle comprising an organic pigment and a binder resin, wherein, in a solid-state NMR measurement at 60deg C. using a solid fraction obtained by specific procedure for dissolving the toner in chloroform as a sample, a transverse relaxation time T2 of a peak observed between 1.5 and 2.5 ppm is from 0.08 to 0...