ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,463, issued on Nov. 4, was assigned to CANON K.K. (Tokyo).
"Toner" was invented by Tomoya Nagaoka (Tokyo), Takayuki Toyoda (Shizuoka, Japan), Naoya Isono (Shizuoka, Japan), Hirofumi Kyuushima (Tokyo) and Masao Suzuki (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toner comprising a toner particle comprising a binder resin, and an external additive, wherein the toner particle further comprises a monohydric aliphatic alcohol, the monohydric aliphatic alcohol has 8 to 18 carbon atoms, a content ratio of the monohydric aliphatic alcohol extracted from the toner with ethanol is 30 to 300 ppm by mass in the toner, and the external additi...