Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Toner and developer
To provide a toner, which contains: a non-crystalline polyester resin A obtained through a reaction between a non-linear chain reactive precursor and a curing agent, and having a glass transition temperature of −60° C. to 0° C.; a non-crystalline polyester resin B having a glass transition temperature of 40° C. to 70° C.; and a crystalline polyester resin C, wherein the toner has a glass transition temperature Tg1st of 20° C. to 40° C. as measured with first heating in differential scanning calorimetry (DSC).
Ricoh Company, Ltd.
G G G G G
G03G G03G G03G G03G G03G
inventional inventional inventional inventional inventional
Daisuke Hiroshi Yukari Tsuyoshi Masana Rintaro Satoyuki Saki
Asahina Yamashita Fukuda Sugimoto Shiba Takahashi Sekiguchi Konno