Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Toner, as well as image forming apparatus and image forming method using the same
To provide a toner produced by emulsifying or dispersing in an aqueous medium particles containing at least polyester resin particles and by aggregating the polyester resin particles, wherein the polyester resin particles contain a polyester resin, the polyester resin is produced by condensation polymerization of an alcohol component containing 65 mol % or more 1,2-propanediol in a dihydroxy alcohol component and a carboxylic acid component containing purified rosin, and the softening point of the polyester resin is 80° C. or more and less than 120° C., and wherein the toner comprises a colorant and a releasing agent.
Ricoh Company, Ltd.
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Tsuyoshi Akiyoshi Shinya Hiroshi Hiroshi Akihiro Junichi
Sugimoto Sabu Nakayama Yamashita Yamada Kotsugai Awamura