Cooper & Dunham LLP
Toner, external additive therefor and image forming method using the toner
A toner including a binder resin; a colorant; and an external additive, wherein the external additive includes a particulate inorganic material, and a silicone oil, wherein the silicone oil is present on the particulate inorganic material in an amount of Ws by weight and present as a free silicone oil in an amount of Wfs by weight, and a free silicone degree defined as a ratio Wfs/Ws is from 10 to 70%.
Ricoh Company, Ltd.
C C Y C C C B C C C G C C G C C C
C01P C01P Y10T C01P C01P C09C B82Y C09C C01P C01P G03G C01P C01P G03G C09C C01P C01P
additional additional additional additional additional inventional inventional inventional additional additional inventional additional additional inventional inventional additional additional
Hachiroh Yoshihiro Osamu Hitoshi Tomio Hideki Hiroshi
Tosaka Suguro Uchinokura Ueda Kondou Sugiura Yamashita