Patent Number: 7,132,210

Title: Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process

Abstract: An image-forming color toner contains at least a colorant, a resin (A), a modified resin (B) and a wax (a) as a mold releasing agent, the image-forming color toner having a phase separated structure comprising the modified resin (B) as a domain in the resin (A) as a continuous phase, and wax (a) being effectively contained the modified resin (B). The modified resin (B) has a wax part containing a wax component (b), and a modified part formed of a vinyl monomer unit and an average ester group concentration of 8% by weight to 30% by weight.

Inventors: Suzuki; Masanori (Shizuoka, JP), Watanabe; Yohichiroh (Shizuoka, JP), Shiraishi; Keiko (Shizuoka, JP), Sawada; Toyoshi (Kanagawa, JP), Saito; Takuya (Shizuoka, JP), Nagayama; Masashi (Shizuoka, JP)

Assignee: Ricoh Company, Ltd.

International Classification: G03G 9/08 (20060101)

Expiration Date: 2019-11-07 0:00:00