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1. (WO2012053653) TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/053653    International Application No.:    PCT/JP2011/074374
Publication Date: 26.04.2012 International Filing Date: 18.10.2011
IPC:
G03G 9/087 (2006.01), G03G 9/08 (2006.01)
Applicants: Ricoh Company, Ltd. [JP/JP]; 3-6, Nakamagome 1-chome, Ohta-ku, Tokyo 1438555 (JP) (For All Designated States Except US).
SHIBA, Masana [JP/JP]; (JP) (For US Only).
CHIBA, Ryuta [JP/JP]; (JP) (For US Only).
NAGATOMO, Tsuneyasu [JP/JP]; (JP) (For US Only)
Inventors: SHIBA, Masana; (JP).
CHIBA, Ryuta; (JP).
NAGATOMO, Tsuneyasu; (JP)
Agent: HIROTA, Koichi; HIROTA, NAGARE & ASSOCIATES, 4th Floor, Shinjuku TR Bldg., 2-2-13, Yoyogi, Shibuya-ku, Tokyo 1510053 (JP)
Priority Data:
2010-237536 22.10.2010 JP
Title (EN) TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
(FR) TONER, RÉVÉLATEUR ET APPAREIL DE FORMATION D'IMAGE
Abstract: front page image
(EN)A toner contains a binder resin, a colorant, and a releasing agent, wherein the toner contains toner particles, and wherein a proportion of the toner particles containing one or more voids having diameters D1 of larger than 0.0μm but 0.5 μm or smaller is more than 5.0% to 60%, and a proportion of the toner particles containing one or more voids having diameters D2 of 1.0 μm or larger is 10% or less.
(FR)Un toner contient une résine de liant, un colorant et un agent anti-adhérent. Une proportion des particules de toner contenant un ou plusieurs vides ayant un diamètre D1 supérieur à 0,0 μm mais inférieur ou égal à 0,5 μm est supérieure à 5,0 % et inférieure ou égale à 60 %. Une proportion des particules de toner contenant un ou plusieurs vides ayant un diamètre D2 supérieur ou égal à 1,0 μm est inférieure ou égale à 10 %.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)