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1. (WO2012043852) TONER FOR DEVELOPING ELECTROSTATIC IMAGES AND DEVELOPER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/043852    International Application No.:    PCT/JP2011/072718
Publication Date: 05.04.2012 International Filing Date: 27.09.2011
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).
WATANABE, Naohiro [JP/JP]; (JP) (For US Only).
SUGIMOTO, Tsuyoshi [JP/JP]; (JP) (For US Only).
HOZUMI, Mamoru [JP/JP]; (JP) (For US Only).
UCHINOKURA, Osamu [JP/JP]; (JP) (For US Only)
Inventors: WATANABE, Naohiro; (JP).
SUGIMOTO, Tsuyoshi; (JP).
HOZUMI, Mamoru; (JP).
UCHINOKURA, Osamu; (JP)
Agent: HIROTA, Koichi; HIROTA, NAGARE & ASSOCIATES, 4th Floor, Shinjuku TR Bldg., 2-2-13, Yoyogi, Shibuya-ku, Tokyo 1510053 (JP)
Priority Data:
2010-220748 30.09.2010 JP
2011-060296 18.03.2011 JP
Title (EN) TONER FOR DEVELOPING ELECTROSTATIC IMAGES AND DEVELOPER
(FR) TONER POUR DÉVELOPPEMENT D'IMAGES ÉLECTROSTATIQUES ET RÉVÉLATEUR
Abstract: front page image
(EN)To provide a toner containing: a binder resin containing a non-crystalline polyester resin and a crystalline polyester resin; a colorant; and wax, wherein the toner satisfies the following formula 1, and has loss tangent of 1 or smaller at 80°C or higher, B―A < 20 Formula 1 where A represents a melting point of the crystalline polyester resin and B represents a temperature at which the toner has storage modulus G' of 20,000 Pa.
(FR)L'invention porte sur un toner, qui contient : une résine de liant contenant une résine polyester non cristalline et une résine polyester cristalline ; un colorant ; et une cire, le toner satisfaisant à la formule 1 suivante, et ayant un facteur de dissipation de 1 ou moins à 80°C ou plus, B-A < 20, formule 1, où A représente un point de fusion de la résine polyester cristalline et B représente une température à laquelle le toner a un module de conservation G' de 20.000 Pa.
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)