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Machine translation
1. (WO1999012078) TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT AND PROCESS FOR PRODUCING THE SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1999/012078    International Application No.:    PCT/JP1998/003843
Publication Date: 11.03.1999 International Filing Date: 28.08.1998
Chapter 2 Demand Filed:    11.12.1998    
IPC:
G03G 9/09 (2006.01)
Applicants: NIPPON ZEON CO., LTD. [JP/JP]; 6-1, Marunouchi 2-chome Chiyoda-ku Tokyo 100-8323 (JP) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, JP, KR, LU, MC, NL, PT, SE only).
WATANABE, Makoto [JP/JP]; (JP) (For US Only).
IMAI, Katsuhiro [JP/JP]; (JP) (For US Only)
Inventors: WATANABE, Makoto; (JP).
IMAI, Katsuhiro; (JP)
Agent: NISHIKAWA, Shigeaki; Visual City 401 43-8, Higashi-Nippori 3-chome Arakawa-ku Tokyo 116-0014 (JP)
Priority Data:
9/249601 29.08.1997 JP
Title (EN) TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT AND PROCESS FOR PRODUCING THE SAME
(FR) TONER POUR LE DEVELOPPEMENT D'IMAGES ELECTROSTATIQUES ET PROCEDE DE PRODUCTION DE CE TONER
Abstract: front page image
(EN)A toner for electrostatic image development which contains a carbon black as a colorant, characterized in that the carbon black has (1) a primary particle diameter of 28 to 60 nm, (2) a DBP absorption of 40 to 75 ml/100 g, and (3) a pH of 6.0 to 10.0; and a process for producing the toner through suspension polymerization.
(FR)Cette invention se rapporte à un toner servant au développement d'images électrostatiques, qui contient du noir de carbone comme colorant et qui se caractérise en ce que le noir de carbone présente: (1) un diamètre particulaire primaire compris entre 28 et 60 nm, (2) une absorption DBP comprise entre 40 et 75 ml/100 g, et (3) un pH compris entre 6,0 et 10,0; ainsi qu'à un procédé de production de ce toner par polymérisation en suspension.
Designated States: JP, KR, US.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)