Magenta toner with a coated carrier

Details Magenta toner with a coated carrier Magenta toner with a coated carrier

1975-09-29

1977-11-08

Smith, Ronald H.

Gas separation: apparatus

Magnetic separating means

96 12, 252 621P, 427 14, 427 22, 427 24, G03G 910, G03G 1301

Patent

active

040574261

ABSTRACT:
A novel magenta developer system is provided which employs a 2,9-dimethylquinacridone pigment and a resin toner in combination with a carrier coated with resin containing copper tetra-4-(octadecylsulfonomido) phthalocyanine. Thus, a magenta developer is provided for the first time which is capable of employing a coated conventional carrier, thereby simplifying the color electrophotographic process. Color electrophotographic process employing this developer are also disclosed.

REFERENCES:
patent: 3533835 (1970-10-01), Hagenbach et al.
patent: 3551337 (1970-12-01), Robinson
patent: 3772013 (1973-11-01), Wells
patent: 3775103 (1973-11-01), Sadamatsu et al.
patent: 3804619 (1974-04-01), Mammino et al.
patent: 3900587 (1975-08-01), Lenhard et al.

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