Yellow developer employing a coated carrier

Details Yellow developer employing a coated carrier Yellow developer employing a coated carrier

1975-09-29

1977-11-15

Smith, Ronald H.

Gas separation: apparatus

Electric field separation apparatus

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

Patent

active

040583970

ABSTRACT:
A novel yellow developer system is provided which employs a Yellow 29 toner in combination with a carrier coated with resin containing copper tetra-4-(octadecylsulfonomido) phthalocyanine. This developer is found to yield prints of exceptional quality and provides long developer life. Processes employing this developer in a color electrophotographic process 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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