Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1989-01-18
1991-02-26
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430108, 430109, 430110, 430111, 430138, G03G 9093, G03G 9107
Patent
active
049961268
ABSTRACT:
This invention relates to a two-components developer containing toners and carriers wherein the toners have spheroidicity of 150 or less, mean particle size of 14 .mu.m or less and coefficient of variation of 15% or less, and the carriers have mean particle size of between 20 .mu.m and 70 .mu.m and/or spheroidicity of 140 or more.
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patent: 4822711 (1989-04-01), Itaya et al.
patent: 4825246 (1989-04-01), Fukuchi et al.
Anno Masahiro
Sano Eiichi
Martin Roland
Minolta Camera Kabushiki Kaisha
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