Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1995-05-24
1996-07-30
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, 428402, 524904, 526934, G03G 908, B32B 516
Patent
active
055410316
ABSTRACT:
Polymer particles which are substantially spherical and have protrusions on the surface thereof, with such a particle size distribution that the volume mean diameter dv thereof is 1.ltoreq.dv.ltoreq.15 (.mu.m), and the ratio of the volume mean diameter dv to the number mean diameter dn thereof, that is, dv/dn, is 1.ltoreq.dv/dn.ltoreq.1.2, are prepared, and used as a component for a toner for use in electrophotography.
REFERENCES:
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patent: 4968577 (1990-11-01), Kohri et al.
patent: 5061766 (1991-10-01), Yamashita et al.
patent: 5219694 (1993-06-01), Anno et al.
patent: 5219697 (1993-06-01), Mori et al.
patent: 5219943 (1993-06-01), Akasaki et al.
patent: 5354640 (1994-11-01), Kanabayashi et al.
Kawase Hiromitsu
Shiraishi Keiko
Yamashita Hiroshi
Martin Roland
Ricoh & Company, Ltd.
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