Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-05-26
1996-11-19
Jagannathan, Vasu S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525256, 525258, 525296, 525309, 525301, 525287, 525291, 525305, 525285, 525312, 430109, 430111, C08F26504, C08F25702, C08F 214
Patent
active
055763936
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:
patent: 4885350 (1989-12-01), Yamashita
patent: 5061766 (1991-10-01), Yamashita
patent: 5219694 (1993-06-01), Anno
patent: 5219943 (1993-06-01), Akasaki
patent: 5354640 (1994-10-01), Kanbayashhi
Kawase Hiromitsu
Shiraishi Keiko
Yamashita Hiroshi
Jagannathan Vasu S.
Ricoh & Company, Ltd.
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