Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1989-05-08
1990-08-07
Welsh, J. David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, 430903, 524901, 526934, 525934, G03G 914
Patent
active
049467557
ABSTRACT:
Disclosed is an electrophotographic magnetic toner comprising 40-80% binder resin, a waxy material such as a low molecular weight polypropylene or polyethylene, a charge control agent and 20-60% iron oxide having a number average particle size of 0.2-0.7 microns and wherein trivalent Fe is present in excess and wherein the iron oxide contains 16-25% FeO and about 75-84% Fe.sub.2 O.sub.3.
REFERENCES:
patent: 2221776 (1940-11-01), Carlson
patent: 2297691 (1942-10-01), Carlson
patent: 2618552 (1952-11-01), Wise
patent: 2874063 (1959-02-01), Grieg
patent: 3909258 (1975-09-01), Kotz
patent: 4111823 (1978-09-01), Kobayashi
patent: 4259426 (1981-03-01), Hasegawa et al.
patent: 4282302 (1981-08-01), Makino et al.
patent: 4292387 (1981-09-01), Kanbe et al.
Canon Kabushiki Kaisha
Welsh J. David
LandOfFree
Electrophotographic one component magnetic toner comprising hydr does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrophotographic one component magnetic toner comprising hydr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrophotographic one component magnetic toner comprising hydr will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-960241