Toner, and process cartridge

Details Toner, and process cartridge Toner, and process cartridge

2005-04-19

2005-04-19

Rodee, Christopher (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

C430S111400

Reexamination Certificate

active

06881527

ABSTRACT:
In a toner having a polyester resin as a binder resin component, and a colorant, the toner contains (a) in the binder resin component, from 20.0% by weight to 65.0% by weight of a tetrahydrofuran-insoluble matter A1 in 6-hour extraction and from 35.0% by weight to 80.0% by weight of a tetrahydrofuran-soluble matter A2 in 6-hour extraction, (b) in the binder resin component, from 10.0% by weight to 30.0% by weight of a tetrahydrofuran-insoluble matter B1 in 16-hour extraction and from 70.0% by weight to 90.0% by weight of a tetrahydrofuran-soluble matter B2 in 16-hour extraction, and (c) in the binder resin component, from 0.5% by weight to 3.0% by weight of an orthodichloro-benzene-insoluble matter C1 in 6-hour extraction at 185° C. and from 97.0% by weight to 99.5% by weight of an orthodichlorobenzene-soluble matter C2 in 6-hour extraction at 185° C. The proportion of C1 to B1, C1/B1, is from 0.06 to 0.15, and the A1, B1 and C1 satisfy the following expression (1):in-line-formulae description="In-line Formulae" end="lead"?A1>B1>C1.  Expression (1)in-line-formulae description="In-line Formulae" end="tail"?A process cartridge makes use of this toner.

REFERENCES:
patent: 5266432 (1993-11-01), Hayashi et al.
patent: 5660963 (1997-08-01), Doujo et al.
patent: 5747210 (1998-05-01), Emoto et al.
patent: 5976752 (1999-11-01), Matsunaga et al.
patent: 0 460 631 (1991-12-01), None
patent: 63-60904 (1988-11-01), None
patent: 3-197971 (1991-08-01), None
patent: 3-269542 (1991-12-01), None
patent: 4-70765 (1992-05-01), None
patent: 8-297378 (1996-11-01), None
patent: 0029246 (2000-01-01), None
patent: 2002-55485 (2002-02-01), None

Affiliated with

Also associated with

Rating

Toner, and process cartridge does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Toner, and process cartridge, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toner, and process cartridge will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3369087