Image forming apparatus and developing device therefor

Compositions – Magnetic – With wax – bitumen – resin – or gum

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C264S429000

Reexamination Certificate

active

10686617

ABSTRACT:
In a developing device for an image forming apparatus of the present invention, use is made of a magnetic molding produced by compression-molding a magnet compound material in a magnetic field. The magnet compound material contains, in addition to magnetic powder and fine, thermoplastic resin grains that are major components, at least one of a pigment and a charge control agent.

REFERENCES:
patent: 4137188 (1979-01-01), Uetake et al.
patent: 4626371 (1986-12-01), Ikenaga et al.
patent: 4793691 (1988-12-01), Enomoto et al.
patent: 4984873 (1991-01-01), Takiguchi et al.
patent: 5044733 (1991-09-01), Kamoi et al.
patent: 5244741 (1993-09-01), Nagano et al.
patent: 5513026 (1996-04-01), Suzuki et al.
patent: 5566013 (1996-10-01), Suzuki et al.
patent: 5970294 (1999-10-01), Narita et al.
patent: 6070038 (2000-05-01), Imamura et al.
patent: 6112042 (2000-08-01), Imamura et al.
patent: 6198895 (2001-03-01), Tsuda et al.
patent: 6262787 (2001-07-01), Kamoi et al.
patent: 6287246 (2001-09-01), Yoshii et al.
patent: 6330415 (2001-12-01), Imamura et al.
patent: 6337957 (2002-01-01), Tamaki et al.
patent: 6338900 (2002-01-01), Tada et al.
patent: 6342557 (2002-01-01), Suzuki et al.
patent: 6379759 (2002-04-01), Kamoi et al.
patent: 6522855 (2003-02-01), Katoh et al.
U.S. Appl. No. 10/440,108, filed May 19, 2003, Imamura et al.
U.S. Appl. No. 10/078,343, filed Feb. 21, 2002, Imamura et al.
U.S. Appl. No. 11/353,119, filed Feb. 14, 2006, Imamura.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Image forming apparatus and developing device therefor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image forming apparatus and developing device therefor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus and developing device therefor will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3787498

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.