Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-11-07
2008-11-18
Chapman, Mark A (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S122200, C430S123580
Reexamination Certificate
active
07452651
ABSTRACT:
In a carrier comprising carrier particles; each carrier particle comprising a carrier core and a coat layer for coating the carrier core, the carrier core has a ferrite component containing i) a metal oxide having at least one of metallic elements Mg, Li and Ca, the total-sum content of which is 10 to 40 mole % based on the whole ferrite component, and ii) a metal oxide having at least one of metallic elements Mn, Cu, Cr and Zn, the total-sum content of which is 50 to 4,000 ppm based on the whole ferrite component. The carrier has a volume distribution based 50% particle diameter (D50) of from 15.0 to 55.0 μm and a degree of surface unevenness of from 1.05 to 1.30, and the coat layer contains particles; the particles having a number-average primary particle diameter of from 10 to 500 nm.
REFERENCES:
patent: 5629120 (1997-05-01), Serizawa et al.
patent: 64-20587 (1989-01-01), None
patent: 2-259784 (1990-10-01), None
patent: 4-050886 (1992-02-01), None
patent: 5-069427 (1993-03-01), None
patent: 5-165378 (1993-07-01), None
patent: 7-225497 (1995-08-01), None
patent: 7-333910 (1995-12-01), None
patent: 8-292607 (1996-11-01), None
patent: 10-104884 (1998-04-01), None
patent: 2001-154416 (2001-06-01), None
patent: 2002-287431 (2002-10-01), None
patent: 2003-156887 (2003-05-01), None
Baba Yoshinobu
Hashimoto Akira
Hotta Yojiro
Ida Tetsuya
Iida Wakashi
Canon Kabushiki Kaisha
Chapman Mark A
Rossi Kimms & McDowell LLP
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