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Patent Searching and Data


Title:
DEVELOPER
Document Type and Number:
Japanese Patent JP3538218
Kind Code:
B2
Abstract:

PURPOSE: To provide a developer excellent in transfer characteristics are obtd. even when image formation is executed in a high temp. and high humidity environment, excellent in durability capable of stably forming the copied images lots of times, excellent in the environmental stability of the image density and capable of reproducing an accurate image density even in a high temp. and high humidity environment.
CONSTITUTION: This developer contains a toner containing coloring particles and org. fine particles. The org. fine particles consist of a fluorinated acrylate (co)polymer having a crosslinked structure. It is preferable that the org. fine particles have 50-500nm number average primary particle size and 10-120m2/g BET specific surface area and the developer contains a resincoated carrier having silicone resin coating layer formed on the surface of magnetic particle.


Inventors:
Ishikawa, Michiaki
Ogawa, Keiko
Shirase, Akizo
Takagiwa, Hiroyuki
Application Number:
JP5001594A
Publication Date:
June 14, 2004
Filing Date:
February 24, 1994
Export Citation:
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Assignee:
KONICA CORP
International Classes:
G03G9/08; G03G9/113; (IPC1-7): G03G9/08; G03G9/113