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1. (US20090087766) TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE

Office : United States of America
Application Number: 11917856 Application Date: 29.06.2005
Publication Number: 20090087766 Publication Date: 02.04.2009
Publication Kind : A1
Prior PCT appl.: Application Number:JP05011945 ; Publication Number: Click to see the data
IPC:
G03G 9/08
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
9
Developers
08
with toner particles
Applicants: Konica Minolta Business Technologies, Inc.
Inventors: Shirose Meizo
Kitani Ryuji
Agents: BUCHANAN, INGERSOLL &; ROONEY PC
Priority Data:
Title: (EN) TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE
Abstract: front page image
(EN)

The present invention relates to a toner for developing electrostatic latent images, comprising carbon black having a number average particle size of Feret's diameter of 5 to 300 nm and containing primary particles at a content of 5% or more on a number basis.

The toner of the present invention can prevent change of Q/M caused by adhesion of a carrier or a sleeve, and stable characteristics can be maintained for a long period without causing fogging or tone-flying.


Also published as:
EP1898266JP4720826WO/2007/000818