The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6340549 B1

Date of Patent:

Jan. 22, 2002

Filed:

Sep. 15, 2000

Toner for the development of electrostatic image, process for the preparation thereof, developer for the development of electrostatic image and process for the formation of image

Applicant:

Inventors:

Hideo Maehata, Minamiashigara, JP;

Yasuo Matsumura, Minamiashigara, JP;

Hisae Yoshizawa, Minamiashigara, JP;

Masaaki Suwabe, Minamiashigara, JP;

Assignee:

Fuji Xerox Co., Ltd., Tokyo, JP;

Attorney:

Oliff & Berridge, PLC

Primary Examiner:

John Goodrow

Int. Cl.

CPC ...

G03G 9/10 ;

U.S. Cl.

CPC ...

G03G 9/10 ;

Abstract

The foregoing problem is solved with a toner for the development of an electrostatic image obtained by externally adding agglomerated particles to toner particles containing a binder resin and a colorant, characterized in that the agglomerated particles are made of (i) a particulate resin alone, (ii) a particulate lubricant alone or (iii) at least two particulate materials selected from the group consisting of particulate resin, particulate lubricant and inorganic particulate material and have a shape factor of 130 or more and a volume-average particle diameter of from 0.5 &mgr;m to 10 &mgr;m.

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Maehata, Hideo. (2002). Toner for the development of electrostatic image, process for the preparation thereof, developer for the development of electrostatic image and process for the formation of image (U.S. Patent No. 6340549). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6340549

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