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.:
Date of Patent:
May. 08, 2007
Filed:
Sep. 08, 2004
Akihiro Iizuka, Minamiashigara, JP;
Atsuhiko Eguchi, Minamiashigara, JP;
Masahiro Okita, Minamiashigara, JP;
Yasuhiro Oya, Minamiashigara, JP;
Akihiro Iizuka, Minamiashigara, JP;
Atsuhiko Eguchi, Minamiashigara, JP;
Masahiro Okita, Minamiashigara, JP;
Yasuhiro Oya, Minamiashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
The invention provides a toner for developing electrostatic charged images comprising toner mother particles containing a binder resin and a colorant, and an external additive, wherein: the average of shape factors SFof the toner mother particles represented by the following Formula (1) is 140 or less; the external additive contains higher alcohol particles having a volume-average particle diameter of 1 to 12 μm; and the content of the higher alcohol particles having a diameter equal to or less than the volume-average particle diameter of the toner mother particles is in a range of 0.15 to 2.5 parts by weight with respect to 100 parts by weight of the toner mother particles. In addition, the invention provides a developer for developing electrostatic charged images comprising the toner. Further, the invention provides an image forming method using the toner.