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:
Nov. 06, 2007
Filed:
Oct. 14, 2004
Masaki Nakamura, Minamiashigara, JP;
Takashi Imai, Minamiashigara, JP;
Katsumi Daimon, Minamiashigara, JP;
Yuka Ishihara, Minamiashigara, JP;
Hirokazu Yamada, Minamiashigara, JP;
Hirokazu Hamano, Minamiashigara, JP;
Norihito Fukushima, Minamiashigara, JP;
Yasuhiro Arima, Minamiashigara, JP;
Masaki Nakamura, Minamiashigara, JP;
Takashi Imai, Minamiashigara, JP;
Katsumi Daimon, Minamiashigara, JP;
Yuka Ishihara, Minamiashigara, JP;
Hirokazu Yamada, Minamiashigara, JP;
Hirokazu Hamano, Minamiashigara, JP;
Norihito Fukushima, Minamiashigara, JP;
Yasuhiro Arima, Minamiashigara, JP;
Fuji Xerox., Ltd., Tokyo, JP;
Abstract
An electrophotographic toner having a core-shell structure including a crystalline resin in its core region or a sea-island structure including a crystalline resin in its island region, wherein the toner has 1) a resistance of 5.0×10Ω·cm or higher, 2) a dynamic viscosity coefficient of 3×10Pa·s or higher at a temperature which is 50° C. higher than a melting point of the crystalline resin, and 3) a dynamic viscosity coefficient of 1×10Pa·s or lower at a temperature which is 10° C. higher than the melting point of the crystalline resin.