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:
Feb. 12, 2019
Filed:
Jul. 17, 2014
Yu Naito, Shizuoka, JP;
Kazumi Suzuki, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Hisashi Nakajima, Shizuoka, JP;
Saori Yamada, Shizuoka, JP;
Yu Naito, Shizuoka, JP;
Kazumi Suzuki, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Hisashi Nakajima, Shizuoka, JP;
Saori Yamada, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Toner contains a binder resin, a releasing agent, and a tri- or higher metal salt, wherein the toner has a weight average molecular weight (Mw) of from 7,000 to 10,000, a ratio of the weight average molecular weight (Mw) to a number average molecular weight (Mn) of 5 or less, and an acid value of from 6 mgKOH/g to 12 mgKOH/g, wherein the binder resin is a polyester resin, wherein the releasing agent is a monoester wax.