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:
Mar. 07, 2017
Filed:
Apr. 27, 2015
Akihiro Takeyama, Kanagawa, JP;
Shinya Nakayama, Shizuoka, JP;
Akinori Saitoh, Shizuoka, JP;
Shinsuke Nagai, Shizuoka, JP;
Hiroyuki Takeda, Kanagawa, JP;
Akihiro Takeyama, Kanagawa, JP;
Shinya Nakayama, Shizuoka, JP;
Akinori Saitoh, Shizuoka, JP;
Shinsuke Nagai, Shizuoka, JP;
Hiroyuki Takeda, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner, wherein an amount of Al detected in the toner is 0.7% to 1.3%, where the amount of Al detected is determined based on quantitative analysis of Al by X-ray photoelectron spectroscopic analysis (XPS), and wherein [Tg2nd (THF insoluble matter)] is −40° C. to 30° C., where the [Tg2nd (THF insoluble matter)] is a glass transition temperature measured in second heating of differential scanning calorimetry (DSC) of THF insoluble matter of the toner.