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:
Jun. 24, 2014
Filed:
Nov. 02, 2011
Naohiro Watanabe, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Shinya Hanatani, Shizuoka, JP;
Mamoru Hozumi, Miyagi, JP;
Osamu Uchinokura, Shizuoka, JP;
Naohiro Watanabe, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Shinya Hanatani, Shizuoka, JP;
Mamoru Hozumi, Miyagi, JP;
Osamu Uchinokura, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide a toner, containing: a binder resin; a crystalline polyester resin; a colorant; and wax, wherein the toner has a fluidized powder characteristic value of 35% to 45%, and a BET specific surface area of 2.8 m/g to 4 m/g, and wherein the toner has an intensity ratio P2850/P828 of 0.10 to 0.20, where P2850 is an intensity of a peak at 2850 cmwhich is attributed from the wax and the crystalline polyester resin, and P828 is an intensity of a peak at 828 cmwhich is attributed from the binder resin, as measured by total reflectance infrared spectroscopy.