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:
Dec. 18, 2018
Filed:
Aug. 13, 2014
Kohsuke Nagata, Shizuoka, JP;
Shinya Nakayama, Shizouka, JP;
Tsuyoshi Sugimoto, Shizouka, JP;
Daisuke Asahina, Shizuoka, JP;
Susumu Chiba, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Shinya Nakayama, Shizouka, JP;
Tsuyoshi Sugimoto, Shizouka, JP;
Daisuke Asahina, Shizuoka, JP;
Susumu Chiba, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner, including: a colorant; a binder resin; and a releasing agent, wherein the binder resin includes a polyester resin, and the toner satisfies requirements (1) and (2) below: (1): G'(50)≥3.0×10Pa and 1.0×10Pa≤G′(60)≤1.0×10Pa, where G′(50) is a storage modulus at 50° C. of the toner and G′(60) is a storage modulus at 60° C. of the toner; and (2): a spin-spin relaxation time of the toner at 50° C. measured by solid echo method of pulse NMR is 1.0 ms or shorter.