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. 28, 2016
Filed:
Feb. 25, 2015
Ryo Miyakoshi, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Yoshihiro Moriya, Shizuoka, JP;
Satoyuki Sekiguchi, Shizuoka, JP;
Yuya Hirokawa, Shizuoka, JP;
Ryo Miyakoshi, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Yoshihiro Moriya, Shizuoka, JP;
Satoyuki Sekiguchi, Shizuoka, JP;
Yuya Hirokawa, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner including a crystalline polyester and an amorphous polyester is provided. When the binder resin is extracted from the toner with tetrahydrofuran to obtain an extracted solution, and the extracted solution is heated to remove the tetrahydrofuran and obtain a deposit, the deposit contains spherical domains of the crystalline polyester having an average particle diameter of 7.0 μm or less.