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. 17, 2020
Filed:
Apr. 11, 2019
Kyocera Document Solutions Inc., Osaka, JP;
Yuma Uchihashi, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A toner includes toner particles. The toner particles each include a toner core containing a binder resin and a shell layer covering a surface of the toner core. The shell layers contain a branched macromolecule. The branched macromolecule includes a repeating unit having an oxazoline group. The branched macromolecule satisfies a relationship represented by r/r≤0.80, where rrepresents a radius of gyration of the branched macromolecule when an absolute molecular weight of the branched macromolecule is 40,000, and rrepresents a radius of gyration of a linear macromolecule including a main chain having the same structure as a main chain of the branched macromolecule when an absolute molecular weight of the linear macromolecule is 40,000. rand rare each a radius of gyration measured by gel permeation chromatography using a multi-angle laser light scattering detector.