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:
Nov. 26, 2019
Filed:
Aug. 02, 2017
Fuji Xerox Co., Ltd., Tokyo, JP;
Shinichi Yaoi, Kanagawa, JP;
Asafumi Fujita, Kanagawa, JP;
Yasushige Nakamura, Kanagawa, JP;
Seijiro Ishimaru, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
An electrostatic-image developing toner contains toner particles containing a polycondensate resin and hydrophobic external additive particles having a volume average particle size of about 40 to about 200 nm. The electrostatic-image developing toner has a difference between a half-fall temperature T1/2A and a half-fall temperature T1/2B of about 2.0° C. to about 10° C. The half-fall temperature T1/2A is measured with a flow tester after storage in an environment at 50° C. and an absolute humidity of 16.5 g/mfor 2 hours. The half-fall temperature T1/2B is measured with a flow tester after storage in an environment at 50° C. and an absolute humidity of 82.7 g/mfor 2 hours.