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:
Jul. 21, 2020
Filed:
Aug. 14, 2018
Fuji Xerox Co., Ltd., Tokyo, JP;
Yasuo Kadokura, Kanagawa, JP;
Atsushi Sugawara, Kanagawa, JP;
Daisuke Tomita, Kanagawa, JP;
Sakiko Hirai, Kanagawa, JP;
Satoshi Miura, Kanagawa, JP;
Akira Matsumoto, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
An electrostatic charge image developing toner has a surface property index value represented by Formula S of 2.0 to 2.8, an electrostatic charge image developing toner has a surface property index value represented by Formula S of more than 2.8 and 3.5 or less, and an electrostatic charge image developing toner has a surface property index value represented by Formula S of more than 1.0 and less than 2.0 and a calculated value of a specific surface area in Formula S of 0.70 to 1.3:(Surface property index value)=(Measured value of specific surface area)/(Calculated value of specific surface area)  Formula S