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. 30, 2020
Filed:
Jan. 29, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuujirou Nagashima, Susono, JP;
Yusuke Hasegawa, Suntou-gun, JP;
Tomohisa Sano, Mishima, JP;
Yoshitaka Suzumura, Mishima, JP;
Satoshi Arimura, Toride, JP;
Kozue Uratani, Mishima, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/09 (2006.01); G03G 9/083 (2006.01); G03G 9/087 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0833 (2013.01); G03G 9/0804 (2013.01); G03G 9/0821 (2013.01); G03G 9/0827 (2013.01); G03G 9/0838 (2013.01); G03G 9/0839 (2013.01); G03G 9/08711 (2013.01); G03G 9/08755 (2013.01); G03G 9/08782 (2013.01); G03G 9/08797 (2013.01); G03G 9/0902 (2013.01); G03G 9/0926 (2013.01);
Abstract
Provided is a toner containing a toner particle including a binder resin, a wax, and a colorant. The softening point of the toner is at least 80° C. and not more than 140° C. The average circularity of the toner is at least 0.940. The integrated value of stress in the toner at 150° C. which is measured by using a tackiness tester is at least 78 g·m/sec.