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:
May. 14, 2019
Filed:
Dec. 13, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Kosuke Fukudome, Tokyo, JP;
Hiroyuki Tomono, Numazu, JP;
Shuhei Moribe, Mishima, JP;
Koji Nishikawa, Susono, JP;
Daisuke Yoshiba, Suntou-gun, JP;
Shotaro Nomura, Suntou-gun, JP;
Atsuhiko Ohmori, Yokohama, JP;
Sho Kimura, Kashiwa, JP;
Tatsuya Saeki, Suntou-gun, JP;
Katsuhisa Yamazaki, Numazu, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a toner having a toner particle including a binder resin and a colorant, wherein the toner has a softening point of at least 100° C. and not more than 150° C., and when Tgt represents a glass transition temperature (° C.) of the toner during a second temperature rise as measured with a DSC, Tgf represents a glass transition temperature (° C.) of a tetrahydrofuran-insoluble matter of the binder resin during a second temperature rise as measured with a DSC, and Tgk represents a glass transition temperature (° C.) of a tetrahydrofuran-soluble matter of the binder resin during a second temperature rise as measured with a DSC, the toner satisfies Tgt>Tgf (1), Tgt>Tgk (2), and 35° C.≤Tgf≤70° C. (3).