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:
Apr. 27, 2010
Filed:
Apr. 08, 2009
Yoshihiro Ogawa, Yokohama, JP;
Yusuke Hasegawa, Suntou-gun, JP;
Kouji Nishikawa, Suntou-gun, JP;
Miho Okazaki, Suntou-gun, JP;
Takashige Kasuya, Suntou-gun, JP;
Yoshihiro Ogawa, Yokohama, JP;
Yusuke Hasegawa, Suntou-gun, JP;
Kouji Nishikawa, Suntou-gun, JP;
Miho Okazaki, Suntou-gun, JP;
Takashige Kasuya, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a toner which has superior low-temperature fixing performance, high-temperature anti-offsetting properties and developing performance and may cause neither melt sticking of toner to photosensitive member nor turn-up of cleaning blade. The toner contains at least a binder resin, a colorant and a wax, and the wax is characterized by i) being an oxidized hydrocarbon wax, ii) having a hydroxyl value of from 5 mgKOH/g or more to 150 mgKOH/g or less, and iii) having, in molecular weight distribution measured by gel permeation chromatography of tetrahydrofuran-soluble matter, a main peak within the range of molecular weight of from 200 or more to 600 or less, and a component with a molecular weight of 700 or more in a content of 3% by mass or less.