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:
Oct. 29, 2019
Filed:
Jan. 25, 2018
Namie Suzuki, Shizuoka, JP;
Hisashi Nakajima, Shizuoka, JP;
Kazumi Suzuki, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Namie Suzuki, Shizuoka, JP;
Hisashi Nakajima, Shizuoka, JP;
Kazumi Suzuki, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner is provided. The toner comprises a binder resin comprising a polyester resin, a release agent comprising an ester wax, and a wax dispersing agent comprising a hybrid resin. The hybrid resin comprises a condensation polymerization resin unit and an addition polymerization resin unit. The condensation polymerization resin unit comprises a condensation polymerization product of an aromatic alcohol component and a carboxylic acid component, and the carboxylic acid component comprises an aliphatic dicarboxylic acid having 9 to 14 carbon atoms. The addition polymerization resin unit comprises an addition polymerization product of a styrene monomer.