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. 13, 2025
Filed:
Sep. 11, 2020
Kao Corporation, Tokyo, JP;
Yuta Izumiya, Wakayama, JP;
Shogo Nomoto, Wakayama, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
The present invention relates to a toner for development of electrostatic images which contains a colorant, a resin composition (P) and a resin composition (W), in which the resin composition (P) is a resin composition formed by subjecting an acid group-containing amorphous polyester-based resin (A) and an amine compound to condensation reaction, and the resin composition (W) is a resin composition formed by subjecting an alcohol component (W-al), a carboxylic acid component (W-ac) and a hydrocarbon wax containing at least one functional group selected from the group consisting of a hydroxy group and a carboxy group to condensation reaction; and a process for producing the toner.