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. 29, 2014
Filed:
Sep. 05, 2012
Emi Miyata, Kanagawa, JP;
Sumiaki Yamasaki, Kanagawa, JP;
Yuki Sasaki, Kanagawa, JP;
Satoshi Hiraoka, Kanagawa, JP;
Hirofumi Shiozaki, Kanagawa, JP;
Emi Miyata, Kanagawa, JP;
Sumiaki Yamasaki, Kanagawa, JP;
Yuki Sasaki, Kanagawa, JP;
Satoshi Hiraoka, Kanagawa, JP;
Hirofumi Shiozaki, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A polyester resin for a toner is a polycondensate of a carboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1) and has an alicyclic structure (alicyclic alcohol), wherein Rand Reach independently represents hydrogen or a methyl group, Lrepresents a divalent linking group having an alicyclic structure, Land Leach independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group, a phenylene group, and combinations thereof, and Aand Arepresent a rosin ester group, provided that a divalent linking group having the alicyclic structure represented by Lmay be a divalent linking group having an alicyclic structure formed through linking with any of R, R, Lor L.