Patent · US Active

Toner

US9285697B2 · kind B2 · utility

54Cited by

2References

8Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Kosuke Fukudome · Tokyo, JP
Shuhei Moribe · Mishima, JP
Naoki Okamoto · Tokyo, JP
Kunihiko Nakamura · Kariya, JP
Noriyoshi Umeda · Soma, JP
Yoshiaki Shiotari · Shizuoka, JP
Satoshi Mita · Ibaraki, JP
Tetsuya Ida · Mishima, JP

Key dates

Filing date	Jul 30, 2014
Grant date	Mar 15, 2016
Priority date	—
Expiry date	Sep 29, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/08797
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Provided is a toner has toner particle containing a crystalline polyester resin A, an amorphous resin B and a colorant, wherein (1) the crystalline polyester resin A is a resin that has a crystal nucleating agent segment (D) on the end of a polyester molecular chain (C), (2) the amorphous resin (B) is a hybrid resin in which a polyester unit (E) and a vinyl polymer unit (F) are chemically bonded, and (3) the SP value of the polyester molecular chain (C) (Sc), the SP value of the crystal nucleating agent segment (D) (Sd), the SP value of the polyester unit (E) (Se) and the SP value of the vinyl polymer unit (F) (Sf) satisfy specific relationships.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.