Patent · US Expired

Positively chargeable toner

US7442480B2 · kind B2 · utility

2Cited by

13References

13Claims

0Family size

Assignee

KAO CORPORATION · JP

Inventors

Yutaka Kanamaru · Kamakura, JP
Masahito Yamazaki · Wakayama, JP
Jiro Takemoto · Wakayama, JP

Key dates

Filing date	Apr 22, 2003
Grant date	Oct 28, 2008
Priority date	—
Expiry date	Apr 22, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/09775
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A positively chargeable toner comprising a resin binder, a specified compound represented by the formula (I), and a higher fatty acid with a long-chain alkyl group having 8 to 22 carbon atoms and/or a metal salt thereof. The positively chargeable toner is a positively chargeable toner used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

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