Patent · US Active

Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

US11733618B2 · kind B2 · utility

0Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 2020
Grant dateAug 22, 2023
Priority date
Expiry dateJan 26, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L67/02
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrostatic image developing toner includes an amorphous polyester resin, a crystalline polyester resin, and C.I. Pigment Red 57:1, wherein a Net intensity NMg of an Mg element, the Net intensity NMg of being determined by X-ray fluorescence analysis, is 0.10 kcps or more and 0.40 kcps or less.

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