Patent · US Active

Developer carrying member, process cartridge, and electrophotographic apparatus

US11029622B2 · kind B2 · utility

1Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2020
Grant dateJun 8, 2021
Priority date
Expiry dateMar 4, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/1814
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Provided is a developer carrying member that enables stable formation of images of high quality even on recording paper having a high talc content. The developer carrying member includes a conductive base member and a surface layer, wherein the surface layer includes a urethane resin, and the urethane resin has a carbonate bond and a tertiary amine structure.

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