Patent · US Active

Developer carrying member and developing unit

US8628846B2 · kind B2 · utility

4Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 2013
Grant dateJan 14, 2014
Priority date
Expiry dateJan 17, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31504
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Provided is a developer carrying member that can stably provide a negatively chargeable developer with triboelectric charge and whose surface hardly wears even after its long-term use. The developer carrying member is a developer carrying member, comprising: a substrate; and a surface layer, wherein: the surface layer contains a matrix resin and electro-conductive particles; and the matrix resin contains a crosslinked product of a polymer chain having units represented by the following structural formula (1) and the following structural formula (2), and a polymer chain represented by the following structural formula (3).

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