Electrophotographic member and electrophotographic image forming apparatus
US12306560B2 · kind B2 · utility
0Cited by
9References
12Claims
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Key dates
| Filing date | Feb 14, 2024 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Feb 14, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/001
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An electrophotographic member having a base layer and a surface layer, wherein the surface layer comprises a binder resin; and a plurality of particles comprising a conductive tin oxide, in the binder resin, a content ratio of the particles comprising a conductive tin oxide, in the surface layer, is 2.0 to 10.0 vol %, and a value of an L function denoting a relationship of a distribution of the particles comprising a conductive tin oxide, as observed from a surface of the surface layer, is always positive in a range of 300 nm to 1 μm of a distance from barycentric coordinates of the particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.