Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment
US9921499B2 · kind B2 · utility
1Cited by
2References
8Claims
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Key dates
| Filing date | Oct 26, 2016 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Oct 26, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0026
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An electrophotographic photosensitive member includes a substrate and a photosensitive layer containing a phthalocyanine pigment. The crystalline particles of the phthalocyanine pigment have a crystallite correlation length r and a particle size R of 400 nm or less, and a parameter k defined by r/R is in the range of 0.17 to 0.42.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.