US Patent No: 7,354,685
Number of patents in Portfolio can not be more than 2000
Photoconductive imaging members
Stats
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Apr 8, 2008
Issued date -
Jan 26, 2005
filing date -
11/043,716
serial no -
In Force
status
Importance
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Abstract
A photoconductive member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer comprised of a polymer with a low dielectric constant and a charge transport component.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,265,990 Imaging system with a diamine charge transport material in a polycarbonate resin | 638 | 1978 | |
| 4,555,463 Photoresponsive imaging members with chloroindium phthalocyanine compositions | 99 | 1984 | |
| 4,587,189 Photoconductive imaging members with perylene pigment compositions | 283 | 1985 | |
| 4,921,769 Photoresponsive imaging members with polyurethane blocking layers | 110 | 1988 | |
| 5,473,064 Hydroxygallium phthalocyanine imaging members and processes | 159 | 1993 | |
| 5,521,043 Hydroxygallium phthalocyanine pigments with block copolymer binders | 18 | 1995 | |
| 6,015,645 Photoconductive imaging members | 46 | 1998 | |
| 6,177,219 Blocking layer with needle shaped particles | 82 | 1999 | |
| 6,156,468 Blocking layer with light scattering particles having rough surface | 86 | 2000 | |
| 6,255,027 Blocking layer with light scattering particles having coated core | 87 | 2000 | |
| 6,287,737 Photoconductive imaging members | 45 | 2000 | |
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| 6,289,190 Electrophotographic apparatus and process cartridge | 11 | 1999 | |
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| 2005/0175,363 Optical antenna and wireless optical system using the same | 2004 | ||
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 8, 2015 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 8, 2019 |
| Fee | Large entity fee | small entity fee | micro entity fee |
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