US Patent No: 7,476,477

Number of patents in Portfolio can not be more than 2000

Thiophosphate containing photoconductors

ALSO PUBLISHED AS: 20070292786

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Importance

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Abstract

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An imaging member containing an optional supporting substrate, a photogenerating layer and at least one charge transport layer, and wherein the at least one charge transport layer contains at least one thiophosphate, and wherein the thiophosphate is present in an amount of from about 0.005 to about 0.09 weight percent.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
XEROX CORPORATIONSTAMFORD, CT18594

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foley, Geoffrey M T Fairport, NY 93 514
Lin, Liang-Bih Rochester, NY 282 789
Savage, Edward C Webster, NY 45 103
Wu, Jin Webster, NY 763 1330

Cited Art Landscape

Patent Info (Count) # Cites Year
 
XEROX CORPORATION (19)
4,265,990 Imaging system with a diamine charge transport material in a polycarbonate resin 668 1978
4,273,846 Imaging member having a charge transport layer of a terphenyl diamine and a polycarbonate resin 62 1979
4,338,390 Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser 372 1980
4,464,450 Multi-layer photoreceptor containing siloxane on a metal oxide layer 230 1982
4,555,463 Photoresponsive imaging members with chloroindium phthalocyanine compositions 101 1984
4,560,635 Toner compositions with ammonium sulfate charge enhancing additives 276 1984
4,587,189 Photoconductive imaging members with perylene pigment compositions 311 1985
4,921,769 Photoresponsive imaging members with polyurethane blocking layers 117 1988
4,921,773 Process for preparing an electrophotographic imaging member 165 1988
5,473,064 Hydroxygallium phthalocyanine imaging members and processes 163 1993
5,521,306 Processes for the preparation of hydroxygallium phthalocyanine 126 1994
5,482,811 Method of making hydroxygallium phthalocyanine type V photoconductive imaging members 146 1994
6,177,219 Blocking layer with needle shaped particles 84 1999
6,156,468 Blocking layer with light scattering particles having rough surface 89 2000
6,255,027 Blocking layer with light scattering particles having coated core 90 2000
6,913,863 Photoconductive imaging members 130 2003
7,037,631 Photoconductive imaging members 60 2003
2006/0105,254 Processes for the preparation of high sensitivity titanium phthalocyanines photogenerating pigments 57 2004
2007/0026,330 Photoreceptor layer having solid and liquid lubricants 20 2005
 
ELTECH SYSTEMS CORPORATION (1)
4,298,697 Method of making sheet or shaped cation exchange membrane 127 1979
 
RICOH COMPANY, LTD. (1)
6,573,016 Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same 36 2001
 
SAMSUNG ELECTRONICS CO., LTD. (1)
2005/0175,363 Optical antenna and wireless optical system using the same 2004

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
XEROX CORPORATION (3)
7,785,756 Overcoated photoconductors with thiophosphate containing charge transport layers 0 2006
7,851,112 Thiophosphate containing photoconductors 0 2006
7,799,494 Polyhedral oligomeric silsesquioxane thiophosphate containing photoconductors 5 2006

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