US Patent No: 7,666,560

Number of patents in Portfolio can not be more than 2000

Imaging member

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Importance

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Abstract

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An imaging member includes a charge generating layer and a charge transport layer. The charge transport layer includes a first surface in contact with the charge generating layer and a second surface. The charge transport layer includes a film forming polymer binder and a charge transport component dispersed therein. The concentration of the charge transport component in the charge transport layer is at a peak in a region of the charge transport intermediate the first and second surfaces of the charge transport layer.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
XEROX CORPORATIONSTAMFORD, CT13881

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carmichael, Kathleen M Williamson, US 129 1005
Domm, Edward Hilton, US 3 6
Evans, Kent Lima, US 13 124
Horgan, Anthony M Pittsford, US 101 1250
Junginger, Johann Toronto, CA 30 51
Liebermann, George Mississauga, CA 47 886
Mishra, Satchidanand Webster, US 126 1216
Post, Richard L Penfield, US 58 703
Prosser, Dennis J Walworth, US 28 128
Zak, Michael Canandaigua, US 5 9

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Minolta Camera Kabushiki Kaisha (1)
5,308,727 Photosensitive member excellent in antioxidation 13 1991
 
XEROX CORPORATION (30)
4,299,897 Aromatic amino charge transport layer in electrophotography 114 1980
4,286,033 Trapping layer overcoated inorganic photoresponsive device 219 1980
4,338,387 Overcoated photoreceptor containing inorganic electron trapping and hole trapping layers 222 1981
4,439,507 Layered photoresponsive imaging device with photogenerating pigments dispersed in a polyhydroxy ether composition 114 1982
4,587,189 Photoconductive imaging members with perylene pigment compositions 328 1985
4,664,995 Electrostatographic imaging members 183 1985
* 5,055,366 Polymeric protective overcoatings contain hole transport material for electrophotographic imaging members 22 1989
4,988,597 Conductive and blocking layers for electrophotographic imaging members 78 1989
5,830,614 Multilayer organic photoreceptor employing a dual layer of charge transporting polymers 27 1991
5,244,762 Electrophotographic imaging member with blocking layer containing uncrosslinked chemically modified copolymer 70 1992
5,473,064 Hydroxygallium phthalocyanine imaging members and processes 163 1993
5,521,043 Hydroxygallium phthalocyanine pigments with block copolymer binders 19 1995
5,571,649 Electrophotographic imaging member with improved underlayer 16 1996
5,576,130 Photoreceptor which resists charge deficient spots 15 1996
5,591,554 Multilayered photoreceptor with adhesive and intermediate layers 15 1996
5,703,487 Detection of charge deficient spot susceptibility 45 1996
5,607,802 Multilayered photoreceptor with dual underlayers for improved adhesion and reduced micro-defects 4 1996
6,008,653 Contactless system for detecting microdefects on electrostatographic members 41 1997
6,119,536 Constant distance contactless device 37 1997
6,015,645 Photoconductive imaging members 47 1998
6,068,960 Methods to prepare photoreceptors with delayed discharge 8 1998
* 6,127,077 Photoreceptors with delayed discharge 8 1998
6,214,514 Process for fabricating electrophotographic imaging member 57 1999
6,294,300 Charge generation layer for electrophotographic imaging member and a process for making thereof 8 2000
6,255,027 Blocking layer with light scattering particles having coated core 91 2000
* 6,379,853 Electrophotographic imaging member having two charge transport layers for limiting toner consumption 9 2000
6,350,550 Photoreceptor with adjustable charge generation section 4 2001
2004/0115,544 Imaging member 1 2002
* 7,413,835 Imaging members 20 2005
* 7,459,251 Imaging member 1 2005
 
SAMSUNG ELECTRONICS CO., LTD. (1)
2005/0175,363 Optical antenna and wireless optical system using the same 0 2004
 
Canon Kabushiki Kaisha (1)
* 4,424,267 Electrophotographic image holding member 4 1982
* Cited By Examiner

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Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00