Patent US1386242A successfully refreshed from Google Patents.
Patent US4971874A successfully refreshed from Google Patents.
US4971874A
Expired / Lapsed
US
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Photosensitive member with a styryl charge transporting material
Assignee: Minolta Co Ltd
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Filing: 1989-12-20
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Granted: 1990-11-20
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Expires: 2009-12-20
Abstract
Abstract The present invention relates to a photosensitive member containing a specific styryl compound for a charge transporting material, which is improved in photographic propertied such as photosensitivity and repeating properties.
Inventors
- 👤 Hideaki Ueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:07
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0631; G03G5/0601; G03G5/0605; G03G5/0609; G03G5/0612; G03G5/0614; G03G5/06142; G03G5/06147; G03G5/061473; G03G5/0629; G03G5/0635; G03G5/0637; G03G5/0644; G03G5/0661
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
200 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (I); ##STR25## wherein Ar 1 and Ar 4 are independently hydrogen, or an alkyl group, an aralkyl group, an aryl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; Ar 2 and Ar 3 are independently an alkyl group, an aralkyl group, an aryl group, an aromatic polycyclic group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; Ar 5 and Ar 6 are independently hydrogen, or an alkyl group, a phenyl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group, but Ar 5 and Ar 6 are independently an alkyl group, a phenyl group or an aromatic heterocyclic group when said Ar 1 and Ar 4 are both hydrogen; A is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 2
Dependent Claim
200 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (I); ##STR25## wherein Ar 1 and Ar 4 are independently hydrogen, or an alkyl group, an aralkyl group, an aryl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; Ar 2 and Ar 3 are independently an alkyl group, an aralkyl group, an aryl group, an aromatic polycyclic group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; Ar 5 and Ar 6 are independently hydrogen, or an alkyl group, a phenyl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group, but Ar 5 and Ar 6 are independently an alkyl group, a phenyl group or an aromatic heterocyclic group when said Ar 1 and Ar 4 are both hydrogen; A is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 3
Dependent Claim
21 words
A photosensitive member of claim 1, in which the photoconductive layer comprises a charge generating layer and a charge transporting layer.
Claim 4
Dependent Claim
26 words
A photosensitive member of claim 1, in which the photoconductive layer comprises the charge generating material and the charge transporting material dispersed in a binder resin.
Claim 5
Dependent Claim
15 words
A photosensitive member of claim 2, in which the charge generating layer comprises azo pigments.
Claim 6
Dependent Claim
15 words
A photosensitive member of claim 2, in which the charge generating layer comprises phthalocyanine pigments.
Claim 7
Dependent Claim
19 words
A photosensitive member of claim 2, in which the charge transporting layer is formed on the charge generating layer.
Claim 8
Dependent Claim
17 words
A photosensitive member of claim 2, in which the charge transporting layer has 3-30 μm in thickness.
Claim 9
Dependent Claim
21 words
A photosensitive member of claim 2 or claim 3, in which an intermediate layer is formed on the electrically conductive substrate.
Claim 10
Dependent Claim
15 words
A photosensitive member of claim 2 or claim 3, which has a surface protective layer.
Claim 11
Dependent Claim
14 words
A photosensitive member of claim 3, in which the photoconductive layer comprises phthalcyanine pigments.
Claim 12
Dependent Claim
290 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (I); ##STR26## wherein Ar 1 and Ar 4 are independently an alkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a dialkylamino group, dialkylamino group, an alkyl group or an alkoxy group, an aromatic heterocyclic group which may have a substituent excluding a cyano group, or hydrogen; Ar 2 and Ar 3 are independently an alkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a substituent excluding a cyano group, an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic heterocyclic group which may have a substituent excluding a cyano group, or an aromatic polycyclic group which may have a substituent excluding a cyano group; Ar 5 and Ar 6 are independently hydrogen, an alkyl group which may have a substituent excluding a cyano group, an aromatic heterocyclic group which may have a substituent excluding a cyano group, or a phenyl group which may have halogen, an aklyl group, an alkoxy group or an aralkyl group, but Ar 5 and Ar 6 are independently an alkyl group, an aromatic heterocyclic group or a phenyl group when Ar 1 and Ar 4 are both hydrogen; A is an alkylene group, an aralkylene group, and arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 13
Dependent Claim
290 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (I); ##STR26## wherein Ar 1 and Ar 4 are independently an alkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a dialkylamino group, dialkylamino group, an alkyl group or an alkoxy group, an aromatic heterocyclic group which may have a substituent excluding a cyano group, or hydrogen; Ar 2 and Ar 3 are independently an alkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a substituent excluding a cyano group, an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic heterocyclic group which may have a substituent excluding a cyano group, or an aromatic polycyclic group which may have a substituent excluding a cyano group; Ar 5 and Ar 6 are independently hydrogen, an alkyl group which may have a substituent excluding a cyano group, an aromatic heterocyclic group which may have a substituent excluding a cyano group, or a phenyl group which may have halogen, an aklyl group, an alkoxy group or an aralkyl group, but Ar 5 and Ar 6 are independently an alkyl group, an aromatic heterocyclic group or a phenyl group when Ar 1 and Ar 4 are both hydrogen; A is an alkylene group, an aralkylene group, and arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 14
Dependent Claim
113 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (II); ##STR27## wherein Ar 7 , Ar 8 , Ar 9 and Ar 10 are independently an alkyl group, an aralkyl group, an aryl group, an aromatic polycyclic group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; Ar 1 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 15
Dependent Claim
113 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (II); ##STR27## wherein Ar 7 , Ar 8 , Ar 9 and Ar 10 are independently an alkyl group, an aralkyl group, an aryl group, an aromatic polycyclic group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; Ar 1 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 16
Dependent Claim
136 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (II); ##STR28## wherein Ar 7 , Ar 8 , Ar 9 and Ar 10 are independently an alkyl group, an aralkyl group, an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic polycyclic group which may have a substituent excluding a cyano group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group; Ar 1 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 17
Dependent Claim
136 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (II); ##STR28## wherein Ar 7 , Ar 8 , Ar 9 and Ar 10 are independently an alkyl group, an aralkyl group, an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic polycyclic group which may have a substituent excluding a cyano group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group; Ar 1 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 18
Dependent Claim
118 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (III); ##STR29## wherein Ar 11 and Ar 12 are independently an alkyl group, an aromatic polycyclic or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; R 1 is an alkyl group, an aryl group or an aralkyl group, each of which may have a substituent excluding a cyano group; A 2 is an alkylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 19
Dependent Claim
118 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (III); ##STR29## wherein Ar 11 and Ar 12 are independently an alkyl group, an aromatic polycyclic or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; R 1 is an alkyl group, an aryl group or an aralkyl group, each of which may have a substituent excluding a cyano group; A 2 is an alkylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 20
Dependent Claim
160 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (III); ##STR30## wherein Ar 11 is an aryl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; A 12 is an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic polycyclic group which may have a substituent excluding a cyano group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group; R 1 is an alkyl group, an arlyl group or an aralkyl group; each of which may have a substituent excluding a cyano group; A 2 is an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 21
Dependent Claim
160 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (III); ##STR30## wherein Ar 11 is an aryl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; A 12 is an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic polycyclic group which may have a substituent excluding a cyano group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group; R 1 is an alkyl group, an arlyl group or an aralkyl group; each of which may have a substituent excluding a cyano group; A 2 is an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 22
Dependent Claim
159 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (IV); ##STR31## wherein Ar 2 and Ar 4 are independently hydrogen, or an alkyl group, an aralkyl group, an aryl group, each of which may have a substituent excluding a cyano group; R 3 and R 5 are independently an aryl group, an aromatic polycyclic group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; R 6 and R 7 are independently an alkly group, an aryl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; A 3 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 23
Dependent Claim
159 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (IV); ##STR31## wherein Ar 2 and Ar 4 are independently hydrogen, or an alkyl group, an aralkyl group, an aryl group, each of which may have a substituent excluding a cyano group; R 3 and R 5 are independently an aryl group, an aromatic polycyclic group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; R 6 and R 7 are independently an alkly group, an aryl group or an aromatic heterocyclic group, each of which may have a substituent excluding a cyano group; A 3 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 24
Dependent Claim
227 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (IV); ##STR32## wherein R 2 and R 4 are independently an alkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a substituent excluding a cyano group, an aryl group which may have a dialkylamino, a dialkylamino group, an alkyl group or an alkoxy group, or hydrogen; R 3 and R 5 are an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic polycyclic group which may have a substituent excluding a cyano group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group; R 6 and R 7 are independently an alkyl group which may have a substituent excluding a cyano group, an aryl group which may have halogen, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group, A 3 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 25
Dependent Claim
227 words
A photosensitive member having a photoconductive layer formed on an electrically conductive substrate, said photoconductive layer comprising a charge generating material and a charge transporting material which comprises a styryl compound which functions substantially as a charge transporting material represented by the following formula (IV); ##STR32## wherein R 2 and R 4 are independently an alkyl group which may have a substituent excluding a cyano group, an aralkyl group which may have a substituent excluding a cyano group, an aryl group which may have a dialkylamino, a dialkylamino group, an alkyl group or an alkoxy group, or hydrogen; R 3 and R 5 are an aryl group which may have a dialkylamino group, a dialkylamino group, an alkyl group or an alkoxy group, an aromatic polycyclic group which may have a substituent excluding a cyano group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group; R 6 and R 7 are independently an alkyl group which may have a substituent excluding a cyano group, an aryl group which may have halogen, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, or an aromatic heterocyclic group which may have a substituent excluding a cyano group, A 3 is an alkylene group, an aralkylene group, an arylene group or a bivalent heterocyclic group, each of which may have a substituent.
Claim 26
Dependent Claim
21 words
A photosensitive member of claim 12, in which the photoconductive layer comprises a charge generating layer and a charge transporting layer.
Claim 27
Dependent Claim
26 words
A photosensitive member of claim 12, in which the photoconductive layer comprises the charge generating material and the charge transporting material dispersed in a binder resin.
Claim 28
Dependent Claim
21 words
A photosensitive member of claim 14, in which the photoconductive layer comprises a charge generating layer and a charge transporting layer.
Claim 29
Dependent Claim
26 words
A photosensitive member of claim 14, in which the photoconductive layer comprises the charge generating material and the charge transporting material dispersed in a binder resin.
Claim 30
Dependent Claim
21 words
A photosensitive member of claim 16, in which the photoconductive layer comprises a charge generating layer and a charge transporting layer.
Claim 31
Dependent Claim
26 words
A photosensitive member of claim 16, in which the photoconductive layer comprises the charge generating material and the charge transporting material dispersed in a binder resin.
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