US4983741A
Expired / Lapsed
US
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1,2,4,5-benzoylenebis(naphtho[2,3-d]imidazole) compounds and photosensitive members containing them
Assignee: Sharp Corp
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Filing: 1988-12-08
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Granted: 1991-01-08
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Expires: 2008-12-08
Abstract
Abstract 1,2,4,5-Benzoylenebis(naphtho[2,3-d]imidazole compounds of the following formula (I) or (II): ##STR1## wherein R and R' each are a hydrogen atom, a halogen atom, a hydroxyl group, a carboxyl group which may be esterified, a sulfonic acid group which may be esterified, a lower alkyl group, a lower alkenyl group, a lower alkoxy group, an aryl group which may be substituted, an aralkyl group which may be substituted, a carbamoyl group which may be substituted or a sulfamoyl group which may be substituted and m and n each are an integer of 1 or 2, and photosensitive members for electrophotography having a photosensitive layer containing these compounds.
Inventors
- 👤 Satoshi Katayama
- 👤 Eiji Imada
- 👤 Shuhei Tsuchimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:38
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/22; C09; C09B; C09B57/00; C09B57/12; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0644; G03G5/0646; G03G5/0659
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
94 words
1,2,4,5-Benzoylenebis (naphtho[2,3-d]imidazole) compounds of the following formula (I) or (II): ##STR16## wherein R and R' each are a hydrogen atom, a halogen atom, a hydroxyl group, a carboxyl group which may be esterified, a sulfonic acid group which may be esterified, a lower alkyl group, a lower alkenyl group, a lower alkoxy group, an aryl group which may be substituted, an aralkyl group which may be substituted, a carbamoyl group which may be substituted or a sulfamoyl group which may be substituted and m and n each are an integer of 1 or 2.
Claim 2
Dependent Claim
94 words
1,2,4,5-Benzoylenebis (naphtho[2,3-d]imidazole) compounds of the following formula (I) or (II): ##STR16## wherein R and R' each are a hydrogen atom, a halogen atom, a hydroxyl group, a carboxyl group which may be esterified, a sulfonic acid group which may be esterified, a lower alkyl group, a lower alkenyl group, a lower alkoxy group, an aryl group which may be substituted, an aralkyl group which may be substituted, a carbamoyl group which may be substituted or a sulfamoyl group which may be substituted and m and n each are an integer of 1 or 2.
Claim 3
Dependent Claim
14 words
A compound of claim 1, wherein R and R' are each a hydrogen atom.
Claim 4
Dependent Claim
14 words
A compound of claim 1, wherein R and R' are each a halogen atom.
Claim 5
Dependent Claim
12 words
A compound of claim 3, the halogen atom is chlorine or bromine.
Claim 6
Dependent Claim
14 words
A compound of claim 1, wherein R and R' are each a hydroxyl atom.
Claim 7
Dependent Claim
16 words
A compound of claim 1, wherein the lower alkyl group is a methyl or ethyl group.
Claim 8
Dependent Claim
17 words
A compound of claim 1, wherein the lower alkoxyl group is a methoxy, ethoxy or propoxy group.
Claim 9
Dependent Claim
37 words
A compound of claim 1, wherein the aryl group which may be substituted is a phenyl group substituted with a halogen atom, a lower alkyl group, a lower alkoxyl group, a nitro group or a cyano group.
Claim 10
Dependent Claim
32 words
A compound of claim 1, wherein the carbamoyl group which may be substituted is a carbamoyl group substituted by a p-methoxyphenyl group, m-nitrophenyl group, carbazolyl group, 2,5-dimethoxy-4-chlorophenyl group or 3-methoxy dibenzofuranyl group.
Claim 11
Dependent Claim
19 words
A photosensitive member comprising a photosensitive layer containing the compound of any of claims 1-9 on a conductive support.
Claim 12
Dependent Claim
33 words
A photosensitive member of claim 10, wherein the photosensitive layer is a multilayer type, consisting of a charge-generating layer and a charge-transporting layer, the former containing the compound of any of claims 1-9.
Claim 13
Dependent Claim
16 words
A photosensitive member of claim 11, wherein the charge-generating layer is formed to 0.01-20 μm thickness.
Claim 14
Dependent Claim
16 words
A photosensitive member of claim 11, wherein the charge-transporting layer is formed to 2-100 μm thickness.
Claim 15
Dependent Claim
25 words
A compound of claim 8, wherein the aryl group which may be substituted is a phenyl group substituted with a chlorine atom or nitro group.
References Cited (Backward Citations)
US4752561A
Cited
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