US5081236A
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Electrophotographic plate containing naphthalocyanines which contain siloxy groups
Assignee: Resonac Corp
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Filing: 1989-05-03
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Granted: 1992-01-14
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Expires: 2009-05-03
Abstract
Abstract An electrophotographic plate comprising an electroconductive support and a photoconductive layer containing a naphthalocyanine compound having siloxy groups bonded to the central metal silicon as a charge generating substance has high sensitivity to the longer wavelength light of about 800 nm without conducting a special treatment. The naphthalocyanine compound having siloxy groups bonded to the central metal silicon has the following formula: ##STR1## wherein L is a group of the formula: R 1 R 2 R 3 Si--O--; and R 1 , R 2 and R 3 are independently hydrogen, an alkyl group or an alkoxy group.
Inventors
- 👤 Shigeru Hayashida
- 👤 Seiji Tai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:34
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/045; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/06; C07F7/08; C07F7/0834; C07F7/0838; C09B47/06; C09B47/073; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0696
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
102 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR7## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source with a wavelength of about 800 nm.
Claim 2
Dependent Claim
102 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR7## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source with a wavelength of about 800 nm.
Claim 3
Dependent Claim
100 words
A bis (trialkylsiloxy) silicon naphthalocyanine as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR8## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; and R 1 , R 2 and R 3 are independently an alkyl group having 1-3 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source with a wavelength of about 800 nm.
Claim 4
Dependent Claim
100 words
A bis (trialkylsiloxy) silicon naphthalocyanine as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR8## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; and R 1 , R 2 and R 3 are independently an alkyl group having 1-3 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source with a wavelength of about 800 nm.
Claim 5
Dependent Claim
19 words
A naphthalocyanine compound according to claim 1, wherein said alkoxy group is an alkoxy group having 1-12 carbon atoms.
Claim 6
Dependent Claim
19 words
A naphthalocyanine compound according to claim 1, wherein said alkoxy group is an alkoxy group having 1-2 carbon atoms.
Claim 7
Dependent Claim
11 words
A naphthalocyanine compound according to claim 2, which is bis(trimethylsiloxy)silicon naphthalocyanine.
Claim 8
Dependent Claim
11 words
A naphthalocyanine compound according to claim 2, which is bis(triethylsiloxy)silicon naphthalocyanine.
Claim 9
Dependent Claim
11 words
A naphthalocyanine compound according to claim 2, which is bis(tripropylsiloxy)silicon naphthalocyanine.
Claim 10
Dependent Claim
11 words
A naphthalocyanine compound according to claim 2, which is bis(tributylsiloxy)silicon naphthalocyanine.
Claim 11
Dependent Claim
98 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR9## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; and R 1 , R 2 and R 3 are independently an alkyl group having 1-3 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source with a wavelength of about 800 nm.
Claim 12
Dependent Claim
98 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR9## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; and R 1 , R 2 and R 3 are independently an alkyl group having 1-3 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source with a wavelength of about 800 nm.
Claim 13
Dependent Claim
11 words
A naphthalocyanine compound according to claim 9, which is bis(dimethoxymethylsiloxy)silicon naphthalocyanine.
Claim 14
Dependent Claim
28 words
A naphthalocyanine compound according to claim 1, wherein at least one of R 1 , R 2 and R 3 is an alkoxy group, having 1-2 carbon atoms.
Claim 15
Dependent Claim
33 words
A naphthalocyanine compound according to claim 1, wherein at least one of R 1 , R 2 and R 3 is an alkoxy group, and wherein the alkoxy groups have 1-12 carbon atoms.
Claim 16
Dependent Claim
15 words
A naphthalocyanine compound according to claim 9, wherein the alkoxy groups have 1-12 carbon atoms.
Claim 17
Dependent Claim
15 words
A naphthalocyanine compound according to claim 13, wherein the alkoxy groups have 1-2 carbon atoms.
Claim 18
Dependent Claim
130 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR10## wherein L is a group of formula: R 1 R 2 R 3 Si-O-; at least one of R 1 , R 2 and R 3 is an alkoxy group, and the rest of R 1 , R 2 and R 3 are selected from alkoxy groups and alkyl groups, the alkyl groups having 1-3 carbon atoms, and the alkoxy groups having 1-12 carbon toms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 19
Dependent Claim
130 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR10## wherein L is a group of formula: R 1 R 2 R 3 Si-O-; at least one of R 1 , R 2 and R 3 is an alkoxy group, and the rest of R 1 , R 2 and R 3 are selected from alkoxy groups and alkyl groups, the alkyl groups having 1-3 carbon atoms, and the alkoxy groups having 1-12 carbon toms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 20
Dependent Claim
128 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR11## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group, wherein at least one of R 1 , R 2 and R 3 is an alkoxy group, and wherein the alkoxy groups have 1-12 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 21
Dependent Claim
128 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR11## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group, wherein at least one of R 1 , R 2 and R 3 is an alkoxy group, and wherein the alkoxy groups have 1-12 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 22
Dependent Claim
124 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR12## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group, and wherein at least one of R 1 , R 2 and R 3 is an alkoxy group, having 1-2 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 23
Dependent Claim
124 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR12## wherein L is a group of the formula: R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group, and wherein at least one of R 1 , R 2 and R 3 is an alkoxy group, having 1-2 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 24
Dependent Claim
106 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR13## wherein L is a group of the formula R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group having 1-12 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 25
Dependent Claim
106 words
A naphthalocyanine compound as a charge generating material of a photoconductive layer for an electrophotographic plate, represented by the formula: ##STR13## wherein L is a group of the formula R 1 R 2 R 3 Si-O-; R 1 , R 2 and R 3 are independently hydrogen, an alkyl group having 1-3 carbon atoms or an alkoxy group having 1-12 carbon atoms, whereby the charge generating material has sufficient sensitivity to long wavelength light of about 800 nm, so as to act as a charge generating material of a photoconductive layer for an electrophotographic plate using a light source having a wavelength of about 800 nm.
Claim 26
Dependent Claim
19 words
A naphthalocyanine compound according to claim 1, wherein said alkoxy group is an alkoxy group having 1-2 carbon atoms.
Claim 27
Dependent Claim
15 words
A naphthalocyanine compound according to claim 16, wherein the alkoxy groups have 1-2 carbon atoms.
Claim 28
Dependent Claim
15 words
A naphthalocyanine compound according to claim 18, wherein the alkoxy group has 1-2 carbon atoms.
References Cited (Backward Citations)
US4131609A
Cited
US4725525A
Cited
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