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US3719486A
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Photoconductive elements containing organo-metallic photoconductors
Assignee: Eastman Kodak Co
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Filing: 1971-06-17
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Granted: 1973-03-06
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Expires: 1991-06-17
Abstract
Abstract Photoconductive compositions and elements containing a Group Va organo-metallic photoconductive compound.
Inventors
- 👤 M Goldman
- 👤 A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0601; G03G5/062; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/22; C07F7/2208; C07F7/24; C07F9/00; C07F9/66; C07F9/70; C07F9/94; G03G5/0662
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
41 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film- forming polymeric binder and a Group Va organo-metallic photoconductive compound having attached to a Group Va metal atom at least one amino-aryl group.
Claim 2
Dependent Claim
41 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film- forming polymeric binder and a Group Va organo-metallic photoconductive compound having attached to a Group Va metal atom at least one amino-aryl group.
Claim 3
Dependent Claim
66 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a Group Va organo-metallic photoconductive compound having attached to a Group Va metal atom (1) at least one amino-aryl group, and (2) at least one substituent selected from the group consisting of a hydrogen atom, an oxygen atom, an alkyl radical and an aryl radical.
Claim 4
Dependent Claim
66 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a Group Va organo-metallic photoconductive compound having attached to a Group Va metal atom (1) at least one amino-aryl group, and (2) at least one substituent selected from the group consisting of a hydrogen atom, an oxygen atom, an alkyl radical and an aryl radical.
Claim 5
Dependent Claim
71 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: T is an amino radical; Ar is an aryl radical; Mb is a Group Va metal; and E and J are selected from the group consisting of a hydrogen atom, an alkyl radical, an aryl radical and, when taken together, an oxygen atom.
Claim 6
Dependent Claim
71 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: T is an amino radical; Ar is an aryl radical; Mb is a Group Va metal; and E and J are selected from the group consisting of a hydrogen atom, an alkyl radical, an aryl radical and, when taken together, an oxygen atom.
Claim 7
Dependent Claim
91 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: T is an amino radical; Ar is an aryl radical; M is a Group Va metal; and L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical and an aryl radical; and E and J are each selected from the group consisting of an alkyl radical, an aryl radical and, when taken together, an oxygen atom.
Claim 8
Dependent Claim
91 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: T is an amino radical; Ar is an aryl radical; M is a Group Va metal; and L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical and an aryl radical; and E and J are each selected from the group consisting of an alkyl radical, an aryl radical and, when taken together, an oxygen atom.
Claim 9
Dependent Claim
63 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a Group Va organo-metallic photoconductive compound having attached to a Group Va metal atom (1) at least one amino-aryl group, and (2) at least one substituent selected from the group consisting of a hydrogen atom, an oxygen atom, an alkyl radical and an aryl radical.
Claim 10
Dependent Claim
63 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a Group Va organo-metallic photoconductive compound having attached to a Group Va metal atom (1) at least one amino-aryl group, and (2) at least one substituent selected from the group consisting of a hydrogen atom, an oxygen atom, an alkyl radical and an aryl radical.
Claim 11
Dependent Claim
87 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a photoconductor represented by the formula: wherein: T is an amino radical; Ar is an aryl radical; Mb is a Group Va metal; L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical and an aryl radical; and E and J are each selected from the group consisting of an alkyl radical, an aryl radical and, when taken together, an oxygen atom.
Claim 12
Dependent Claim
87 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a photoconductor represented by the formula: wherein: T is an amino radical; Ar is an aryl radical; Mb is a Group Va metal; L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical and an aryl radical; and E and J are each selected from the group consisting of an alkyl radical, an aryl radical and, when taken together, an oxygen atom.
Claim 13
Dependent Claim
95 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carbon atoms; R3 is selected from the group consisting of a hydrogen atom and an alkyl radical having one to eight carbon atoms; Mb is a Group Va metal; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 14
Dependent Claim
95 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carbon atoms; R3 is selected from the group consisting of a hydrogen atom and an alkyl radical having one to eight carbon atoms; Mb is a Group Va metal; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 15
Dependent Claim
25 words
The photoconductive composition of claim 7 wherein the photoconductor is sensitized with a compound selected from the group consisting of pyrylium, thiapyrylium and selenapyrylium salts.
Claim 16
Dependent Claim
101 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carboN atoms; Mb is a Group Va metal; L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical having one to eight carbon atoms and a phenyl radical; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 17
Dependent Claim
101 words
A photoconductive composition comprising an electrically insulating, film-forming polymeric binder containing at least 1 percent by weight of a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carboN atoms; Mb is a Group Va metal; L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical having one to eight carbon atoms and a phenyl radical; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 18
Dependent Claim
25 words
The photoconductive composition of claim 9 wherein the photoconductor is sensitized with a compound selected from the group consisting of pyrylium, thiapyrylium and selenapyrylium salts.
Claim 19
Dependent Claim
98 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carbon atoms; R3 is selected from the group consisting of a hydrogen atom and an alkyl radical having one to eight carbon atoms; Mb is a Group Va metal; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 20
Dependent Claim
98 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carbon atoms; R3 is selected from the group consisting of a hydrogen atom and an alkyl radical having one to eight carbon atoms; Mb is a Group Va metal; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 21
Dependent Claim
25 words
The electrophotographic element of claim 11 wherein the photoconductor is sensitized with a compound selected from the group consisting of pyrylium, thiapyrylium and selenapyrylium salts.
Claim 22
Dependent Claim
104 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carbon atoms; Mb is a Group Va metal; L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical having one to eight carbon atoms and a phenyl radical; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 23
Dependent Claim
104 words
An electrophotographic element comprising an electrically conducting support having thereon a photoconductive composition comprising an electrically insulating, film-forming polymeric binder and a photoconductor represented by the formula: wherein: R1 and R2 are alkyl radicals having one to eight carbon atoms; Mb is a Group Va metal; L and Q are each selected from the group consisting of a hydrogen atom, an alkyl radical having one to eight carbon atoms and a phenyl radical; and E and J are each selected from the group consisting of an alkyl radical having one to eight carbon atoms, a phenyl radical and, when taken together, an oxygen atom.
Claim 24
Dependent Claim
25 words
The electrophotographic element of claim 13 wherein the photoconductor is sensitized with a compound selected from the group consisting of pyrylium, thiapyrylium and selenapyrylium salts.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |