US4012292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image recording member
Assignee: Canon Inc
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Filing: 1975-09-23
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Granted: 1977-03-15
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Expires: 1995-09-23
Abstract
Abstract An image recording member comprises a support and a recording layer overlying the support and mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of an electronic conductive material and a compound containing zeolitic water, and an image can be electrically recorded by using said image recording member.
Inventors
- 👤 Takutoshi Fujiwara
- 👤 Yasushi Takatori
- 👤 Masahiro Haruta
- 👤 Akemi Shimosawa
- 👤 Katsuhiko Nishide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/20; B41M5/205
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
163 words
An image recording member which comprises a support and a recording layer overlying the support, said recording layer being mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of a compound containing zeolitic water and an electrically conductive material selected from the group consisting of finely divided metal powders, metal oxides selected from PbO, ZnO, MgO, Ni 2 O 3 , CdO, Fe 2 O 3 , Ag 2 O, HgO, Bi 2 O 3 , CeO, V 2 O 5 , Sb 2 O 5 , SnO 2 , BaTiO 3 , In 2 O 3 , Nb 2 O 5 , MnO 2 and La 2 O 3 , metal sulfates, metal halides, metal carbonates, metal carbide and intermetallic compounds doped with a metal, wherein the amount of the electrically conductive material is between 5-70% by weight based on the compound containing zeolitic water.
Claim 2
Dependent Claim
163 words
An image recording member which comprises a support and a recording layer overlying the support, said recording layer being mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of a compound containing zeolitic water and an electrically conductive material selected from the group consisting of finely divided metal powders, metal oxides selected from PbO, ZnO, MgO, Ni 2 O 3 , CdO, Fe 2 O 3 , Ag 2 O, HgO, Bi 2 O 3 , CeO, V 2 O 5 , Sb 2 O 5 , SnO 2 , BaTiO 3 , In 2 O 3 , Nb 2 O 5 , MnO 2 and La 2 O 3 , metal sulfates, metal halides, metal carbonates, metal carbide and intermetallic compounds doped with a metal, wherein the amount of the electrically conductive material is between 5-70% by weight based on the compound containing zeolitic water.
Claim 3
Dependent Claim
18 words
An image recording member according to claim 1 in which the compound containing zeolitic water is a zeolite.
Claim 4
Dependent Claim
36 words
An image recording member according to claim 1, in which the compound containing zeolitic water is a zeolite selected from the class of analcime group, sodalite group, chabazite group, natrolite group, harmotome group and mordenite group.
Claim 5
Dependent Claim
19 words
An image recording member according to claim 1 in which the compound containing zeolitic water is an artificial zeolite.
Claim 6
Dependent Claim
17 words
An image recording member according to claim 1 in which the electronic conductive material is metal powder.
Claim 7
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is a metal compound.
Claim 8
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is a metal oxide.
Claim 9
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is a metal sulfate.
Claim 10
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is a metal halide.
Claim 11
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is a metal sulfide.
Claim 12
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is a metal carbonate.
Claim 13
Dependent Claim
18 words
An image recording member according to claim 1 in which the electronic conductive material is an intermetallic compound.
Claim 14
Dependent Claim
24 words
An image recording member according to claim 1 in which the electronic conductive material is a pigment to which a conductive film is attached.
Claim 15
Dependent Claim
28 words
An image recording member according to claim 1 in which the amount of the electronic conductive material is 10-50% by weight based on the compound containing zeolitic water.
Claim 16
Dependent Claim
14 words
An image recording member according to claim 1 in which the support is conductive.
Claim 17
Dependent Claim
33 words
An image recording member according to claim 1 in which the component capable of forming images when electric current is applied is a combination of a dye leuco body and a phenolic compound.
Claim 18
Dependent Claim
126 words
An image recording member which comprises a conductive support and a recording layer overlying the conductive support, said recording layer being mainly composed of a binder, a component capable of forming images when electric current is applied thereto, and a conductive component composed of a mixture of a zeolite and a metal oxide selected from PbO, ZnO, MgO, Ni2O 3 CdO, Fe 2 O 3 Ag 2 O, HgO, Bi 2 O 3 CeO, V 2 O 5 , Sb 2 O 5 , SnO 2 , BaTiO 3 , In 2 O 3 Nb 2 O 5 , MnO 2 and La 2 O 3 , wherein the ratio of the zeolite to the metal oxide is in the range of between 6:1 and 7.5:1.
Claim 19
Dependent Claim
126 words
An image recording member which comprises a conductive support and a recording layer overlying the conductive support, said recording layer being mainly composed of a binder, a component capable of forming images when electric current is applied thereto, and a conductive component composed of a mixture of a zeolite and a metal oxide selected from PbO, ZnO, MgO, Ni2O 3 CdO, Fe 2 O 3 Ag 2 O, HgO, Bi 2 O 3 CeO, V 2 O 5 , Sb 2 O 5 , SnO 2 , BaTiO 3 , In 2 O 3 Nb 2 O 5 , MnO 2 and La 2 O 3 , wherein the ratio of the zeolite to the metal oxide is in the range of between 6:1 and 7.5:1.
Claim 20
Dependent Claim
184 words
A process for electrically recording an image by the application of electric current, which comprises the step of applying electric current to an image recording member which comprises a support and a recording layer overlying the support, said recording layer being mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of a compound containing zeolitic water and an electrically conductive material selected from the group consisting of finely divided metal powders, metal oxides selected from PbO, ZnO, MgO, Ni 2 O 3 , CdO, Fe 2 O 3 Ag 2 O, HgO, Bi 2 O 3 , CeO, V 2 O 5 , Sb 2 O 5 , SnO 2 , BaTiO 3 , In 2 O 3 , Nb 2 O 5 , MnO 2 and La 2 O 3 , metal sulfates, metal halides, metal carbonates, metal carbide and intermetallic compounds doped with a metal, wherein the amount of the electrically conductive material is between 5-70% by weight based on the compound containing zeolitic water.
Claim 21
Dependent Claim
184 words
A process for electrically recording an image by the application of electric current, which comprises the step of applying electric current to an image recording member which comprises a support and a recording layer overlying the support, said recording layer being mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of a compound containing zeolitic water and an electrically conductive material selected from the group consisting of finely divided metal powders, metal oxides selected from PbO, ZnO, MgO, Ni 2 O 3 , CdO, Fe 2 O 3 Ag 2 O, HgO, Bi 2 O 3 , CeO, V 2 O 5 , Sb 2 O 5 , SnO 2 , BaTiO 3 , In 2 O 3 , Nb 2 O 5 , MnO 2 and La 2 O 3 , metal sulfates, metal halides, metal carbonates, metal carbide and intermetallic compounds doped with a metal, wherein the amount of the electrically conductive material is between 5-70% by weight based on the compound containing zeolitic water.
Claim 22
Dependent Claim
27 words
A process according to claim 18 in which a recording electrode and a return electrode are provided on the recording layer and electric current is applied therebetween.
Claim 23
Dependent Claim
21 words
A process according to claim 18 in which the conductive component is a mixture of a zeolite and a metal oxide.
Claim 24
Dependent Claim
27 words
A process according to claim 20 in which a recording electrode and a return electrode are provided on the recording layer and electric current is applied therebetween.
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) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |