Patent US4173477A successfully refreshed from Google Patents.
US4173477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic material with developer in AzX emulsion and sublayer
Assignee: Fujifilm Holdings Corp
•
Filing: 1977-07-18
•
Granted: 1979-11-06
•
Expires: 1997-07-18
Abstract
Abstract A silver halide photographic material comprising an aluminum support having thereon an anodized aluminum oxide layer and a light sensitive silver halide layer containing a silver halide developing agent thereon with a subbing layer containing at least either a silver halide or a developing agent suitable for a silver halide in an amount less than the quantity contained in the light-sensitive layer, which can be used to produce a relief image possessing high printing durability by successively receiving an image-wise exposure, an alkaline solution development, a washing-off and a drying.
Inventors
- 👤 Keisuke Shiba
- 👤 Kikuo Kubotera
- 👤 Akira Kashiwabara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:14
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/08; B41N1/083; G; G03; G03C; G03C1/00; G03C1/76; G03C1/77; G03F; G03F7/00; G03F7/004; G03F7/06
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
93 words
A silver halide photographic element comprising an aluminum support having thereon an anodized aluminum oxide layer, a subbing layer on the anodized aluminum oxide layer and a silver halide developing agent-containing light sensitive silver halide emulsion layer on the subbing layer, said subbing layer containing a silver halide and a silver halide developing agent in a molar amount less than the amount thereof contained in the light sensitive layer, wherein the said silver halide developing agent is 4-phenyl catechol and wherein said anodized aluminum oxide layer has been subjected to a graining treatment.
Claim 2
Dependent Claim
93 words
A silver halide photographic element comprising an aluminum support having thereon an anodized aluminum oxide layer, a subbing layer on the anodized aluminum oxide layer and a silver halide developing agent-containing light sensitive silver halide emulsion layer on the subbing layer, said subbing layer containing a silver halide and a silver halide developing agent in a molar amount less than the amount thereof contained in the light sensitive layer, wherein the said silver halide developing agent is 4-phenyl catechol and wherein said anodized aluminum oxide layer has been subjected to a graining treatment.
Claim 3
Dependent Claim
23 words
The silver halide photographic element of claim 1, said anodized aluminum oxide layer of the support having been subjected to a graining treatment.
Claim 4
Dependent Claim
22 words
The silver halide photographic element of claim 1, wherein said light-sensitive layer has a thickness from about 0.01 to about 20 μm.
Claim 5
Dependent Claim
23 words
The silver halide photographic element of claim 2, wherein said subbing layer has a thickness of from about 0.01 to about 5 microns.
Claim 6
Dependent Claim
23 words
The silver halide photographic element of claim 1, wherein said subbing layer has a thickness of from about 0.01 to about 5 microns.
Claim 7
Dependent Claim
20 words
The silver halide photographic element of claim 1, wherein said oxide layer has a thickness of about 0.01μ about 15μ.
Claim 8
Dependent Claim
19 words
The silver halide photographic element of claim 1, wherein said oxide layer has a thickness of 0.1μ to 10μ.
Claim 9
Dependent Claim
19 words
The silver halide photographic element of claim 6, wherein said oxide layer has a thickness of 0.1μ to 10μ.
Claim 10
Dependent Claim
21 words
The silver halide photographic element of claim 2, wherein said silver halide has a mean diameter of from 0.04μ to 2μ.
Claim 11
Dependent Claim
20 words
The silver halide photographic element of claim 9, wherein said silver halide has a mean diameter of 0.04μ to 2μ.
Claim 12
Dependent Claim
40 words
The silver halide photographic element of claim 1, wherein said silver halide developing agent in the subbing layer is present in an amount from about 0.01 to about 100 millimol/m 2 per μ of the thickness of the subbing layer.
Claim 13
Dependent Claim
40 words
The silver halide photographic element of claim 6, wherein said silver halide developing agent in the subbing layer is present in an amount from about 0.01 to about 100 millimol/m 2 per μ of the thickness of the subbing layer.
Claim 14
Dependent Claim
20 words
The silver halide photographic element of claim 1, wherein said light-sensitive layer has a thickness of 0.2 to 10 μm.
Claim 15
Dependent Claim
23 words
The silver halide photographic element of claim 13, wherein said subbing layer has a thickness of from about 0.01 to about 5 microns.
Claim 16
Dependent Claim
19 words
The silver halide photographic element of claim 14, wherein said oxide layer has a thickness of 0.1μ to 10μ.
Claim 17
Dependent Claim
25 words
The silver halide photographic element of claim 15, wherein said silver halide emulsion comprises silver halide grains having a mean diameter from 0.04μ to 2μ.
Claim 18
Independent Claim
137 words
The method for producing a lithographic printing plate which comprises (a) imagewise exposing a silver halide photographic element comprising an aluminum support having thereon, in order, an anodized aluminum oxide layer, a subbing layer and a silver halide light-sensitive emulsion layer 4-phenyl catechol as containing a silver halide tanning developing agent, said subbing layer containing said developing agent in a molar amount less than the quantity thereof in said emulsion layer, and said subbing layer containing silver halide in an amount less than the quantity thereof contained in said emulsion layer, (b) tanning developing the imagewise exposed element, to imagewise tan the emulsion layer, (c) washing off said developed element to remove untanned emulsion layer and then (d) drying the element, wherein said anodized aluminum oxide layer of the support has been subjected to a graining treatment.
Claim 19
Independent Claim
137 words
The method for producing a lithographic printing plate which comprises (a) imagewise exposing a silver halide photographic element comprising an aluminum support having thereon, in order, an anodized aluminum oxide layer, a subbing layer and a silver halide light-sensitive emulsion layer 4-phenyl catechol as containing a silver halide tanning developing agent, said subbing layer containing said developing agent in a molar amount less than the quantity thereof in said emulsion layer, and said subbing layer containing silver halide in an amount less than the quantity thereof contained in said emulsion layer, (b) tanning developing the imagewise exposed element, to imagewise tan the emulsion layer, (c) washing off said developed element to remove untanned emulsion layer and then (d) drying the element, wherein said anodized aluminum oxide layer of the support has been subjected to a graining treatment.
Claim 20
Dependent Claim
19 words
The method of claim 17, wherein said emulsion layer has a thickness of about 0.01 to about 20 μm.
Claim 21
Dependent Claim
19 words
The method of claim 14, wherein said subbing layer has a thickness of about 0.01 to about 5 microns.
Claim 22
Dependent Claim
16 words
The method of claim 13, wherein said oxide layer has a thickness of 0.1μ to 10μ.
Claim 23
Dependent Claim
36 words
The method of claim 20, wherein said developing agent in the subbing layer is present in an amount of from about 0.01 to about 100 millimol/m 2 per μ of the thickness of the subbing layer.
Claim 24
Dependent Claim
28 words
The method of claim 21, wherein said silver halide photographic element further has a protective layer having a thickness of 0.2 to 10 μm on said emulsion layer.
Claim 25
Dependent Claim
37 words
The method of claim 21, wherein said developing agent in the emulsion layer is present in an amount of from about 1 millimol/m 2 to 500 millimol/m 2 per μ of the thickness of the emulsion layer.
Claim 26
Dependent Claim
30 words
The method of claim 23, wherein said tanning development is carried out by treating said imagewise exposed element with an aqueous alkaline solution having a pH of 9 to 12.
Claim 27
Dependent Claim
22 words
The method of claim 23, wherein silver halide grains in said emulsion layer have a mean diameter of from 0.04μ to 2μ.
Claim 28
Dependent Claim
20 words
The silver halide photographic element of claim 1, which further comprises a protective layer on said silver halide emulsion layer.
Claim 29
Dependent Claim
17 words
The silver halide photographic element of claim 1, wherein said developing agent is a tanning development agent.
References Cited (Backward Citations)
DE669489C
Cited
US2875020A
Cited
US3146104A
Cited
US3146105A
Cited
US3326685A
Cited
US3467546A
Cited
US3600166A
Cited
US3779797A
Cited
US3595182A
Cited
US3679412A
Cited
US3698901A
Cited
US3834329A
Cited
US4060953A
Cited
US4060953B1
Cited
US3987219A
Cited
US4038077A
Cited
US4018605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-11-05 | 1983-05-07 | 1983-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-05 | 1987-05-07 | 1987-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-05 | 1991-05-07 | 1991-11-06 | $7700.00 | Window Closed / Lapsed |