Patent US1626869A successfully refreshed from Google Patents.
US3615533A
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Heat and light sensitive layers containing hydrazones
Assignee: Eastman Kodak Co
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Filing: 1968-03-11
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Granted: 1971-10-26
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Expires: 1988-03-11
Abstract
Abstract Certain ketone and aldehyde organic hydrazones exhibit utility in radiation-sensitive layers and elements as a spectral sensitizer for silver halide and as a selective reducing agent in photographic, thermographic and photothermographic layers.
Inventors
- 👤 Frederick J Rauner
- 👤 Paul B Gilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:42
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/494; G03C1/498; G03C1/4989; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/28; G03C1/49836; G03C1/49845; G03C1/675; G03C1/705; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0601; G03G5/0612; G03G5/0616; G03G5/0618; G03G5/062; G03G5/0622; G03G5/0624; G03G5/0635; G03G5/0637; G03G5/0644; G03G5/0646; G03G5/065
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 2
Dependent Claim
24 words
An element for recording images, said element comprising a support having coated thereon a radiation-sensitive layer comprising: a. a hydrazone having the formula: wherein:
Claim 3
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 4
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 5
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 6
Dependent Claim
2 words
anthracenealdehyde phenylhydrazone,
Claim 7
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 8
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 9
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 10
Dependent Claim
31 words
R2 is selected from the group consisting of a carbocyclic aryl radical, an aralkyl radical, an aralkenyl radical selected from the group consisting of ethenyl and 1,3-butadienyl and a heterocyclic radical,
Claim 11
Dependent Claim
5 words
A radiation-sensitive metal oxide, and
Claim 12
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 13
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 14
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 15
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 16
Dependent Claim
2 words
diethoxybenzaldehyde phenylhydrazone,
Claim 17
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 18
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 19
Dependent Claim
36 words
An element as described in claim 2 wherein the reducible silver salt is selected from the group consisting of substantially water-insoluble silver salts of monocarboxylic and dicarboxylic acids having from two to about 22 carbon atoms.
Claim 20
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 21
Dependent Claim
2 words
mixtures thereof.
Claim 22
Dependent Claim
21 words
R3 is selected from the group consisting of a hydrogen atom, a lower alkyl radical and a carbocyclic aryl radical, and
Claim 23
Dependent Claim
31 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. an image-promoting component selected from the group consisting of:
Claim 24
Dependent Claim
27 words
An element as described in claim 3 wherein said reducible, water-insoluble silver salt is selected from the group consisting of silver cinnamate, silver behenate and silver oxalate.
Claim 25
Dependent Claim
26 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a reducible silver salt.
Claim 26
Dependent Claim
25 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a silver halide.
Claim 27
Dependent Claim
26 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a light-activatable metal oxide.
Claim 28
Dependent Claim
1 words
dimethylaminobenzaldehyde-4-sulfophenylhydrazone,
Claim 29
Dependent Claim
52 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a reducible silver salt, which pRocess comprises imagewise exposing said element to electromagnetic radiation for a period of time sufficient to produce a metallic silver image in the irradiated areas.
Claim 30
Dependent Claim
69 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a silver halide, which process comprises treating said imagewise-exposed element with a processing medium selected from the group consisting of a silver halide developing composition and a silver halide fixing agent for a period of time sufficient to produce a metallic silver image in the exposed areas.
Claim 31
Dependent Claim
59 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a light-activatable metal oxide, which process comprises treating said imagewise exposed element with a solution of a reducible, water-soluble silver salt for a period of time sufficient to produce a metallic silver image in the exposed areas.
Claim 32
Dependent Claim
58 words
R4 is selected from the group consisting of a lower alkyl radical, a carbocyclic aryl radical and a heterocyclic radical, and b. a light-activatable metal oxide, and c. a reducible silver salt, which process comprises treating said element with a developing means for a period of time sufficient to produce a metallic silver image in the exposed areas.
Claim 33
Dependent Claim
1 words
dimethylaminocinnamaldehyde-4-sulfophenylhydrazone,
Claim 34
Dependent Claim
30 words
An element as described in claim 2 wherein the reducible silver salt is a water-soluble silver salt selected from the group consisting of silver nitrate, silver acetate and silver lactate.
Claim 35
Dependent Claim
62 words
An element as described in claim 2 wherein said reducible silver salt radiation-sensitive component comprises the admixture of: a. a silver salt selected from the group consisting of water-insoluble salts of monocarboxylic and dicarboxylic acids having from two to about 22 carbon atoms, and b. a water-soluble silver salt selected from the group consisting of silver nitrate, silver acetate and silver lactate.
Claim 36
Dependent Claim
2 words
julolidinealdehyde-4-sulfophenylhydrazone, and
Claim 37
Dependent Claim
10 words
dimethylaminobenzaldehyde-quinol-2-ylhydrazone. b. titanium dioxide, and c. a reducible silver salt.
Claim 38
Dependent Claim
24 words
An element for recording images, said element comprising a support having coated thereon a light-sensitive layer comprising: a. a hydrazone having the formula: wherein:
Claim 39
Dependent Claim
35 words
An element as described in claim 7 wherein the hydrazone is selected from the group consisting of: a. 4-aminobenzaldehyde methylphenylhydrazone, b. anthracenealdehyde phenylhydrazone, c. diethoxybenzaldehyde phenylhydrazone, d. dimethylaminobenzaldehyde-4-sulfophenylhydrazone, e. dimethylaminocinnamaldehyde-4-sulfophenylhydrazone, f. julolidinealdehyde-4-sulfophenylhydrazone, and g. dimethylaminobenzaldehyde-quinol-2-ylhydrazone.
Claim 40
Dependent Claim
24 words
An element for recording images, said element comprising a support having coated thereon a light-sensitive layer comprising: a. a hydrazone having the formula: wherein:
Claim 41
Dependent Claim
15 words
An element as described in claim 9 wherein said light-activatable metal oxide is titanium dioxide.
Claim 42
Dependent Claim
19 words
An element as described in claim 9 wherein the light-sensitive layer also contains at least one reducible silver salt.
Claim 43
Dependent Claim
35 words
An element as described in claim 11 wherein the reducible silver salt is selected from the group consisting of water-insoluble silver salts of monocarboxylic and dicarboxylic acids having from two to about 22 carbon atoms.
Claim 44
Dependent Claim
25 words
An element as described in claim 12 wherein the silver salt is selected from the group consisting of silver cinnamate, silver behenate and silver oxalate.
Claim 45
Dependent Claim
30 words
An element as described in claim 11 wherein the reducible silver salt is a water-soluble silver salt selected from the group consisting of silver nitrate, silver acetate and silver lactate.
Claim 46
Dependent Claim
26 words
An element for recording images, said element comprising a support having coated thereon a light-sensitive layer comprising: a. a hydrazone selected from the group consisting of:
Claim 47
Dependent Claim
16 words
A process for producing images on an element comprising: a. a hydrazone having the formula: wherein:
Claim 48
Dependent Claim
14 words
A process as described in claim 16 wherein the electromagnetic radiation comprises heat radiation.
Claim 49
Dependent Claim
14 words
A process as described in claim 16 wherein the electromagnetic radiation comprises light radiation.
Claim 50
Dependent Claim
26 words
A process for producing images on an imagewise-exposed element comprising a support having coated thereon a light-sensitive layer comprising: a. a hydrazone having the formula: wherein:
Claim 51
Dependent Claim
19 words
A process for producing images on an image light exposed element comprising: a. a hydrazone having the formula: wherein:
Claim 52
Dependent Claim
19 words
A process for producing images on an imagewise light exposed element comprising: a. a hydrazone having the formula: wherein:
Claim 53
Dependent Claim
13 words
A process as described in claim 21 wherein said developing means comprises heat.
Claim 54
Dependent Claim
20 words
A process as described in claim 21 wherein said develOping means comprises light irradiation corresponding to the original imagewise exposure.
Claim 55
Dependent Claim
17 words
A process as described in claim 21 wherein said developing means comprises a photographic silver halide developer.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |