Patent US3772028A successfully refreshed from Google Patents.
US3772028A
Expired / Lapsed
US
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Sensitized photosensitive compounds and elements
Assignee: Eastman Kodak Co
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Filing: 1972-02-02
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Granted: 1973-11-13
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Expires: 1992-02-02
Abstract
Abstract The spectral sensitivity of radiation-sensitive polyyne compounds can be extended to longer wavelengths by the use of pyrylium salts, including thiapyrylium and selenapyrylium salts.
Inventors
- 👤 S Fico
- 👤 J Manthey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:08
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/025
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
23 words
A composition as set forth in claim 1, wherein said polyacetylenic compound has a minimum of two acetylenic linkages as a conjUgated system.
Claim 2
Dependent Claim
37 words
A composition as set forth in claim 1, wherein said polyacetylenic compound is selected from the group consisting of lower alkyl esters of diyne dioic acid, polyacetylenic polyoic acid alkylamides, polyacetylenic amine salts, and diyne diol urethanes.
Claim 3
Dependent Claim
32 words
A composition as set forth in claim 1, wherein said pyrylium compound is selected from the group consisting of 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium) perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
Claim 4
Dependent Claim
35 words
A composition as set forth in claim 1, wherein said pyrylium compound is present in a concentration of from about 0.1 to about 50 percent by weight, based upon the weight of the polyacetylenic compound.
Claim 5
Dependent Claim
21 words
An element comprising a carrier, a radiation-sensitive crystalline polyacetylenic compound, and a sensitizing amount of a pyrylium compound of the formula:
Claim 6
Dependent Claim
26 words
An element as set forth in claim 6, wherein said carrier comprises a support to which is adhered a binder having said polyacetylenic compound dispersed therein.
Claim 7
Dependent Claim
23 words
An element as set forth in claim 7, wherein said polyacetylenic compound has a minimum of two acetylenic linkages as a conjugated system.
Claim 8
Dependent Claim
13 words
An element as set forth in claim 8, wherein said binder is gelatin.
Claim 9
Dependent Claim
37 words
An element as set forth in claim 6, wherein said polyacetylenic compound is selected from the group consisting of lower alkyl esters of diyne dioic acid, polyacetylenic polyoic acid alkylamides, polyacetylenic amine salts, and diyne diol urethanes.
Claim 10
Dependent Claim
31 words
An element as set forth in claim 6, wherein said pyrylium compound is selected from the group consisting of 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium)perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
Claim 11
Dependent Claim
32 words
An element comprising a carrier, a radiation-sensitive crystalline polyacetylenic compound having a minimum of two acetylenic linkages as a conjugated system, and a sensitizing amount of a pyrylium compound of the formula:
Claim 12
Dependent Claim
32 words
An element as set forth in claim 12 wherein said pyrylium compound is selected from the group consisting of 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium) perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
Claim 13
Dependent Claim
34 words
An element comprising a support having coated thereon a layer comprising a binder, a radiation-sensitive crystallIne lower alkyl ester of diyne dioic acid, and a sensitizing amount of a pyrylium compound of the formula:
Claim 14
Dependent Claim
31 words
An element as set forth in claim 14 wherein said compound is selected from the group consisting of 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium) perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
Claim 15
Dependent Claim
30 words
An element comprising a support having coated thereon a layer comprising a binder, a radiation-sensitive crystalline polyacetylenic amine salt, and a sensitizing amount of a pyrylium compound of the formula:
Claim 16
Dependent Claim
31 words
An element as set forth in claim 16, wherein said compound is selected from the group consisting of 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium) perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
Claim 17
Dependent Claim
29 words
An element comprising a support having coated thereon a layer comprising a binder, a radiation-sensitive crystalline polyacetylenic alkylamide, and a sensitizing amount of a pyrylium compound of the formula:
Claim 18
Dependent Claim
31 words
An element as set forth in claim 15, wherein said compound is selected from the group consisting of 2,6-diphenyl-4(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium) perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
Claim 19
Dependent Claim
30 words
An element comprising a support having coated thereon a layer comprising a binder, a radiation-sensitive crystalline polyacetylenic bis urethane, and a sensitizing amount of a pyrylium compound of the formula:
Claim 20
Dependent Claim
16 words
An element as set forth in claim 17, wherein said bis urethane is 2,4-hexadiyne-1,6-diol bis (N-hexylurethane).
Claim 21
Dependent Claim
31 words
An element as set forth in claim 17, wherein said compound is selected from the group consisting of 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate, 4-(4-amyloxyphenyl)-2,6-bis(4-ethoxypyrylium) perchlorate, 2,4,6-triphenylpyrylium fluoborate, 2,4,6-triphenylthiapyrylium perchlorate, and 2,6-diphenyl-4-(4-dimethylaminophenyl) thiapyrylium perchlorate.
References Cited (Backward Citations)
US3250615A
Cited
US3501308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |