Patent US2940853A successfully refreshed from Google Patents.
US2940853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azide sensitized resin photographic resist
Assignee: Eastman Kodak Co
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Filing: 1958-08-21
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Granted: 1960-06-14
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 John J Sagura
- 👤 James A Van Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:56
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/10; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LIGHT-SENSITIVE COATING COMPOSITION COMPRISING A SOLUTION IN AN ORGANIC SOLVENT OF A RUBBERY STYRENE BUTADIENE COPOLYMER AND AN AZIDE SELECTED FROM THE CLASS CONSISTING OF 4,4''-DIAZIDOCHALCONE, 2,6-DI(4''-AZIDOBENZAL)-4-METHYLCYCLOHEXANONE AND 2,6-DI-(4''-AZIDOBENZAL)CYCLOHEXANONE, SAID COMPOSITION BEING ADAPTED TO PRODUCE A LIGHT-SENSITIVE COATING IN WHICH AN IMAGE CAN BE FORMED BY EXPOSURE TO LIGHT, AND WASHING IN AN ORGANIC SOLVENT.
Claim 2
Dependent Claim
56 words
A LIGHT-SENSITIVE COATING COMPOSITION COMPRISING A SOLUTION IN AN ORGANIC SOLVENT OF A RUBBERY STYRENE BUTADIENE COPOLYMER AND AN AZIDE SELECTED FROM THE CLASS CONSISTING OF 4,4''-DIAZIDOCHALCONE, 2,6-DI(4''-AZIDOBENZAL)-4-METHYLCYCLOHEXANONE AND 2,6-DI-(4''-AZIDOBENZAL)CYCLOHEXANONE, SAID COMPOSITION BEING ADAPTED TO PRODUCE A LIGHT-SENSITIVE COATING IN WHICH AN IMAGE CAN BE FORMED BY EXPOSURE TO LIGHT, AND WASHING IN AN ORGANIC SOLVENT.
References Cited (Backward Citations)
US2848328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |