US2852379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azide resin photolithographic composition
Assignee: Eastman Kodak Co
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Filing: 1955-05-04
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Granted: 1958-09-16
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Hepher Martin
- 👤 Hans M Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:27
CPC Classifications
C; C07; C07C; C07C247/00; G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/012; G03F7/0125; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LIGH-SENSITIVE COATING COMPOSITION COMPRISING AN ORGANIC SOLVENT, AN ORGANIC SOLVENT-SOLUBLE COLLOID CONTAINING SUBSTANTIALLY NO POLAR GROUPINGS SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC RUBBER, CYCLIZED RUBBER, AND OXIDIZED RUBBER, AND A WATER-INSOLUBLE ARYL AZIDE COMPOUND, 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
64 words
A LIGH-SENSITIVE COATING COMPOSITION COMPRISING AN ORGANIC SOLVENT, AN ORGANIC SOLVENT-SOLUBLE COLLOID CONTAINING SUBSTANTIALLY NO POLAR GROUPINGS SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC RUBBER, CYCLIZED RUBBER, AND OXIDIZED RUBBER, AND A WATER-INSOLUBLE ARYL AZIDE COMPOUND, 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |