US3072485A
Expired / Lapsed
US
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Optically sensitized azido polymers for photomechanical resist compositions
Assignee: Eastman Kodak Co
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Filing: 1960-08-24
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Granted: 1963-01-08
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 George A Reynolds
- 👤 Earl M Robertson
- 👤 James A Van Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:25
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/0085; C; C08; C08F; C08F8/00; C08F8/30; C08F8/34; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/127; Y10S430/128; Y10S522/00; Y10S522/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A LIGHT-SENSITIVE PHOTORESIST COMPOSITION COMPRISING A MIXTURE OF A POLYMER CONTAINING RECURRING AROMATIC AZIDE GROUPS AND AS A SENSITIZING AGENT A COMPOUND SELECTED FROM THOSE HAVING THE THREE FORMULAS:
Claim 2
Dependent Claim
29 words
A LIGHT-SENSITIVE PHOTORESIST COMPOSITION COMPRISING A MIXTURE OF A POLYMER CONTAINING RECURRING AROMATIC AZIDE GROUPS AND AS A SENSITIZING AGENT A COMPOUND SELECTED FROM THOSE HAVING THE THREE FORMULAS:
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |