Patent US2870011A successfully refreshed from Google Patents.
US2870011A
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Photosensitization of vinylazidophthalate polymers
Assignee: Eastman Kodak Co
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Filing: 1957-01-18
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Granted: 1959-01-20
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Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 Earl M Robertson
- 👤 James A Van Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:10
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/0085; C; C07; C07D; C07D333/00; C07D333/50; C07D333/76; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/127; Y10S430/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A LIGHT-SENSITIVE PHOTOMECHANICAL RESIST COMPOSITION COMPRISING A MIXTURE OF A VINYLAZIDOHYDROGENPHTHALATE POLYMER AND AS A SENSITIZING AGENT A MEMBER OF THE CLASS CONSISTING OF (1) A DIBENZOTHIOPHENE-5, 5-DIOXIDE DISULFONIC ACID SALT, AND (2) A COMPOUND HAVING THE GENERAL STRUCTURE
Claim 2
Dependent Claim
39 words
A LIGHT-SENSITIVE PHOTOMECHANICAL RESIST COMPOSITION COMPRISING A MIXTURE OF A VINYLAZIDOHYDROGENPHTHALATE POLYMER AND AS A SENSITIZING AGENT A MEMBER OF THE CLASS CONSISTING OF (1) A DIBENZOTHIOPHENE-5, 5-DIOXIDE DISULFONIC ACID SALT, AND (2) A COMPOUND HAVING THE GENERAL STRUCTURE
References Cited (Backward Citations)
US2714066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |