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US3817757A
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Photosensitive composition comprising cinnamoyl and azido groups
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1971-07-02
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Granted: 1974-06-18
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Expires: 1991-07-02
Abstract
Abstract A HIGHLY PHOTOSENSITIVE COMPOSITION WHICH, OWING TO THE SYNERGISTIC EFFECT TO THE CINNAMOYL AND AZIDO GROUPS. TWO TYPICAL PHOTOSENSITIVE GROUPS WHICH ARE PRESENT IN ITS MAIN STRUCTURE, SHOWS A SPECTRAL RANGE SENSITIVITY WHICH IS EXPANDED TO THE LONG WAVELENGTH REGION, THIS SENSITIVITY HAVING NEVER BEEN OBTAINED WITH PHOTOSENSITIVE COMPOSITIONS HITHERTOFORE AVALIALBLE.
Inventors
- 👤 A Yabe
- 👤 M Tsuda
- 👤 H Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:44
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/012; C; C08; C08B; C08B3/00; C08F; C08F26/00; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/127; Y10S522/00; Y10S522/904
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |