Patent US3696072A successfully refreshed from Google Patents.
US3696072A
Expired / Lapsed
US
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Light-sensitive polymers
Assignee: Eastman Kodak Co
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Filing: 1970-01-16
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Granted: 1972-10-03
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Expires: 1990-01-16
Abstract
Abstract NOVEL LIGHT-SENSITIVE POLYMERS CONTAIN AS THE LIGHT-SENSITIVE MOIETY A SIDE CHAIN WHICH CONTAINS TOW ETHYLENICALLY UNSATURATED GROUPS CONJUGATED TO EACH OTHER THROUGH AN ARYLENE GROUP. PHOTOSENSITIVE COMPOSITIONS AND ELEMENTS PREPARED WITH THESE POLYMERS ARE USEFUL IN THE PREPARATION OF PHOTOMECHANICAL IMAGES SUCH AS PHOTORESISTS AND LITHOGRAPHIC PRINTING PLATES.
Inventors
- 👤 George A Reynolds
- 👤 Thomas M Laakso
- 👤 Douglas G Borden
- 👤 Jack L R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:02
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |