US3586507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazo printing plate having printing surface of thermally cured allylic resin
Assignee: FMC Corp
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Filing: 1967-12-14
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Granted: 1971-06-22
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Expires: 1987-12-14
Abstract
Abstract PRESENSITIZED DIZO LITHOGRAPHIC PRINTING PLATES ARE PREPARED IN WHICH THE DIAZO LAYER IS OVERCOATED WITH A LIGHT PERMEABLE THERMALLY CURED ALLYLIC RESIN. AFTER EXPOSURE AND DEVELOPING IN ESSENTIALLY THE USUAL MANNER, THE RESIN COATING BECOMES DETACHED OR OTHERWISE REMOVED OVER THOSE AREAS DISSOLVED OUT BY THE PROCESSING SOLUTION. THE RESULTING PLATE CONTAINS IMAGE AREAS OF CURED ALLYLIC RESIN BONDED TO THE REMAINING INSOLUBLE DIAZO IMAGE. AFTER GUMMING AND INKING, THE PLATE IS READY FOR PRINTING.
Inventors
- 👤 Leo S Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:49
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/08; G; G03; G03F; G03F7/00; G03F7/004; G03F7/016
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |