Patent US3669664A successfully refreshed from Google Patents.
US3669664A
Expired / Lapsed
US
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Process of strengthening presensitized lithographic plate with lacquer emulsion
Assignee: Algraphy Ltd
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Filing: 1969-06-20
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Granted: 1972-06-13
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Expires: 1989-06-20
Abstract
Abstract THE IMAGE ON A PLANOGRAPHIC PRINTING PLATE IS REINFORCED BY TREATING THE PLATE WITH A LIQUID COMPOSITION COMPRISING A DISPERSION IN A VEHICLE LIQUID OF A SOLUTION OF A PHOTOPOLYMERISABLE RESIN HAVING UNSATURATED DOUBLE BONDS IN A SOLVENT THEREFOR. THE SOLUTION OF RESIN MAY BE OBTAINED BY TREATING AN EXPOSED PLATE HAVING A PHOTOPOLYMERISABLE RESIN LAYER WITH A SOLVENT TO DISSOLVE UNEXPOSED PHOTOPOLYMERISABLE RESIN ON SAID PLATE.
Inventors
- 👤 Ronald Alfred Charles Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08; G; G03; G03F; G03F7/00; G03F7/20; G03F7/2022; G03F7/2024; G03F7/26; G03F7/40
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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |