US3764324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic polymer composition and process for crosslinking
Assignee: MC CALL CORP
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Filing: 1972-04-13
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Granted: 1973-10-09
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Expires: 1992-04-13
Abstract
Abstract A RELIEF IMAGE ELEMENT USEFUL AS A PRINTING PLATE IS PREPARED BY THE SELECTIVE EXPOSURE OF A MIXTURE COMPRISING AN UNSATURATED ELASTOPOLYMERIC COMPOSITION, A SATURATED HALOGENATED POLYMER AND A CROSSLINKING AGENT TO UV LIGHT OR HIGH ENERGY RADIATION IN THE PRESENCE OF A PHOTOINITIATOR. THE RESULTING PRODUCT IS A RELATIVELY HARD, RESILIENT THREE DIMENSIONAL POLYMER SYSTEM WHICH IS RESISTANT TO PRINTING INK SOLVENTS.
Inventors
- 👤 Z Reyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:08
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/032; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/108; Y10S430/128
Claims Analysis
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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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |