US3573918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underlayers of plasticizer-polymer mixtures for photopolymer thermal transfer elements
Assignee: EIDP Inc
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Filing: 1967-09-26
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Granted: 1971-04-06
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Expires: 1987-09-26
Abstract
Abstract A PHOTOPOLYMERIZABLE THERMAL TRANSFER ELEMENT COMPRISING (1) A SUPPORT, (2) A THERMOPLASTIC STRATUM COMPRISING A COMPATIBLE MIXTURE OF ABOUT 90 TO 50 PARTS OF THERMOPLASTIC POLYMER AND ABOUT 10 TO 50 PARTS OF PLASTICIZER, SAID MIXTURE BEING SOLID BELOW 40*C. AND (3) OVER SAID THERMOPLASTIC STRATUM A PHOTOPOLYMERIZABLE STRATUM WHICH IS SOLID BELOW 40*C. AND HAS A STICK TEMPERATURE ABOVE ABOUT 40*C. AND BELOW 150*C. IN ITS UNEXPOSED STATE AND A STICK TEMPERATURE IN ITS EXPOSED STATE OF AT LEAST 10*C. GREATER THAN THAT OF ITS UNEXPOSED STATE.
Inventors
- 👤 Vaughan Crandall Chambers Jr
- 👤 David W Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:12
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/34; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/113
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |