US3674494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflective metal plate with photopolymerizable layer containing metal complex dye
Assignee: BASF SE
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Filing: 1970-01-27
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Granted: 1972-07-04
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Expires: 1990-01-27
Abstract
Abstract IMPROVED RELIEF PLATES, PARTICULARLY PRINTING PLATES, PREPARED BY EXPOSING UNDER AN IMAGE-BEARING TRANSPARENCY A LAYER, WHICH CAN BE CROSSLINKED BY EXPOSURE AND HAS BEEN APPLIED TO A LIGHT-REFLECTING SUBSTRATE OF A SUBSTANTIALLY HOMOGENEOUS MIXTURE OF SOLID POLYMMERS, MONOMERS, PHOTOINITIATORS AND, IF DESIRED, POLYMERIZATION INHIBITORS, WHICH MIXTURE ALSO CONTAINS FINELY DISPERSED THEREIN A SOLUBLE METAL COMPLEX DYE, AND WASHING OUT THE UNEXPOSED AREAS.
Inventors
- 👤 Horst Hoffmann
- 👤 Carl Heinrich Krauch
- 👤 Hans-Werner Otto
- 👤 Otto Volkert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/09; G03F7/091; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/833; G03F7/027; G03F7/028; G03F7/029; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/107; Y10S430/151
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |