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US3697280A
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Hexaarylbiimidazole-selected aromatic hydrocarbon compositions
Assignee: EIDP Inc
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Filing: 1969-05-22
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Granted: 1972-10-10
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Expires: 1989-05-22
Abstract
Abstract PHOTOACTIVATABLE COMPOSITIONS COMPRISING A HEXAARYLBIIMIDAZOLE AND A SELECTED AROMATIC HYDROCARBON HAVING AT LEAST THREE FUSED BENZENOID RINGS, AND OPTIONALLY, A LEUCO DYE AND/OR A POLYMERIZABLE MONOMER OR INERT COMPONENTS SUCH AS BINDERS, SOLVENTS AND THE LIKE. THE COMPOSITIONS ARE PHOTOACTIVATED IN THE NEAR ULTRAVIOLET OR VISIBLE LIGHT WAVELENGTHS.
Inventors
- 👤 Peter S Strilko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:00
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/116
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |