US3579339A
Expired / Lapsed
US
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Photopolymerizable dispersions and elements containing nonmigratory photoreducible dyes
Assignee: EIDP Inc
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Filing: 1967-05-23
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Granted: 1971-05-18
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Expires: 1987-05-23
Abstract
Abstract A PHOTOPOLYMERIZABLE DISPERSION AND LAYERS COMPRISING A CONTINUOUS PHASE WITH AN ORGANIC MACROMOLECULAR POLYMER DISPERSION MEDIUM (E.G., GELATIN) AND A DISPERSED PHASE INCLUDING AN ADDITION POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND (E.G., A MONOMER SUCH AS PENTAERYTHRITOL TRIACRYLATE, AND AT LEAST ONE OF THE INGREDIENTS OF A COLOR IMAGE-YIELDING COMPOSITION (E.G., A PHOTOGRAPHIC COLOR FORMER) IN REACTIVE ASSOCATION WITH A PHOTOINITIATOR MIXTURE COMPRISING (A) A NONMIRGRATORY, PHOTOREDUCIBLE DYE, E.G., METHYLENE BLUE HAVING THE FOUR METHYL RADICALS REPLACED BY BUTYL RADICALS, AND (B) A FREE-RADICAL PRODUCING AGENT, E.G., N-PHENYLGLYCINE.
Inventors
- 👤 Catherine The-Lin Chang
- 👤 Peter Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:39
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/09; G03F7/105; C; C09; C09B; C09B17/00; C09B17/02; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/117; Y10S430/127
Claims Analysis
Total Claims: 0
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |