Patent US3684505A successfully refreshed from Google Patents.
US3684505A
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Methine dye sensitization of a dihydroquinoline photoconductor
Assignee: Agfa Gevaert NV
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Filing: 1970-03-27
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Granted: 1972-08-15
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Expires: 1990-03-27
Abstract
Abstract AN ORGANIC PHOTOCONDUCTIVE POLYMER CONTAINING RECURRING NUCLEI OF A DIMETHYL, DIHYDROQUINOLINE IS SPECTRALLY SENSITIZED TO THE VISIBLE REGION OF THE SPECTRUM BY A METHINE DYE CONTAINING AT LEAST ONE INDOLE NUCLEUS.
Inventors
- 👤 Johannes Josephus Vanheertum
- 👤 Theofiel Hubert Ghys
- 👤 Henri Depoorter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:31
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0557; G03G5/0575; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067; G03G5/07; G03G5/075; G03G5/076; G03G5/0763; G03G5/10; G03G5/101; G03G5/14; G03G5/142
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |