US3782933A
Expired / Lapsed
US
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Sensitized electrophotographic layers
Assignee: Agfa Gevaert AG
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Filing: 1972-04-26
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Granted: 1974-01-01
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Expires: 1992-04-26
Abstract
Abstract SPECTRALLY SENSITIZED ELECTROPHOTOGRAPHIC MATERIAL THE PHOTOCONDUCTIVE LAYER THEREOF CONTAINS AS SENSITIZER A DYE WHICH CONTAINS AT LEAST ONE 2-OXO- OR 2-THIO-PYRIMIDINE RING IN THE MOLECULE.
Inventors
- 👤 H Ohlschlager
- 👤 O Riester
- 👤 T Ghys
- 👤 K Verhille
- 👤 I Vanheertum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:34
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/02; C09B23/08; C09B23/083; C09B23/0091; C09B23/06; C09B23/10; C09B23/105; C09B23/107; C09B23/14; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |