US3830804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent(pyrimidinotriazolyl)-2-styrylbenzoxazoles
Assignee: Eastman Kodak Co
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Filing: 1972-11-20
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Granted: 1974-08-20
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Expires: 1992-11-20
Abstract
Abstract THIS INVENTION RELATES TO NOVEL PYRIMIDINOTRIAZOLYL-2STYRYLBENZOXAZOLES AND TO THESE COMPOUNDS INCORPORATED INTO FILAMENTS, FIBERS, SHEETS, FILMS AND OTHER SHAPED ARTICLES MADE OF POLYESTER MATERIALS HAVING ADVANTAGEOUS BRIGHTNESS AND/OR WHITENESS.
Inventors
- 👤 R Barbee
- 👤 E Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:31
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; Y; Y10; Y10S; Y10S428/00; Y10S428/913
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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |