US3677762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color elements containing brightening agents and ultraviolet absorbers
Assignee: Fujifilm Holdings Corp
•
Filing: 1970-01-08
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Granted: 1972-07-18
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Expires: 1990-01-08
Abstract
Abstract ARE DISCLOSED. THE COLOR PRINTING PAPERS HAVE INCREASED WHITENESS. S-TRIAZIN-2,4-YLENE)-O-CH(-)-CH2- PHENYLENE)-CH=CH-(2-(M-O3S-)-1,4-PHENYLENE)-N(-R0)-(6-R1- (2-R2,4-R1-S-TRIAZIN-6-YL)-N(-R0)-(3-(M-O3S-)-1,4- COLOR PRINTING PAPERS COMPRISING MULTIPLE PHOTOGRAPHIC LAYERS, WHEREIN AT LEAST ONE OF THE LAYERS CONTAINS AN ULTRAVIOLET ABSORBER, WITH ONE OF THE LAYERS CONTAINING A FLUORESENT BRIGHTENING AGENT HAVING THE REPEATING FORMULA-
Inventors
- 👤 Hiroyuki Amano
- 👤 Nobuo Tsuji
- 👤 Kazuo Shirasu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:51
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155; Y; Y10; Y10S; Y10S430/00; Y10S430/134
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |