US3518266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary 3-aryl-7-triazinylamino-coumarin salts
Assignee: Novartis Corp
•
Filing: 1968-07-23
•
Granted: 1970-06-30
•
Expires: 1988-07-23
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Hausermann
- 👤 Eduard Troxler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:49
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/12; D; D06; D06L; D06L4/00; D06L4/60; D06L4/614; D06L4/629
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2945033A
Cited
US3242177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |