Patent US3775411A successfully refreshed from Google Patents.
US3775411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triazine derivatives as antioxidants
Assignee: Individual
•
Filing: 1971-10-26
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Granted: 1973-11-27
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Expires: 1991-10-26
Abstract
Abstract NEW 2,4 BIS - (3,5 - DI-TERT.BUTYL-4-HYDROXY-PHENOXY)-STRIAZINES ARE STABILIZERS FOR ORGANIC MATERIALS. THEY ARE PREPARED BY REACTING THE BIS-(IMINO-CARBNIC ACID-(O,5DI-TERT.BUTYL-4-HYDROXYPHEYL)ESTER)-MIDE WITH A CORRESPONDING CARBOXYLIC ACID CHLORIDE.
Inventors
- 👤 H Brunetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:45
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/30; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492
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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |