US3778464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted hydroxylamine anti-oxidants
Assignee: Individual
•
Filing: 1972-10-10
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Granted: 1973-12-11
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Expires: 1992-10-10
Abstract
Abstract SUBSTITUTED HYDROXYLAMINES EXHIBIT ACTIVITY AS ANTIOXIDANTS FOR A DIVERSE GROUP OF SUBSTRATE MATERIALS UNDER SPECIFIC CONDITIONS OF EXPOSURE TO AN OXIDIZING ENVIRONMENT. ILLUSTRATIVE EMBODIMENTS OF SUBSTITUTED HYDROXYLAMINE ANTI-OXIDANTS AE BIS(P-NITROBENZYL)HYDROXYLAMINE AND 2 - DIETHYLAMINO-4,6-BIS(N-N-PROPYL-N-HYDROXYAMINO)-S-TRIAZINE.
Inventors
- 👤 P Klemchuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:07
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; C; C08; C08K; C08K5/00; C08K5/16; C08K5/32; C09; C09K; C09K15/00; C09K15/04; C09K15/30
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |