US3867445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted hydroxylamine anti-oxidants
Assignee: Novartis Corp
•
Filing: 1972-10-10
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Granted: 1975-02-18
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Expires: 1992-10-10
Abstract
Abstract Substituted hydroxylamines exhibit activity as anti-oxidants for a diverse group of substrate materials under specific conditions of exposure to an oxidizing environment. Illustrative embodiments of substituted hydroxylamine anti-oxidants are bis(pnitrobenzyl)hydroxylamine and 2-diethylamino-4,6,-bis(N-n-propylN-hydroxyamino)-s-triazine.
Inventors
- 👤 Peter Klemchuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:01
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/762; A23B2/771; C; C08; C08K; C08K5/00; C08K5/16; C08K5/32; C08K5/36; C08K5/41; C08K5/42; C09; C09K; C09K15/00; C09K15/04; C09K15/20; C09K15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
THE COMPOUND B,B''-HYDROXYIMINO-BIS-PROPIONAMIDE.
Claim 2
Dependent Claim
3 words
THE COMPOUND B,B''-HYDROXYIMINO-BIS-PROPIONAMIDE.
References Cited (Backward Citations)
US3287125A
Cited
US3778464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |