US2954345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic materials containing 3, 5-dialkyl-4-hydroxybenzyl ethers as antioxidants
Assignee: Ethyl Corp
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Filing: 1958-03-31
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Granted: 1960-09-27
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Allen H Filbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:54
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AS A NEW COMPOSITION OF MATTER, ORGANIC MATERIAL NORMALLY TENDING TO UNDERGO OXIDATIVE DETERIORATION IN THE PRESENCE OF AIR, OXYGEN OR OZONE, CONTAINING A SMALL ANTIOXIDANT QUANTITY, UP TO 5 PERCENT, OF A 3,5-DIALKYL-4-HYDROXYBENZYL ETHER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
39 words
AS A NEW COMPOSITION OF MATTER, ORGANIC MATERIAL NORMALLY TENDING TO UNDERGO OXIDATIVE DETERIORATION IN THE PRESENCE OF AIR, OXYGEN OR OZONE, CONTAINING A SMALL ANTIOXIDANT QUANTITY, UP TO 5 PERCENT, OF A 3,5-DIALKYL-4-HYDROXYBENZYL ETHER HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |