US2576458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized organic compositions
Assignee: Ethyl Corp
•
Filing: 1950-04-07
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Granted: 1951-11-27
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Expires: 1970-04-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Hill
- 👤 Franklin H Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C10L1/2235; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A NEW COMPOSITION STABLE TO OXIDATION CONSISTING ESSENTIALLY OF AN ORGANIC MATERIAL NORMALLY TENDERING TO DETERIORATE IN THE PRESENCE OF OXYGEN, AND A SUBSTITUTED ETHANOLAMINE, PRESENT IN QUANTITY SUFFICIENT OT INHIBIT SUCH DETERIORATION, HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
37 words
A NEW COMPOSITION STABLE TO OXIDATION CONSISTING ESSENTIALLY OF AN ORGANIC MATERIAL NORMALLY TENDERING TO DETERIORATE IN THE PRESENCE OF OXYGEN, AND A SUBSTITUTED ETHANOLAMINE, PRESENT IN QUANTITY SUFFICIENT OT INHIBIT SUCH DETERIORATION, HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2518577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |