Patent US2669507A successfully refreshed from Google Patents.
US2669507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized organic compositions containing alkoxy phenols and mercapto alkanoic acids
Assignee: Standard Oil Development Co
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Filing: 1950-05-04
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Granted: 1954-02-16
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Expires: 1970-05-04
Abstract
No abstract record available.
Inventors
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:00
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/36; C08K5/37; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10L1/20; C10L1/203; C10L1/24; C10L1/2406; C10M2207/00; C10M2207/04; C10M2207/046; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2040/00; C10N2040/135; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ANTI-OXIDANT COMPOSITION OF MATTER, CONSISTING ESSENTIALLY OF A SYNERGISTIC COMBINATION OF A PARA ALKOXY PHENOL SELECTED FROM THE GROUP CONSISTING OF 2-T-BUTYL-4-METHOXY-PHENOL, 2-2BIS(2-HYDROXY-5METHOXY-PHENYL) PROPANE, 2,2BIS!2-HYDROXY-3-T-BUTYL-5-METHOXYPHENY) PROPANE, STYRENE ALKYLATED 4-METHOXY-PHENOL, AND 2,6 DI-T-BUTYL-4-METHOXY PHENOL, WITH A LOW MOLECULAR WEIGHT UNSUBSTITUTED MERCAPTO ALKANOIC ACID SELECTED FROM THE GROUP CONSISTING OF 2MERCAPTO ETHANOIC ACID AND 3-MERCAPTO PROPIONIC ACID, THE UNSUBSTITUTED MERCAPTO ALKANOIC ACID AND PARA ALKOXY PHENOL BEING PRESENT IN APPROXIMATELY EQUAL AMOUNTS.
Claim 2
Dependent Claim
71 words
AN ANTI-OXIDANT COMPOSITION OF MATTER, CONSISTING ESSENTIALLY OF A SYNERGISTIC COMBINATION OF A PARA ALKOXY PHENOL SELECTED FROM THE GROUP CONSISTING OF 2-T-BUTYL-4-METHOXY-PHENOL, 2-2BIS(2-HYDROXY-5METHOXY-PHENYL) PROPANE, 2,2BIS!2-HYDROXY-3-T-BUTYL-5-METHOXYPHENY) PROPANE, STYRENE ALKYLATED 4-METHOXY-PHENOL, AND 2,6 DI-T-BUTYL-4-METHOXY PHENOL, WITH A LOW MOLECULAR WEIGHT UNSUBSTITUTED MERCAPTO ALKANOIC ACID SELECTED FROM THE GROUP CONSISTING OF 2MERCAPTO ETHANOIC ACID AND 3-MERCAPTO PROPIONIC ACID, THE UNSUBSTITUTED MERCAPTO ALKANOIC ACID AND PARA ALKOXY PHENOL BEING PRESENT IN APPROXIMATELY EQUAL AMOUNTS.
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) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |