Patent US3337460A successfully refreshed from Google Patents.
US3337460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of polyhydric alkanols and dibasic aryl-fatty acids
Assignee: Sinclair Research Inc
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Filing: 1965-09-03
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Granted: 1967-08-22
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Wayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/198; C10L1/1983; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A MINERAL OIL COMPOSITION HAVING IMPROVED POUR POINT PROPERTIES CONSISTING ESSENTIALLY OF A PETROLEUM DISTILLATE BOILING ABOVE THE GASOLINE RANGE HAVING INCORPORATED THEREIN A SMALL AMOUNT SUFFICIENT TO IMPROVE THE POUR POINT OF THE PETROLEUM DISTILLATE OF AN OIL-SOLUBLE POLYESTER OF A POLYHYDRIC ALKANOL OF 3 TO 6 CARBON ATOMS AND AT LEAST 3 HYDROXY GROUPS, AND THE REACTION PRODUCT OF AS MONOOLEFINICALLY-UNSATURATED FATTY ACID OF ABOUT 12 TO 24 CARBON ATOMS AND AN AROMATIC HYDROCARBON HAVING THE FORMULA:
Claim 2
Dependent Claim
79 words
A MINERAL OIL COMPOSITION HAVING IMPROVED POUR POINT PROPERTIES CONSISTING ESSENTIALLY OF A PETROLEUM DISTILLATE BOILING ABOVE THE GASOLINE RANGE HAVING INCORPORATED THEREIN A SMALL AMOUNT SUFFICIENT TO IMPROVE THE POUR POINT OF THE PETROLEUM DISTILLATE OF AN OIL-SOLUBLE POLYESTER OF A POLYHYDRIC ALKANOL OF 3 TO 6 CARBON ATOMS AND AT LEAST 3 HYDROXY GROUPS, AND THE REACTION PRODUCT OF AS MONOOLEFINICALLY-UNSATURATED FATTY ACID OF ABOUT 12 TO 24 CARBON ATOMS AND AN AROMATIC HYDROCARBON HAVING THE 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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |