US2710282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon oil compositions
Assignee: Standard Oil Co
•
Filing: 1951-10-29
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Granted: 1955-06-07
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Expires: 1971-10-29
Abstract
No abstract record available.
Inventors
- 👤 Linsk Jack
- 👤 Clyde S Scanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:52
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A HYDROCARBON OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL AND A SMALL PROPORTION, SUFFICIENT TO IMPROVE THE POURPOINT PROPERTIES OF SAID OIL, OF AN ESTER OF AN ALIPHATIC ALCOHOL WITH A TRIPOLYMER, HAVING A MOLECULAR WEIGHT OF FROM ABOUT 1000 TO ABOUT 40,000, OF AN UNSATURATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF AN ACYCLIC UNSATURATED HYDROCARBON, AN ALICYCLIC UNSATURATED HYDROCARBON AND MIXTURES THEREOF, AN UNSATURATED POLYBASIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, FUMARIC ACID, ACONITIC ACID, ITACONIC ACID, CITRACONIC ACID AND ANHYDRIDES THEREOF, AND AN ALKYL VINYL ETHER HAVING 2 TO ABOUT 18 CARBON ATOMS IN THE ALKYL GROUP, SAID UNSATURATED HYDROCARBON, SAID UNSATURATED POLYBASIC COMPOUND, AND SAID ALKYL VINYL ETHER BEING EMPLOYED IN THE MOLAR RATIO OF FROM ABOUT 1:10:9 TO 9:10:1.
Claim 2
Dependent Claim
130 words
A HYDROCARBON OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL AND A SMALL PROPORTION, SUFFICIENT TO IMPROVE THE POURPOINT PROPERTIES OF SAID OIL, OF AN ESTER OF AN ALIPHATIC ALCOHOL WITH A TRIPOLYMER, HAVING A MOLECULAR WEIGHT OF FROM ABOUT 1000 TO ABOUT 40,000, OF AN UNSATURATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF AN ACYCLIC UNSATURATED HYDROCARBON, AN ALICYCLIC UNSATURATED HYDROCARBON AND MIXTURES THEREOF, AN UNSATURATED POLYBASIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, FUMARIC ACID, ACONITIC ACID, ITACONIC ACID, CITRACONIC ACID AND ANHYDRIDES THEREOF, AND AN ALKYL VINYL ETHER HAVING 2 TO ABOUT 18 CARBON ATOMS IN THE ALKYL GROUP, SAID UNSATURATED HYDROCARBON, SAID UNSATURATED POLYBASIC COMPOUND, AND SAID ALKYL VINYL ETHER BEING EMPLOYED IN THE MOLAR RATIO OF FROM ABOUT 1:10:9 TO 9:10:1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |