US2680718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibiting composition
Assignee: Standard Oil Development Co
•
Filing: 1950-07-13
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Granted: 1954-06-08
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Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Eby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:47
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/06; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON SOLVENT CONTAINING DISSOLVED THEREIN 0.01 TO 10% OF A MONOESTER OF A C12 TO C24 UNSATURATED FATTY ACID WITH A POLYHYDROXY ALIPHATIC COMPOUND CONTAINING 5 TO 6 CARBON ATOMS AND HAVING 4 TO 6 HYDROXYL GROUPS ATTACHED TO CARBON ATOMS SEPARATED FROM EACH OTHER BY NOT MORE THAN ONE CARBON ATOM CONTAINING NO HYDROXYL GROUP, WHICH MONOESTER HAS BEEN SULFURIZED BY A REACTION WITH ELEMENTARY SULFUR.
Claim 2
Dependent Claim
73 words
A COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON SOLVENT CONTAINING DISSOLVED THEREIN 0.01 TO 10% OF A MONOESTER OF A C12 TO C24 UNSATURATED FATTY ACID WITH A POLYHYDROXY ALIPHATIC COMPOUND CONTAINING 5 TO 6 CARBON ATOMS AND HAVING 4 TO 6 HYDROXYL GROUPS ATTACHED TO CARBON ATOMS SEPARATED FROM EACH OTHER BY NOT MORE THAN ONE CARBON ATOM CONTAINING NO HYDROXYL GROUP, WHICH MONOESTER HAS BEEN SULFURIZED BY A REACTION WITH ELEMENTARY SULFUR.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |