US2637703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aromatic-free mineral oil rust inhibiting compositions
Assignee: Standard Oil Development Co
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Filing: 1951-03-08
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Granted: 1953-05-05
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Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Dixon
- 👤 Lorne W Sproule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:23
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/28; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A CORROSION INHIBITING COMPOSITION COMPRISING A SUBSTANTIALLY AROMATIC-FREE MINERAL OIL CONTAINING DISSOLVED THEREIN AN OIL-SOLUBLE SODIUM PETROLEUM SULFONATE IN AN AMOUNT OF 15 TO 30 WEIGHT PER CENT, ETHYLENEGLYCOL MONOBUTYLETHER IN AN AMOUNT OF 0.75 TO 1.5 WEIGHT PER CENT, AND AN AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A MIXTURE OF SORBITAN MONOLAURATE IN AN AMOUNT OF FROM 3 TO 6 WEIGHT PER CENT AND SORBITAN MONOOLEATE IN AN AMOUNT OF 0.75 TO 1.5 WEIGHT PER CENT, AND (2) PENTAERYTHRITOL MONOOLEATE IN AN AMOUNT OF 2 TO 4 WEIGHT PER CENT.
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) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |