US2682508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil compositions of suppressed foaming tendency
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-05-08
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Granted: 1954-06-29
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Expires: 1971-05-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Godfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:22
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/06; C10M2219/062; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A MINERAL LUBRIACTING OIL COMPOSITON COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL CONTAINING A SMALL AMOUNT OF AN ALKARYL PHOSPHORUS ESTER ADDITIVE AND AN AMIDE OF A LOWER ALIPHATIC CARBOXYLIC ACID IN SMALL AMOUNT SUFFICIENT TO DECREASE THE NORMAL FOAMING PROPERTIES OF THE COMPOSITION.
Claim 2
Dependent Claim
45 words
A MINERAL LUBRIACTING OIL COMPOSITON COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL CONTAINING A SMALL AMOUNT OF AN ALKARYL PHOSPHORUS ESTER ADDITIVE AND AN AMIDE OF A LOWER ALIPHATIC CARBOXYLIC ACID IN SMALL AMOUNT SUFFICIENT TO DECREASE THE NORMAL FOAMING PROPERTIES OF THE COMPOSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |