US2689222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soluble cutting oil
Assignee: Standard Oil Development Co
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Filing: 1951-12-15
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Granted: 1954-09-14
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Expires: 1971-12-15
Abstract
No abstract record available.
Inventors
- 👤 John D Oathout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/16; C10M2207/28; C10M2207/287; C10M2207/289; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SOLUBLE METAL WORKING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL BASE LUBRICATING OIL, A MINOR EMULSIFYING PROPORTION OF AN OIL-SOLUBLE SULFONATE, A MINOR PROPORTION OF SULFURIZED FATTY OIL OF 6-20 WT. % SULFUR CONTENT, SUFFICIENT TO INCREASE THE LOAD-CARRYING CAPACITY OF SAID COMPOSITION, THE WEIGHT RATIO OF SAID SULFONATE TO SAID SULFURIZED FATTY OIL BEING ABOUT 1:2 TO ABOUT 2:1, AND ABOUT 0.1 TO ABOUT 3% BY WEIGHT OF TOTAL COMPOSITION OF A POLYOZYETHYLENE FATTY ACID TRI-ESTER OF SORBITAN.
Claim 2
Dependent Claim
81 words
A SOLUBLE METAL WORKING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL BASE LUBRICATING OIL, A MINOR EMULSIFYING PROPORTION OF AN OIL-SOLUBLE SULFONATE, A MINOR PROPORTION OF SULFURIZED FATTY OIL OF 6-20 WT. % SULFUR CONTENT, SUFFICIENT TO INCREASE THE LOAD-CARRYING CAPACITY OF SAID COMPOSITION, THE WEIGHT RATIO OF SAID SULFONATE TO SAID SULFURIZED FATTY OIL BEING ABOUT 1:2 TO ABOUT 2:1, AND ABOUT 0.1 TO ABOUT 3% BY WEIGHT OF TOTAL COMPOSITION OF A POLYOZYETHYLENE FATTY ACID TRI-ESTER OF SORBITAN.
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) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |