US2631131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized compositions containing sulfurized esters of tall oil
Assignee: TIDE WATER ASSOCIATED OIL Co
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Filing: 1950-04-19
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Granted: 1953-03-10
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Expires: 1970-04-19
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Waugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:47
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/06; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/20; C10N2040/22; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL OIL HAVING DISSOLVED THEREIN A SULFURIZED ESTERIFIED TALL OIL IN AN AMOUNT SUFFICIENT TO IMPROVE THE LUBRICATING QUALITIES OF SAID OIL BUT WHICH HAS A TENDENCY TO FORM DEPOSITS ADHESIVE TO METALS IN CONTACT THEREWITH AND AN OIL-SOLUBLE METAL SALT OF AN ESTER OF THIOPHOSPHORIC ACID IN AN AMOUNT SUFFICIENT TO INHIBIT SAID COMPOSITION AGAINST SAID FORMATION OF METAL-ADHERING DEPOSITS.
Claim 2
Dependent Claim
67 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL OIL HAVING DISSOLVED THEREIN A SULFURIZED ESTERIFIED TALL OIL IN AN AMOUNT SUFFICIENT TO IMPROVE THE LUBRICATING QUALITIES OF SAID OIL BUT WHICH HAS A TENDENCY TO FORM DEPOSITS ADHESIVE TO METALS IN CONTACT THEREWITH AND AN OIL-SOLUBLE METAL SALT OF AN ESTER OF THIOPHOSPHORIC ACID IN AN AMOUNT SUFFICIENT TO INHIBIT SAID COMPOSITION AGAINST SAID FORMATION OF METAL-ADHERING DEPOSITS.
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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |