US2929783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil compositions containing stabilized salt suspension
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-10-24
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Granted: 1960-03-22
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:15
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/11; C10M2209/111; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2227/00; C10M2227/02; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF ABOUT 0.5 TO 50 WT. PERCENT OF CALCIUM ACETATE IN LUBRICATING OIL, WHICH IS STABILIZED AGAINST CALCIUM ACETATE PRECIPITATION WITH ABOUT 0.05 TO 1.0 PARTS BY WEIGHT PER PART BY WEIGHT OF CALCIUM ACETATE OF A NON-METALLIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF IONIC AND CATIONIC SURFACE ACTIVE AGENTS CONTAINING 5 TO 200 POLYALKYLENEOXY GROUPS HAVING 2 TO 4 CARBON ATOMSE PER GROUP AND HAVING AT LEAST ONE TERMINAL HYDROXY GROUP IN THE MOLECULE.
Claim 2
Dependent Claim
86 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF ABOUT 0.5 TO 50 WT. PERCENT OF CALCIUM ACETATE IN LUBRICATING OIL, WHICH IS STABILIZED AGAINST CALCIUM ACETATE PRECIPITATION WITH ABOUT 0.05 TO 1.0 PARTS BY WEIGHT PER PART BY WEIGHT OF CALCIUM ACETATE OF A NON-METALLIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF IONIC AND CATIONIC SURFACE ACTIVE AGENTS CONTAINING 5 TO 200 POLYALKYLENEOXY GROUPS HAVING 2 TO 4 CARBON ATOMSE PER GROUP AND HAVING AT LEAST ONE TERMINAL HYDROXY GROUP IN THE MOLECULE.
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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |