Patent US2944022A successfully refreshed from Google Patents.
US2944022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine diesel lubricant
Assignee: ExxonMobil Oil Corp
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Filing: 1956-07-09
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Granted: 1960-07-05
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Ulzheimer
- 👤 John C Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:33
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/05; C10M2201/06; C10M2201/063; C10M2203/00; C10M2205/00; C10M2205/16; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/28; C10M2207/287; C10M2207/289; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253; C10N2050/00; C10N2050/01; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN EMULSION LUBRICANT FOR MARINE DIESELS WHICH CONSISTS OF BY WEIGHT OF THE LUBRICANT, BETWEEN ABOUT 10 PERCENT AND ABOUT 50 PERCENT WATER, BETWEEN ABOUT 80 PERCENT AND ABOUT 45 PERCENT MINERAL LUBRICATING OIL, HAVING A SAYBOLT UNIVERSAL VISCOSITY OF BETWEEN ABOUT 45 SECONDS AND ABOUT 100 SECONDS MEASURED AT 210*F., BETWEEN ABOUT 1 PERCENT AND ABOUT 5 PERCENT ALKALI-METAL HYDROXIDE, THE AMOUNT THEREOF BEING SUFFICIENT TO EFFECT A TOTAL BASE NUMBER IN THE LUBRICANT OF BETWEEN ABOUT 10 AND ABOUT 100, BETWEEN ABOUT 1 PERCENT AND ABOUT 10 PERCENT CALCIUM PETROLEUM SULFONATE, BETWEEN ABOUT 3 PERCENT AND ABOUT 7 PERCENT OF A MIXTURE OF POLYHYDRIC ALCOHOL ESTERS OF HIGH MOLECULAR WEIGHT ACIDS OBTAINED BY CONTROLLED OXIDATION OF PETROLEUM WAX, AND BETWEEN ABOUT 0.5 PERCENT AND ABOUT ONE PERCENT SATURATED FATTY ACID HAVING BETWEEN 16 AND 20 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
141 words
AN EMULSION LUBRICANT FOR MARINE DIESELS WHICH CONSISTS OF BY WEIGHT OF THE LUBRICANT, BETWEEN ABOUT 10 PERCENT AND ABOUT 50 PERCENT WATER, BETWEEN ABOUT 80 PERCENT AND ABOUT 45 PERCENT MINERAL LUBRICATING OIL, HAVING A SAYBOLT UNIVERSAL VISCOSITY OF BETWEEN ABOUT 45 SECONDS AND ABOUT 100 SECONDS MEASURED AT 210*F., BETWEEN ABOUT 1 PERCENT AND ABOUT 5 PERCENT ALKALI-METAL HYDROXIDE, THE AMOUNT THEREOF BEING SUFFICIENT TO EFFECT A TOTAL BASE NUMBER IN THE LUBRICANT OF BETWEEN ABOUT 10 AND ABOUT 100, BETWEEN ABOUT 1 PERCENT AND ABOUT 10 PERCENT CALCIUM PETROLEUM SULFONATE, BETWEEN ABOUT 3 PERCENT AND ABOUT 7 PERCENT OF A MIXTURE OF POLYHYDRIC ALCOHOL ESTERS OF HIGH MOLECULAR WEIGHT ACIDS OBTAINED BY CONTROLLED OXIDATION OF PETROLEUM WAX, AND BETWEEN ABOUT 0.5 PERCENT AND ABOUT ONE PERCENT SATURATED FATTY ACID HAVING BETWEEN 16 AND 20 CARBON ATOMS PER MOLECULE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |