Patent US3290130A successfully refreshed from Google Patents.
US3290130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant for two-stroke engines
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-12-07
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Granted: 1966-12-06
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Assmann Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:51
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10L; C10L1/00; C10L1/10; C10L1/14; C10M159/00; C10M159/12; C10M159/123; C10L1/16; C10L1/1616; C10L1/24; C10L1/2431; C10L1/2437; C10L1/2493; C10L1/26; C10L1/2691; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A COMBINED LUBRICANT AND FUEL COMPOSITION OR THE LUBRICATION OF A TWO-STROKE-CYCLE GASOLINE ENGINE WHICH COMPRISES A GASOLINE TO WHICH HAVE BEEN ADDED, PER 100 PARTS OF GASOLINE: (A) FROM ABOUT 0.001 TO ABOUT 0.03 PART OF AN ALALINE EARTH METAL SALT OF AN ORGAIC SULFONIC ACID, (B) FROM ABOUT 0.00005 TO ABOUT 0.02 PART OF ADDITIONAL SULFUR IMPARTED BY A SULFUR COMPOUND SELECTED FROM THE CLASS CONSISTING OF SULFURIZED FATTY OILS HAVING FROM 5 TO 40 PERCENT SULFUR, UNSATURATED HYDROCARBONS THAT HAVE BEEN PHOSPHOSULFURIZED WITH FROM 5 TO 30 WEIGH PERCENT OF A SULFIDE OF PHOSPHORUS, AND SURFURIZED UNSATURATED HYDROCARBONS HAVING FROM 5 TO 40 WEIGHT PERCENT OF SULFUR, AND (C) FROM ABOUT 0.5 TO ABOUT 1 PART OF AHIGHLY REFINED PETROLEUM LUBRAICATING OIL HAVING A VISOCITY IN THE RANGE OF FROM 45 TO 85 SSU AT 210*F., THE PERCENTAGE RATIO OF SAID SULFONATE TO SAID LUBRICATING OIL IN SAID COMPOSITION BEING IN THE RANGE OF ABOUT 0.2 TO 3 WEIGHT PERCENT, AND THE PECENTAGE RATIO OF SAID ADDITIONAL SULFUR TO SAID LUBRICATING OIL IN SAID COMPOSITION BEING IN THE RANGE OF ABOUT 0.01 TO 2 WEIGHT PERCENT.
Claim 2
Dependent Claim
189 words
A COMBINED LUBRICANT AND FUEL COMPOSITION OR THE LUBRICATION OF A TWO-STROKE-CYCLE GASOLINE ENGINE WHICH COMPRISES A GASOLINE TO WHICH HAVE BEEN ADDED, PER 100 PARTS OF GASOLINE: (A) FROM ABOUT 0.001 TO ABOUT 0.03 PART OF AN ALALINE EARTH METAL SALT OF AN ORGAIC SULFONIC ACID, (B) FROM ABOUT 0.00005 TO ABOUT 0.02 PART OF ADDITIONAL SULFUR IMPARTED BY A SULFUR COMPOUND SELECTED FROM THE CLASS CONSISTING OF SULFURIZED FATTY OILS HAVING FROM 5 TO 40 PERCENT SULFUR, UNSATURATED HYDROCARBONS THAT HAVE BEEN PHOSPHOSULFURIZED WITH FROM 5 TO 30 WEIGH PERCENT OF A SULFIDE OF PHOSPHORUS, AND SURFURIZED UNSATURATED HYDROCARBONS HAVING FROM 5 TO 40 WEIGHT PERCENT OF SULFUR, AND (C) FROM ABOUT 0.5 TO ABOUT 1 PART OF AHIGHLY REFINED PETROLEUM LUBRAICATING OIL HAVING A VISOCITY IN THE RANGE OF FROM 45 TO 85 SSU AT 210*F., THE PERCENTAGE RATIO OF SAID SULFONATE TO SAID LUBRICATING OIL IN SAID COMPOSITION BEING IN THE RANGE OF ABOUT 0.2 TO 3 WEIGHT PERCENT, AND THE PECENTAGE RATIO OF SAID ADDITIONAL SULFUR TO SAID LUBRICATING OIL IN SAID COMPOSITION BEING IN THE RANGE OF ABOUT 0.01 TO 2 WEIGHT PERCENT.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |