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Patent US3108960A successfully refreshed from Google Patents.
US3108960A
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Lubricant composition
Assignee: Lubrizol Corp
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Filing: 1961-05-02
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Granted: 1963-10-29
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Expires: 1981-05-02
Abstract
No abstract record available.
Inventors
- 👤 Suer William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:24
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C08; C08F; C08F8/00; C08F8/12; C08F8/44; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2691; C10M2205/00; C10M2205/02; C10M2205/026; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/12; C10M2215/24; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION OF A DETERGENT ADDITIVE PREPARED BY THE PROCESS COMPRISING REACTING AT A TEMPERATURE ABOVE ABOUT 130*C. A MIXTURE OF A CHLORINATED SUBSTANTIALLY ALIPHATIC POLYMER OF A LOWER MONO-OLEFIN CONTAINING FROM ABOUT 0.1% TO ABOUT 20% BY WEIGHT OF CHLORINE AND A PHOSPHORUS SULFIDE IN AN AMOUNT RANGING FROM ABOUT 0.5 MOLE TO ABOUT 2 MOLES OF PHOSPHORUS FOR EACH MOLE OF THE CHLORINE PRESENT IN SAID POLYMER, HYDROLYZING THE RESULTING PRODUCT AND NEUTRALING THE HYDROLYZED PRODUCT WITH A BASIC INORGANIC METAL NEUTRALIZING AGENT.
Claim 2
Dependent Claim
98 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION OF A DETERGENT ADDITIVE PREPARED BY THE PROCESS COMPRISING REACTING AT A TEMPERATURE ABOVE ABOUT 130*C. A MIXTURE OF A CHLORINATED SUBSTANTIALLY ALIPHATIC POLYMER OF A LOWER MONO-OLEFIN CONTAINING FROM ABOUT 0.1% TO ABOUT 20% BY WEIGHT OF CHLORINE AND A PHOSPHORUS SULFIDE IN AN AMOUNT RANGING FROM ABOUT 0.5 MOLE TO ABOUT 2 MOLES OF PHOSPHORUS FOR EACH MOLE OF THE CHLORINE PRESENT IN SAID POLYMER, HYDROLYZING THE RESULTING PRODUCT AND NEUTRALING THE HYDROLYZED PRODUCT WITH A BASIC INORGANIC METAL NEUTRALIZING AGENT.
References Cited (Backward Citations)
CA566760A
Cited
US2313248A
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US2409799A
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US2444947A
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US2993856A
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US3003959A
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |