Patent US3388067A successfully refreshed from Google Patents.
US3388067A
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Oleaginous compositions of improved viscosities containing degraded ethylene-alpha olefin polymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-03-21
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Granted: 1968-06-11
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Takashima Herbert
- 👤 Jacobson Norman
- 👤 Darrell W Brownawell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:11
CPC Classifications
C; C10; C10M; C10M143/00; C10M143/02; C08; C08F; C08F255/00; C08F255/02; C08F8/00; C08F8/50; C08L; C08L23/00; C08L23/26; C08L23/30; C08F210/00; C08F210/04; C08F210/06; C08F210/16; C08F2800/00; C08F2800/10; C08F2810/00; C08F2810/10; C10M2201/00; C10M2201/06; C10M2201/062; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/026; C10M2205/08; C10M2205/10; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2213/00; C10M2213/04; C10M2213/06; C10M2217/00; C10M2217/02; C10M2217/024; C10M2217/026; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2221/00; C10M2221/04; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/047; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A LUBRICANT COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION, SUFFICIENT TO IMPROVE THE LUBRICATING PROPERTIES OF THE OIL, OF A HYDROXYLATED DEGRADED ETHYLENE-ALPHA OLEFIN POLYMR ORIGINALLY OF A VISCOSITY AVERAGE MOLECULAR WEIGHT IN EXCESS OF 50 AND UP TO ABOUT 500,000 AND CONTAINING HYDROGEN DIRECTLY ATTACHED TO TERTIARY CARBON ATOMS, SAID DEGRADED POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF 20-85 WT. PERCENT ETHYLENE AND 15-80 WT. PERCENT C3-C10 ALPHA OLEFIN, TERPOLYMERS OF 20-85 WT. PERCENT ETHYLENE, 15-80 WT. PERCENT PROPYLENE AND 0.5-20 WT. PERCENT OF A C6-C15 ALICYCLIC OR ALIPHATIC NONCONJUGATED DIOLEFIN AND COMBINATIONS THEREOF AND HAVING A VISCOSITY AVERAGE MOLECULAR WEIGHT OF BETWEEN ABOUT 10,000 AND 150,000 AND AT LEAST 1 MILLIMOLE OF COMBINED OXYGEN PER 100 GRAMS OF POLYMER CONTAINED THEREIN.
Claim 2
Dependent Claim
131 words
A LUBRICANT COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION, SUFFICIENT TO IMPROVE THE LUBRICATING PROPERTIES OF THE OIL, OF A HYDROXYLATED DEGRADED ETHYLENE-ALPHA OLEFIN POLYMR ORIGINALLY OF A VISCOSITY AVERAGE MOLECULAR WEIGHT IN EXCESS OF 50 AND UP TO ABOUT 500,000 AND CONTAINING HYDROGEN DIRECTLY ATTACHED TO TERTIARY CARBON ATOMS, SAID DEGRADED POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF 20-85 WT. PERCENT ETHYLENE AND 15-80 WT. PERCENT C3-C10 ALPHA OLEFIN, TERPOLYMERS OF 20-85 WT. PERCENT ETHYLENE, 15-80 WT. PERCENT PROPYLENE AND 0.5-20 WT. PERCENT OF A C6-C15 ALICYCLIC OR ALIPHATIC NONCONJUGATED DIOLEFIN AND COMBINATIONS THEREOF AND HAVING A VISCOSITY AVERAGE MOLECULAR WEIGHT OF BETWEEN ABOUT 10,000 AND 150,000 AND AT LEAST 1 MILLIMOLE OF COMBINED OXYGEN PER 100 GRAMS OF POLYMER CONTAINED THEREIN.
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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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |