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US3129183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil
Assignee: Sunoco Inc
•
Filing: 1957-11-07
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Granted: 1964-04-14
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Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Schneider Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:44
CPC Classifications
C; C10; C10M; C10M143/00; C08; C08F; C08F10/00; C10N; C10N2030/00; C10N2030/02; C10N2070/00; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PROCESS FOR IMPROVING A PETROLEUM LUBRICATING OIL CONTAINING ISOPARAFFINIC, AROMATIC AND NAPHTHENIC COMPONENTS WHICH COMPRISES REACTING SAID LUBRICATING OIL AND AN ALKALI METAL ALKYL CONTAINING FROM 1-12 CARBON ATOMS UNDER SUBSTANTIALLY ANHYDROUS AND OXYGEN-FREE CONDITIONS AT A TEMPERATURE IN THE RANGE FROM AMBIENT TEMPERATURE TO 200*C. WHEREBY ORGANO-METALLIC COMPOUNDS OF SAID LUBRICATING OIL COMPONENTS ARE FORMED, SUBSEQUENTLY CONTACTING THE METALLATED OIL AT POLYMERIZATION CONDITIONS WITH AN ALPHA-OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS AND A POLYMERIZATION CATALYST SELECTED FROM THE GROUP CONSISTING OF HALIDES OF TITANIUM, ZIRCONIUM, CHROMIUM, VANADI UM AND MOLYBDENUM AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 0*C. TO ABOUT 250*C. AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 10,000 P.S.I.G. WHEREBY THE SAID ALPHA-OLEFIN IS POLYMERIZED AND CONDENSES WITH THE LUBRICATING OIL, REPLACING THE ALKALI METAL.
Claim 2
Dependent Claim
137 words
A PROCESS FOR IMPROVING A PETROLEUM LUBRICATING OIL CONTAINING ISOPARAFFINIC, AROMATIC AND NAPHTHENIC COMPONENTS WHICH COMPRISES REACTING SAID LUBRICATING OIL AND AN ALKALI METAL ALKYL CONTAINING FROM 1-12 CARBON ATOMS UNDER SUBSTANTIALLY ANHYDROUS AND OXYGEN-FREE CONDITIONS AT A TEMPERATURE IN THE RANGE FROM AMBIENT TEMPERATURE TO 200*C. WHEREBY ORGANO-METALLIC COMPOUNDS OF SAID LUBRICATING OIL COMPONENTS ARE FORMED, SUBSEQUENTLY CONTACTING THE METALLATED OIL AT POLYMERIZATION CONDITIONS WITH AN ALPHA-OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS AND A POLYMERIZATION CATALYST SELECTED FROM THE GROUP CONSISTING OF HALIDES OF TITANIUM, ZIRCONIUM, CHROMIUM, VANADI UM AND MOLYBDENUM AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 0*C. TO ABOUT 250*C. AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 10,000 P.S.I.G. WHEREBY THE SAID ALPHA-OLEFIN IS POLYMERIZED AND CONDENSES WITH THE LUBRICATING OIL, REPLACING THE ALKALI METAL.
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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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |