Patent US3253052A successfully refreshed from Google Patents.
US3253052A
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Preparation of synthetic lubricating oil
Assignee: Sunoco Inc
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Filing: 1963-12-31
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Granted: 1966-05-24
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Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 Donald H Antonsen
- 👤 Robert H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:13
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08F; C08F10/00; C08F10/14; C10G; C10G50/00; C10G50/02; C10M2205/00; C10M2205/02; C10M2205/028; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
METHOD OF PREPARING A SYNTHETIC LUBRICATING OIL WHICH COMPRISES CONTACTING STRAIGHT CHAIN ALPHA OLEFIN OF THE C6-C14 RANGE AT A TEMPERATURE IN THE RANGE OF 0-50*C. WITH A CATALYST SYSTEM FORMED FROM (1) ALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM ALKYL SESQUICHLORIDES AND ALUMINUM DIALKYL MONOCHLORIDES, (2) TITANIUM TETRACHLORIDE AND (3) A DI-TERTIARYALKYL PEROXIDE, THE AMOUNTS OF SAID ALUMINUM COMPOUND AND TITANIUM TETRACHLORIDE BEING SUCH THAT THE ATOMIC RATIO OF AL TO TI IS IN THE RANGE OF 0.5-2.5 AND THE AMOUNT OF SAID PEROXIDE BEING SUCH THAT THE ATOMIC RATIO OF O TO AL IS IN THE RANGE OF 0.3-0.9, AND THEREAFTER SEPARATING FROM THE REACTION MIXTURE OLEFIN POLMER OF LUBRICATING OIL BOILING RANGE.
Claim 2
Dependent Claim
117 words
METHOD OF PREPARING A SYNTHETIC LUBRICATING OIL WHICH COMPRISES CONTACTING STRAIGHT CHAIN ALPHA OLEFIN OF THE C6-C14 RANGE AT A TEMPERATURE IN THE RANGE OF 0-50*C. WITH A CATALYST SYSTEM FORMED FROM (1) ALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM ALKYL SESQUICHLORIDES AND ALUMINUM DIALKYL MONOCHLORIDES, (2) TITANIUM TETRACHLORIDE AND (3) A DI-TERTIARYALKYL PEROXIDE, THE AMOUNTS OF SAID ALUMINUM COMPOUND AND TITANIUM TETRACHLORIDE BEING SUCH THAT THE ATOMIC RATIO OF AL TO TI IS IN THE RANGE OF 0.5-2.5 AND THE AMOUNT OF SAID PEROXIDE BEING SUCH THAT THE ATOMIC RATIO OF O TO AL IS IN THE RANGE OF 0.3-0.9, AND THEREAFTER SEPARATING FROM THE REACTION MIXTURE OLEFIN POLMER OF LUBRICATING OIL BOILING RANGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |