US3206523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of synthetic lubricating oil
Assignee: Sunoco Inc
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Filing: 1964-07-14
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Granted: 1965-09-14
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Donald H Antonsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08F; C08F10/00; C08F10/14; C10G; C10G50/00; C10G50/02; C10M2205/00; C10M2205/02; C10M2205/028; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 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) AN ALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM ALKYL SESQUICHLORIDES, ALUMINUM DIALKYL MONOCHLORIDES AND ALUMINUM MONOALKYL DICHLORIDES, (2) TITANIUM TETRACHLORIDE AND (3) AN OXYGEN-CONTAINING ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIRANES HAVING THE FORMULA.
Claim 2
Dependent Claim
72 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) AN ALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM ALKYL SESQUICHLORIDES, ALUMINUM DIALKYL MONOCHLORIDES AND ALUMINUM MONOALKYL DICHLORIDES, (2) TITANIUM TETRACHLORIDE AND (3) AN OXYGEN-CONTAINING ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIRANES HAVING THE FORMULA.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |