Patent US3600451A successfully refreshed from Google Patents.
US3600451A
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Polymer alkylation of aromatics
Assignee: Total Petrochemicals and Refining USA Inc
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Filing: 1969-09-05
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Granted: 1971-08-17
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Expires: 1989-09-05
Abstract
Abstract A POLYBUTENE POLYMER OF HIGH MOLECULAR WEIGHT IS ALLYLATED UPON A BENZENE RING COMPOUND TO PRODUCE HEAT STABLE HIGHER ISOALKYL COMPOUNDS HAVING AT LEAST ONE AND USUALLY MORE BENZENE RING POSITIONS ISOALKYLATED TO HIGHER MOLECULAR WEIGHT HIGHER IOSLAKYL BENZENE COMPOUNDS HIGHLY HEAT STABLE AND USEFUL AS LUBRICANT, HYDRAULIC OIL, OR HEAT TRANSFER FLUID.
Inventors
- 👤 Richard Duwayne Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C15/00; C07C15/02; C07C15/107; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/68; C08; C08F; C08F8/00; C08F8/34; C08F8/36; C09; C09K; C09K5/00; C09K5/08; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24; C07C2603/26; C08F2800/00; C08F2800/20; C10M2203/00; C10M2203/06; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/14; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |