US2551643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic lubricants from alphamonoolefins and unsaturated esters and method for producing the same
Assignee: ExxonMobil Oil Corp
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Filing: 1949-01-25
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Granted: 1951-05-08
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Expires: 1969-01-25
Abstract
No abstract record available.
Inventors
- 👤 Francis M Seger
- 👤 William E Garwood
- 👤 Alexander N Sachanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:30
CPC Classifications
C; C10; C10M; C10M3/00; C10M107/00; C10M107/20; C10M107/22; C10M107/26; C10M145/00; C10M145/02; C10M145/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/14; C10M2207/142; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE PROCESS FOR THE PRODUCTION OF A SYNTHETIC LUBRICATING OIL BY CONDENSING A NORMAL ALPHA MONO-OLEFIN HAVING FROM 8 TO 12 CARBON ATOMS, AN UNSATURATED ORGANIC ESTER AND AN ORGANIC PEROXIDE, WHICH COMPRISES: CONDENSING, AT A TEMPERATURE BETWEEN ABOUT 50* C. AND ABOUT 200* C. FOR A PERIOD OF TIME SUFFICIENT TO EFFECT CONDENSATION, ONE MOLAR PROPORTION OF SAID MONO-OLEFIN, BETWEEN ABOUT 0.01 AND ABOUT ONE MOLAR PROPORTION OF SAID ESTER AND BETWEEN ABOUT 0.02 AND ABOUT 0.2 MOLAR PROPORTION OF SAID PEROXIDE, AND SEPARATING FROM THE REACTION PRODUCT THUS FORMED SAID SYNTHETIC LUBRICATING OIL; SAID ESTER BEING REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
103 words
THE PROCESS FOR THE PRODUCTION OF A SYNTHETIC LUBRICATING OIL BY CONDENSING A NORMAL ALPHA MONO-OLEFIN HAVING FROM 8 TO 12 CARBON ATOMS, AN UNSATURATED ORGANIC ESTER AND AN ORGANIC PEROXIDE, WHICH COMPRISES: CONDENSING, AT A TEMPERATURE BETWEEN ABOUT 50* C. AND ABOUT 200* C. FOR A PERIOD OF TIME SUFFICIENT TO EFFECT CONDENSATION, ONE MOLAR PROPORTION OF SAID MONO-OLEFIN, BETWEEN ABOUT 0.01 AND ABOUT ONE MOLAR PROPORTION OF SAID ESTER AND BETWEEN ABOUT 0.02 AND ABOUT 0.2 MOLAR PROPORTION OF SAID PEROXIDE, AND SEPARATING FROM THE REACTION PRODUCT THUS FORMED SAID SYNTHETIC LUBRICATING OIL; SAID ESTER BEING REPRESENTED BY THE GENERAL 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) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |