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Patent US2551640A successfully refreshed from Google Patents.
US2551640A
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Synthetic lubricants
Assignee: ExxonMobil Oil Corp
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Filing: 1947-09-26
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Granted: 1951-05-08
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Expires: 1967-09-26
Abstract
No abstract record available.
Inventors
- 👤 Francis M Seger
- 👤 Charles F Feasley
- 👤 Alexander N Sachanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:47
CPC Classifications
C; C10; C10M; C10M3/00; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A VISCOUS OIL FORMED BY: REACTING A MIXTURE CONSISTING ESSENTIALLY OF ONE MOLECULAR PROPORTION OF A HALOGENATED OLEFIN, FROM 0.5 TO 1.5 MOLECULAR PROPORTIONS OF A NORMAL ALPHA-MONOOLEFIN CONTAINING FROM ABOUT SIX TO ABOUT EIGHTEEN CARBON ATOMS, AND FROM ABOUT 0.01 TO 0.3 MOLECULAR PRO PORTION OF AN ORGANIC PEROXIDE.
Claim 2
Dependent Claim
50 words
A VISCOUS OIL FORMED BY: REACTING A MIXTURE CONSISTING ESSENTIALLY OF ONE MOLECULAR PROPORTION OF A HALOGENATED OLEFIN, FROM 0.5 TO 1.5 MOLECULAR PROPORTIONS OF A NORMAL ALPHA-MONOOLEFIN CONTAINING FROM ABOUT SIX TO ABOUT EIGHTEEN CARBON ATOMS, AND FROM ABOUT 0.01 TO 0.3 MOLECULAR PRO PORTION OF AN ORGANIC PEROXIDE.
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 |