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US2551640A Expired / Lapsed US ⏱️ 0.0 years remaining

Synthetic lubricants

Assignee: ExxonMobil Oil Corp
•
Filing: 1947-09-26
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Granted: 1951-05-08
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Expires: 1967-09-26
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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 08:25
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)

GB581899A Cited
US2440800A Cited
US2438021A Cited

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

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