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US3683035A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for manufacturing alcohols by oxidation of hydrocarbons

Assignee: IFP Energies nouvelles
•
Filing: 1968-05-14
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Granted: 1972-08-08
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Expires: 1988-05-14
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Abstract

Abstract A process for manufacturing alcohols by oxidation of saturated hydrocarbons containing five-eight carbon atoms per molecule, in the liquid phase, by means of molecular oxygen, in the presence of a boron compound, wherein the oxidation product is successively hydrolyzed, saponified and distilled, said process comprising vaporizing a part of the unconverted hydrocarbon contained in the said oxidation product, before saponification, and thereafter treating the vaporized hydrocarbon by means of mineral base and finally recycling said hydrocarbon to the oxidation zone.

Inventors

  • 👤 Jacob Alagy
  • 👤 Francois Bigache
  • 👤 Bernard Cha

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:02
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; C07C29/52; C07C2601/00; C07C2601/12; C07C2601/14

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 13 words
A process according to claim 1, wherein the mineral base is sodium hydroxide.
Claim 2
Dependent Claim 21 words
A process according to claim 1, wherein there is used an excess of mineral base with respect to the free acids.
Claim 3
Dependent Claim 11 words
A process according to claim 1, wherein the hydrocarbon is cyclohexane.

References Cited (Backward Citations)

US2557281A Cited
US2626284A Cited
US2595763A Cited
US2595786A Cited
GB900627A Cited
US3287423A Cited
US3232704A Cited
US3359335A Cited
US3442959A Cited
US3439041A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-08-08 1976-02-07 1976-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-08 1980-02-07 1980-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-08 1984-02-07 1984-08-08 $7700.00 Window Closed / Lapsed

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