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US3365476A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the preparation of carboxylic acid salts

Assignee: Gulf Research and Development Co
•
Filing: 1963-12-23
•
Granted: 1968-01-23
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Expires: 1983-12-23
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Abstract

No abstract record available.

Inventors

  • 👤 Harold L Dimond
  • 👤 Arthur C Whitaker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:21
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/295

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 237 words
A PROCESS FOR THE PREPARATION OF A SALT OF AT LEAST ONE OXYGEN-CONTAINING ORGANIC ACID FROM AT LEAST ONE OXYGEN-CONTAINING COMPOUND REACTANT SELECTED FROM GROUP CONSISTING OF UNSUBSTITUTED ALIPHATIC AND UNSUBSTITUTED MONOCYCLIC ARALKYL PRIMARY ALCOHOLS HAVING BETWEEN 1 AND 40 CARBON ATOMS; UNSUBSTITUTED ALIPHATIC AND UNSUBSTITUTED MONOCYCLIC ARALKYL ALDEHYDES HAVING BETWEEN 1 AND 40 CARBON ATOMS; UNSUBSTITUTED ALIPHATIC ALDOLS HAVING BETWEEN 1 AND 40 CARBON ATOMS; UNSUBSTITUTED ALIPHATIC ACETALS HAVING BETWEEN 1 AND 40 CARBON ATOMS AND AT LEAST TWO HYDROGEN ATOMS ON AT LEAST ONE OF THE CARBON ATOMS ADJACENT TO AT LEAST ONE OF THE ETHER OXYGEN ATOMS; UNSUBSTITUTED ALIPHATIC MONOETHERS HAVING BETWEEN 1 AND 40 CARBON ATOMS AND AT LEAST TWO HYDROGEN ATOMS ON AT LEAST ONE OF THE CARBON ATOMS ADJACENT TO THE ETHER OXYGEN ATOM; AND ORGANIC ESTERS HAVING BETWEEN 1 AND 40 CARBON ATOMS WHEREIN THE ACID AND ALCOHOL PORTIONS OF THE ESTER ARE ALIPHATIC HYDROCARBON RADICALS COMPRISING CONTACTING SAID OXYGEN-CONTAINING COMPOUND REACTANT IN THE LIQUID PHASE WITH AN ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL OXIDES AND HYDROXIDES UNDER OXIDATIVE DEHYDROGENATION CONDITIONS INCLUDING A TEMPERATURE BETWEEN 175* AND 400*C. AND A PRESSURE SUFFICIENT TO MAINTAIN THE REACTANTS IN THE LIQUID PHASE IN THE PRESENCE OF AT LEAST 0.1 WEIGHT PERCENT SOLID CARBON BASED ON THE AMOUNT OF SAID OXYGEN-CONTAINING COMPOUND REACTANT, SAID SOLID CARBON HAVING A SURFACE AREA BETWEEN 25 AND 1700 SQUARE METERS PER GRAM.
Claim 2
Dependent Claim 237 words
A PROCESS FOR THE PREPARATION OF A SALT OF AT LEAST ONE OXYGEN-CONTAINING ORGANIC ACID FROM AT LEAST ONE OXYGEN-CONTAINING COMPOUND REACTANT SELECTED FROM GROUP CONSISTING OF UNSUBSTITUTED ALIPHATIC AND UNSUBSTITUTED MONOCYCLIC ARALKYL PRIMARY ALCOHOLS HAVING BETWEEN 1 AND 40 CARBON ATOMS; UNSUBSTITUTED ALIPHATIC AND UNSUBSTITUTED MONOCYCLIC ARALKYL ALDEHYDES HAVING BETWEEN 1 AND 40 CARBON ATOMS; UNSUBSTITUTED ALIPHATIC ALDOLS HAVING BETWEEN 1 AND 40 CARBON ATOMS; UNSUBSTITUTED ALIPHATIC ACETALS HAVING BETWEEN 1 AND 40 CARBON ATOMS AND AT LEAST TWO HYDROGEN ATOMS ON AT LEAST ONE OF THE CARBON ATOMS ADJACENT TO AT LEAST ONE OF THE ETHER OXYGEN ATOMS; UNSUBSTITUTED ALIPHATIC MONOETHERS HAVING BETWEEN 1 AND 40 CARBON ATOMS AND AT LEAST TWO HYDROGEN ATOMS ON AT LEAST ONE OF THE CARBON ATOMS ADJACENT TO THE ETHER OXYGEN ATOM; AND ORGANIC ESTERS HAVING BETWEEN 1 AND 40 CARBON ATOMS WHEREIN THE ACID AND ALCOHOL PORTIONS OF THE ESTER ARE ALIPHATIC HYDROCARBON RADICALS COMPRISING CONTACTING SAID OXYGEN-CONTAINING COMPOUND REACTANT IN THE LIQUID PHASE WITH AN ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL OXIDES AND HYDROXIDES UNDER OXIDATIVE DEHYDROGENATION CONDITIONS INCLUDING A TEMPERATURE BETWEEN 175* AND 400*C. AND A PRESSURE SUFFICIENT TO MAINTAIN THE REACTANTS IN THE LIQUID PHASE IN THE PRESENCE OF AT LEAST 0.1 WEIGHT PERCENT SOLID CARBON BASED ON THE AMOUNT OF SAID OXYGEN-CONTAINING COMPOUND REACTANT, SAID SOLID CARBON HAVING A SURFACE AREA BETWEEN 25 AND 1700 SQUARE METERS PER GRAM.

References Cited (Backward Citations)

US2766267A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-22 1971-07-24 1972-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-22 1975-07-24 1976-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-22 1979-07-24 1980-01-23 $7700.00 Window Closed / Lapsed

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