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Class Information
Number: 562/412
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carboxylic acids and salts thereof > Aromatic > Formation of carboxyl group by oxidation > Of aromatic compound > Alkyl side chain oxidized > Air, oxygen, or ozone oxidant
Description: Processes wherein the oxidizing agent utilized is air, oxygen, or ozone.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615145 |
One-pot process for the reduction of sulfur, nitrogen and the production of useful oxygenates from hydrocarbon materials via one-pot selective oxidation |
Nov. 10, 2009 |
| 7608732 |
Optimized liquid-phase oxidation |
Oct. 27, 2009 |
| 7608733 |
Optimized liquid-phase oxidation |
Oct. 27, 2009 |
| 7601795 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
Oct. 13, 2009 |
| 7598415 |
Process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water |
Oct. 6, 2009 |
| 7592481 |
Process for the synthesis of hydroxy aromatic acids |
Sep. 22, 2009 |
| 7591943 |
Process for the reduction of sulfur, nitrogen and the production of useful oxygenates from hydrocarbon materials via one-pot selective oxidation |
Sep. 22, 2009 |
| 7589231 |
Optimized liquid-phase oxidation |
Sep. 15, 2009 |
| 7585999 |
Process for the synthesis of 2, 5-dihydroxyterephthalic acid |
Sep. 8, 2009 |
| 7576237 |
Process for the synthesis of 2,5-Dihydroxyterephthalic acid |
Aug. 18, 2009 |
| 7572932 |
Optimized liquid-phase oxidation |
Aug. 11, 2009 |
| 7566802 |
Process for energy recovery and water removal in the preparation of aromatic carboxylic acids |
Jul. 28, 2009 |
| 7556784 |
Optimized production of aromatic dicarboxylic acids |
Jul. 7, 2009 |
| 7557243 |
Enriched terephthalic acid composition |
Jul. 7, 2009 |
| 7553990 |
Process for the synthesis of 2, 5-dihydroxyterephthalic acid |
Jun. 30, 2009 |
| 7538244 |
Process for the synthesis of hydroxy aromatic acids |
May. 26, 2009 |
| 7538237 |
Process for high shear gas-liquid reactions |
May. 26, 2009 |
| 7524986 |
Methods for producing aromatic carboxylic acids |
Apr. 28, 2009 |
| 7507857 |
Optimized liquid-phase oxidation |
Mar. 24, 2009 |
| 7507856 |
Method of oxidising hydrocarbons to acids |
Mar. 24, 2009 |
| 7504535 |
Optimized liquid-phase oxidation |
Mar. 17, 2009 |
| 7501537 |
Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange |
Mar. 10, 2009 |
| 7494641 |
Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
Feb. 24, 2009 |
| 7495125 |
Optimized liquid-phase oxidation |
Feb. 24, 2009 |
| 7465824 |
Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification |
Dec. 16, 2008 |
| 7462727 |
Multimetal oxide containing silver, vanadium and a promoter metal and use thereof |
Dec. 9, 2008 |
| 7410632 |
Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
Aug. 12, 2008 |
| 7393973 |
Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
Jul. 1, 2008 |
| 7378544 |
Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
May. 27, 2008 |
| 7371866 |
Preparation of aromatic and heteroaromatic carboxylic acids by catalytic ozonolysis |
May. 13, 2008 |
| 7348452 |
Liquid phase oxidation of P-xylene to terephthalic acid in the presence of a catalyst system containing nickel, manganese, and bromine atoms |
Mar. 25, 2008 |
| 7314954 |
System and method for recovering PTA mother liquid and purifying and regenerating of catalyst |
Jan. 1, 2008 |
| 7285677 |
System and method for recovering CTA residues and purifying/regenerating catalyst |
Oct. 23, 2007 |
| 7276625 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
Oct. 2, 2007 |
| 7273950 |
Process and apparatus for the efficient oxidation of alkyl aromatic compounds |
Sep. 25, 2007 |
| 7271286 |
Carboxylation of aromatic hydrocarbons to produce aromatic carboxylic acids |
Sep. 18, 2007 |
| 7271285 |
Process for producing aromatic carboxylic acids |
Sep. 18, 2007 |
| 7238833 |
Production of aromatic carboxylic acids |
Jul. 3, 2007 |
| 7153480 |
Apparatus for and method of producing aromatic carboxylic acids |
Dec. 26, 2006 |
| 7135596 |
Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids |
Nov. 14, 2006 |
| 7094925 |
Oxidation of alkyl-aromatic compounds |
Aug. 22, 2006 |
| 7060853 |
Method for increasing oxidation reactor production capacity |
Jun. 13, 2006 |
| 7049465 |
Process for energy recovery in processes for the preparation of aromatic carboxylic acids |
May. 23, 2006 |
| 6984753 |
Agitation system for alkylbenzene oxidation reactors |
Jan. 10, 2006 |
| 6949673 |
Process for producing carboxylic acids |
Sep. 27, 2005 |
| 6852879 |
Method of removing iron oxide deposits from the surface of titanium components |
Feb. 8, 2005 |
| 6768013 |
Intrinsically safe oxidation process |
Jul. 27, 2004 |
| 6765113 |
Production of aromatic carboxylic acids |
Jul. 20, 2004 |
| 6761860 |
Apparatus for the production of aromatic acids |
Jul. 13, 2004 |
| 6759550 |
Oxidation of alkyl aromatic compounds to aromatic acids in an aqueous medium |
Jul. 6, 2004 |
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