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Class Information
Number: 562/416
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 > Halogen containing catalyst, initiator, or promoter utilized
Description: Processes wherein the oxidation process is carried out in the presence of a catalyst, or initiator or promoter which contains a halogen.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7608732 |
Optimized liquid-phase oxidation |
Oct. 27, 2009 |
| 7608733 |
Optimized liquid-phase oxidation |
Oct. 27, 2009 |
| 7589231 |
Optimized liquid-phase oxidation |
Sep. 15, 2009 |
| 7582793 |
Optimized liquid-phase oxidation |
Sep. 1, 2009 |
| 7572936 |
Optimized liquid-phase oxidation |
Aug. 11, 2009 |
| 7568361 |
Optimized liquid-phase oxidation |
Aug. 4, 2009 |
| 7566802 |
Process for energy recovery and water removal in the preparation of aromatic carboxylic acids |
Jul. 28, 2009 |
| 7557243 |
Enriched terephthalic acid composition |
Jul. 7, 2009 |
| 7556784 |
Optimized production of aromatic dicarboxylic acids |
Jul. 7, 2009 |
| 7546747 |
Process for production of a dried carboxylic acid cake suitable for use in polyester production |
Jun. 16, 2009 |
| 7541489 |
Method of making halophthalic acids and halophthalic anhydrides |
Jun. 2, 2009 |
| 7507856 |
Method of oxidising hydrocarbons to acids |
Mar. 24, 2009 |
| 7504535 |
Optimized liquid-phase oxidation |
Mar. 17, 2009 |
| 7498002 |
Optimized liquid-phase oxidation |
Mar. 3, 2009 |
| 7498003 |
Optimized liquid-phase oxidation |
Mar. 3, 2009 |
| 7495125 |
Optimized liquid-phase oxidation |
Feb. 24, 2009 |
| 7494641 |
Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
Feb. 24, 2009 |
| 7491369 |
Oxidation system with internal secondary reactor |
Feb. 17, 2009 |
| 7485746 |
Staged countercurrent oxidation |
Feb. 3, 2009 |
| 7485747 |
Two stage oxidation process for the production of aromatic dicarboxylic acids |
Feb. 3, 2009 |
| 7482482 |
Optimized liquid-phase oxidation |
Jan. 27, 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 |
| 7410632 |
Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
Aug. 12, 2008 |
| 7399882 |
Optimized liquid-phase oxidation |
Jul. 15, 2008 |
| 7390921 |
Optimized liquid-phase oxidation |
Jun. 24, 2008 |
| 7381836 |
Optimized liquid-phase oxidation |
Jun. 3, 2008 |
| 7381386 |
Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
Jun. 3, 2008 |
| 7378544 |
Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
May. 27, 2008 |
| 7371894 |
Optimized liquid-phase oxidation |
May. 13, 2008 |
| 7371866 |
Preparation of aromatic and heteroaromatic carboxylic acids by catalytic ozonolysis |
May. 13, 2008 |
| 7361784 |
Optimized liquid-phase oxidation |
Apr. 22, 2008 |
| 7358389 |
Oxidation system employing internal structure for enhanced hydrodynamics |
Apr. 15, 2008 |
| 7358392 |
Process for the oxidative purification of terephthalic acid |
Apr. 15, 2008 |
| 7355068 |
Oxidation system with internal secondary reactor |
Apr. 8, 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 |
| 7276625 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
Oct. 2, 2007 |
| 7238833 |
Production of aromatic carboxylic acids |
Jul. 3, 2007 |
| 7196215 |
Process for the production of purified terephthalic acid |
Mar. 27, 2007 |
| 7173149 |
Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols |
Feb. 6, 2007 |
| 7161027 |
Process for the oxidative purification of terephthalic acid |
Jan. 9, 2007 |
| 7132566 |
Process for the purification of a crude carboxylic acid slurry |
Nov. 7, 2006 |
| 7060853 |
Method for increasing oxidation reactor production capacity |
Jun. 13, 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 |
| 6759550 |
Oxidation of alkyl aromatic compounds to aromatic acids in an aqueous medium |
Jul. 6, 2004 |
| 6747171 |
Low temperature purification of naphthalene dicarboxylic acids |
Jun. 8, 2004 |
| 6730808 |
Oxidative reactions using membranes that selectively conduct oxygen |
May. 4, 2004 |
| 6717009 |
Method for making high-purity naphthalenedicarboxylic acid |
Apr. 6, 2004 |
| 6689903 |
Crystallization method for production of purified aromatic dicarboxylic acids |
Feb. 10, 2004 |
| 6670487 |
Method for removing impurities from oxidation products |
Dec. 30, 2003 |
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