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Class Information
Number: 562/409
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
Description: Processes wherein the carboxyl group is formed by oxidation of an alkyl side chain of an aromatic nucleus.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7608733 |
Optimized liquid-phase oxidation |
Oct. 27, 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 |
| 7507857 |
Optimized liquid-phase oxidation |
Mar. 24, 2009 |
| 7494641 |
Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
Feb. 24, 2009 |
| 7488843 |
Oxidation process for aromatic compound |
Feb. 10, 2009 |
| 7468456 |
Azeotropic distillation process for separating acetic acid, methylacetate and water in the production of an aromatic carboxylic acid |
Dec. 23, 2008 |
| 7452522 |
Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
Nov. 18, 2008 |
| 7393973 |
Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
Jul. 1, 2008 |
| 7355067 |
Process for the production of triiodotrimesic acid |
Apr. 8, 2008 |
| 7250529 |
Synthesis process for 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid |
Jul. 31, 2007 |
| 7238833 |
Production of aromatic carboxylic acids |
Jul. 3, 2007 |
| 7183421 |
Processes for producing oxide with higher oxidation than alcohol |
Feb. 27, 2007 |
| 7166740 |
Process for the production of triiodotrimesic acid |
Jan. 23, 2007 |
| 7161026 |
Method of preparation of methyl-benzyl-ketone |
Jan. 9, 2007 |
| 7083516 |
Process for the production of triiodotrimesic acid |
Aug. 1, 2006 |
| 7049465 |
Process for energy recovery in processes for the preparation of aromatic carboxylic acids |
May. 23, 2006 |
| 6933406 |
Method for producing 2-halo-6-nitrobenzoic acids |
Aug. 23, 2005 |
| 6797830 |
Process for producing oxide with higher oxidation than alcohol |
Sep. 28, 2004 |
| 6765113 |
Production of aromatic carboxylic acids |
Jul. 20, 2004 |
| 6743952 |
Selective liquid phase air oxidation of toluene catalysed by composite catalytic system |
Jun. 1, 2004 |
| 6696604 |
Addition of mineral acids or salts thereof to a TMA production process |
Feb. 24, 2004 |
| 6670502 |
Process for the production of aromatic acids |
Dec. 30, 2003 |
| 6660883 |
Process for the preparation of 2-aryl propionic acids |
Dec. 9, 2003 |
| 6642419 |
Oxidation method |
Nov. 4, 2003 |
| 6562996 |
Alkyl aromatic aldehydes |
May. 13, 2003 |
| 6548698 |
Oxidative carbonylation of toluene catalyzed by rhodium and iridium |
Apr. 15, 2003 |
| 6518455 |
Process for preparing substituted aromatic and heteroaromatic aldehydes and carboxylic acids |
Feb. 11, 2003 |
| 6504051 |
Process for production of aromatic carboxylic acids with improved water removal technique |
Jan. 7, 2003 |
| 6458994 |
Process for producing aromatic polycarboxylic acid |
Oct. 1, 2002 |
| 6440327 |
Polymers and use thereof as scale inhibitors |
Aug. 27, 2002 |
| 6433196 |
Production method of citalopram, intermediate therefor and production method of the intermediate |
Aug. 13, 2002 |
| 6384279 |
Synthesis of a tetraamido macrocycle ligand from a novel diamidodiol |
May. 7, 2002 |
| 6344568 |
Catalyst for gas phase partial oxidation |
Feb. 5, 2002 |
| 6255525 |
Process for preparing purified carboxylic acids |
Jul. 3, 2001 |
| 6160159 |
Preparation of dimethyl terephthalate via the air oxidation of p-tolualdehyde |
Dec. 12, 2000 |
| 6150412 |
Catechol derivatives |
Nov. 21, 2000 |
| 6143925 |
Process for producing aromatic carboxylic acid |
Nov. 7, 2000 |
| 6140534 |
Method for purifying isophthalic acid prepared from metaxylene |
Oct. 31, 2000 |
| 6133470 |
Integration of p-xylene production and subsequent conversion process |
Oct. 17, 2000 |
| 6127573 |
Oxidaton of primary alcohols to carboxylic acids with a TEMPO catalyst using NaClO.sub.2 and NaClO |
Oct. 3, 2000 |
| 6127572 |
Process for preparing 2-carboxy-5-nitrobenzenesulfonic acid and salts thereof by oxidation |
Oct. 3, 2000 |
| 6013835 |
Method and apparatus for preparing purified terephthalic acid |
Jan. 11, 2000 |
| 5981420 |
Oxidation catalytic system and oxidation process |
Nov. 9, 1999 |
| 5786507 |
Process for the preparation of 3-phenylpropionic acid |
Jul. 28, 1998 |
| 5783729 |
Chemical process for the production of sulfonyl benzoic acids |
Jul. 21, 1998 |
| 5767311 |
Method and apparatus for preparing purified terephtalic acid |
Jun. 16, 1998 |
| 5756858 |
Process for the preparation of substituted phenylacetic acid derivatives and novel intermediates |
May. 26, 1998 |
| 5756814 |
Vinyl compound, its synthetic intermediates and processes for producing the same |
May. 26, 1998 |
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