| |
 |
|
Class Information
Number: 562/415
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 > Gas phase
Description: Processes wherein the oxidation is conducted in a gas or vapor phase.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582793 |
Optimized liquid-phase oxidation |
Sep. 1, 2009 |
| 7557243 |
Enriched terephthalic acid composition |
Jul. 7, 2009 |
| 7501537 |
Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange |
Mar. 10, 2009 |
| 7498003 |
Optimized liquid-phase oxidation |
Mar. 3, 2009 |
| 7498002 |
Optimized liquid-phase oxidation |
Mar. 3, 2009 |
| 7491369 |
Oxidation system with internal secondary reactor |
Feb. 17, 2009 |
| 7482482 |
Optimized liquid-phase oxidation |
Jan. 27, 2009 |
| 7399882 |
Optimized liquid-phase oxidation |
Jul. 15, 2008 |
| 7390921 |
Optimized liquid-phase oxidation |
Jun. 24, 2008 |
| 7381836 |
Optimized liquid-phase oxidation |
Jun. 3, 2008 |
| 7371866 |
Preparation of aromatic and heteroaromatic carboxylic acids by catalytic ozonolysis |
May. 13, 2008 |
| 7371894 |
Optimized liquid-phase oxidation |
May. 13, 2008 |
| 7361784 |
Optimized liquid-phase oxidation |
Apr. 22, 2008 |
| 7358389 |
Oxidation system employing internal structure for enhanced hydrodynamics |
Apr. 15, 2008 |
| 7355068 |
Oxidation system with internal secondary reactor |
Apr. 8, 2008 |
| 7338918 |
Catalyst having a silver-vanadium oxide phase and a promoter phase |
Mar. 4, 2008 |
| 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 |
| 5811588 |
Process for the preparation of 3-phenylpropanal |
Sep. 22, 1998 |
| 5550284 |
Production method for alkoxynaphthalenecarboxylic acid |
Aug. 27, 1996 |
| 5504218 |
Method for production pyromellitic anhydride |
Apr. 2, 1996 |
| 5442103 |
Process for producing 2,6-naphthalenedicarboxylic acid |
Aug. 15, 1995 |
| 5387699 |
Process for preparing pyromellitic dianhydride |
Feb. 7, 1995 |
| 5274126 |
Partially fluorinated tetracarboxylic acid and the dianhydride thereof, a process for their preparation and their use |
Dec. 28, 1993 |
| 5136104 |
Method for production of substituted benzaldehyde |
Aug. 4, 1992 |
| 4939296 |
Process for the production of catalytically-active metallic glasses |
Jul. 3, 1990 |
| 4912233 |
Para- or meta-terphenyltetracarboxylic acid, dianhydride thereof and process for preparing the same |
Mar. 27, 1990 |
| 4885116 |
Substituted 1,1,1-triaryl-2,2,2-trifluoroethanes and processes for their synthesis |
Dec. 5, 1989 |
| 4863888 |
Catalyst containing cobalt boron and oxygen and optionally aluminum of preparation and process |
Sep. 5, 1989 |
| 4735789 |
Process for the production of catalytically-active metallic glasses |
Apr. 5, 1988 |
| 4675440 |
Process for preparing purified, virtually odorless solid benzoic acid |
Jun. 23, 1987 |
| 4665200 |
Method for preparing pyromellitic acid and/or pyromellitic anhydride |
May. 12, 1987 |
| 4547587 |
Process for the preparation of pharmaceutical benzoic acid |
Oct. 15, 1985 |
| 4539425 |
Process for the preparation of benzoic acid |
Sep. 3, 1985 |
| 4487962 |
Preparation of methacrylic acid by gas phase oxidation of methacrolein |
Dec. 11, 1984 |
| 4435598 |
Process for the catalytic oxidation of propylene to acrylic acid |
Mar. 6, 1984 |
| 4404397 |
High conversion of C.sub.3 and C.sub.4 olefins to corresponding unsaturated aldehydes and acids with stable molybdenum catalysts |
Sep. 13, 1983 |
| 4342876 |
Method for oxidation of p-xylene and method for preparing dimethylterephthalate |
Aug. 3, 1982 |
| 4137259 |
Catalytic gas phase oxidation of toluene to benzaldehyde and/or benzoic acid |
Jan. 30, 1979 |
| 3993690 |
Method of obtaining aromatic tri-or-tetracarboxylic acids |
Nov. 23, 1976 |
| 3946067 |
Process for the preparation of aromatic aldehydes |
Mar. 23, 1976 |
|
|
|
