| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/15/2004 | WO2003066815A9 Method for producing 2-hydroxyisobutyric acid and methacrylic acid from acetone cyanohydrin |
| 04/15/2004 | WO2002060389A3 Method to treat chronic heart failure and/or elevated cholesterol levels using 3,5-diiodothyropropionic acid and method to prepare same |
| 04/15/2004 | US20040073063 Preparation of acrylic acid |
| 04/15/2004 | US20040073062 Process for producing methacrylic acid |
| 04/15/2004 | US20040073061 Process for producing alkanedicarboxylic acid |
| 04/15/2004 | US20040073059 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 04/15/2004 | US20040073058 Process for the preparation of fibrates |
| 04/15/2004 | US20040073057 Heating with thionyl chloride; racemization |
| 04/15/2004 | US20040072974 Using a (meth)acrylic acid-alkyl (meth)acrylate copolymerwith stream |
| 04/15/2004 | US20040072820 Naphthyl compounds, intermediates, compositions, and methods of use |
| 04/15/2004 | US20040072680 Chiral phosphorus cyclic compounds for transition metal-catalyzed asymmetric reactions |
| 04/15/2004 | US20040068921 Neutral or overbased iron salt of an acidic organic compound, 50-99 mole % of the total iron in the composition being in the ferric form, the balance being the ferrous form. |
| 04/15/2004 | DE10244632A1 Verfahren und Vorrichtung zur sauer katalysierten Hydrolyse von Carbonsäureestern aus azeotropen Gemischen Method and apparatus for acid-catalyzed hydrolysis of carboxylic acid esters of azeotropic mixtures |
| 04/15/2004 | CA2499863A1 Intermediates in the preparation of therapeutic fused bicyclic amino acids |
| 04/14/2004 | EP1407819A2 Hydrothermally synthesized Mo-V-M-Nb-X oxide catalysts for the selective oxidation of hydrocarbons |
| 04/14/2004 | EP1305270B1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
| 04/14/2004 | EP1237838B1 New process |
| 04/14/2004 | CN1489571A Method for producing (methyl) acryeic acid |
| 04/14/2004 | CN1489570A Method for cleaning crude terephthalic acid and catalyst suitable for same and containing carbon fibers |
| 04/14/2004 | CN1489569A Process for producing dicarboxylic acids |
| 04/14/2004 | CN1489568A Improved method for preparing acrylic acid |
| 04/14/2004 | CN1489565A Method for preparing high-purity diisobutene |
| 04/14/2004 | CN1488619A Method for inhibiting polymerization in ther process of preparing acrylic acid |
| 04/14/2004 | CN1488618A Cobalt acetate and cobalt oxalate preparing method |
| 04/14/2004 | CN1145604C Method for preparing acetic acid and/or methyl acetate by methy formate isomerisation |
| 04/14/2004 | CN1145587C Method for recovering fluorinated emulsifiers from aqueous phases |
| 04/14/2004 | CN1145527C Catalysts for catalyti oxidation of propane to acrylic acid, and methods of making |
| 04/13/2004 | US6720450 Using such as 7-cyclohexyl-(4,5-methano)heptanoic acid; controlling blood ingesting insects |
| 04/13/2004 | US6720448 Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use |
| 04/13/2004 | US6720437 By scrubbing from the exhaust gas of the dryer during polymer drying, concentrating and treating with alumina; useful as surfactant in fluoropolymerization |
| 04/13/2004 | CA2365298C Quaternary ammonium and waterproofing/preservative compositions |
| 04/08/2004 | WO2004029186A2 Conjugated linoleic acid compositions |
| 04/08/2004 | WO2004029008A2 Process for preparing fluorocarboxylic acids |
| 04/08/2004 | WO2004028449A2 Azulene dimer-quenched, near-infrared fluorescent probes |
| 04/08/2004 | WO2004014819A3 Multi-step method for the production of carboxylic acids and/or anhydrides with intermediate separation |
| 04/08/2004 | WO2004000763A3 Method for preparing an unsaturated carboxylic acid |
| 04/08/2004 | WO2003105822A8 Long chain unsaturated oxygenated compounds and their use in the therapeutical, cosmetic and nutraceutical field |
| 04/08/2004 | US20040068142 Reacting ethylenic or acetylenic unsaturation conjugated with another unsaturation or an electron donor by reaction of carbon monoxide and water in presence of palladium based catalyst, regenerating the Pd zero valnce by reducing PdO |
| 04/08/2004 | US20040068141 Process for the synthesis of trifluorophenylacetic acids |
| 04/08/2004 | US20040068140 Preparation of mandelic acid derivatives |
| 04/08/2004 | US20040068070 Pipes at risk from polymerization are protected by structural measures from blockage due to polymerization during shutdowns by having a gradient that allows emptying into a container |
| 04/08/2004 | US20040067202 Novel alkanoic acid derivaties |
| 04/08/2004 | DE10344149A1 Production of ring-shaped solid mixed oxide catalysts, useful for the gas phase oxidation of propene, isobutene or tert-butanol to acrolein or methacrolein, comprises thermal treatment to give a specific lateral compressive strength |
| 04/08/2004 | DE10217208A1 Verfahren zur Herstellung von Ethercarbonsäuren mit niedrigem Stockpunkt Process for the preparation of ether carboxylic acids with low pour point |
| 04/07/2004 | EP1404645A2 Method for producing optically active cyanohydrins and their corresponding acids |
| 04/07/2004 | EP1404638A1 Synthesis of 4-phenylbutyric acid |
| 04/07/2004 | EP1404637A2 Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon |
| 04/07/2004 | EP1404633A1 Method for producing methacrolein from isobutane |
| 04/07/2004 | EP1404632A1 Method for producing methacrylic acid from isobutane |
| 04/07/2004 | EP1404568A1 Pivotable cover lid for a vehicle |
| 04/07/2004 | CN1487914A Process for producing alkanedicarboxylic acid |
| 04/07/2004 | CN1487913A Method for preparing carboxylic acids by palladium carbonylation |
| 04/07/2004 | CN1486969A Composite mineral salf of potassium-magnesium hydrogen citrate and its prepn process |
| 04/07/2004 | CN1486968A Air lift externally circulating bubble fower oxidation unit for producing terephthalic acid |
| 04/07/2004 | CN1486784A Zeolite deiodination adsorbent with high silver carrying amount and its prepn process |
| 04/07/2004 | CN1144878C Process for preparing optically pure (S)-3-hydroxy-gamma-butyrolactone |
| 04/07/2004 | CN1144796C Noval intermediates and process for producing optically active octanoic acid derivatives |
| 04/06/2004 | US6717010 Cracking of neo-C9 and neo-C13 carboxylic acids to either pivalic acid or methyl pivalate |
| 04/06/2004 | US6717009 Method for making high-purity naphthalenedicarboxylic acid |
| 04/06/2004 | US6716877 Method to treat chronic heart failure and/or elevated cholesterol levels |
| 04/06/2004 | US6715742 Process and apparatus for cooling a hot reaction gas, for example for manufacturing phthalic anhydride |
| 04/06/2004 | CA2365054C Quaternary ammonium and waterproofing/preservative compositions |
| 04/01/2004 | WO2004026805A1 Process for the production of acetic acid |
| 04/01/2004 | WO2004026429A1 Washing device, method for purifying a washing product, and use of said washing device |
| 04/01/2004 | WO2004026267A2 Tri(alkylcarboxylato) gallium (iii) products and pharmaceutical compositions containing them |
| 04/01/2004 | WO2003084913A3 Method for making carboxylic acids |
| 04/01/2004 | WO2003066562A3 Method for preparing $g(v)-bromoalkylcarboxylic compounds |
| 04/01/2004 | US20040063998 Method for production of acrylic acid |
| 04/01/2004 | US20040063990 Mixed oxide oxidation catalyst; oxidation of hydrocarbons to nitriles |
| 04/01/2004 | US20040063989 Preparation of at least one partial oxidation and/or ammoxidation product of propylene |
| 04/01/2004 | US20040063988 Preparation of at least one partial oxidation and/or ammoxidation product of propylene |
| 04/01/2004 | US20040063963 Dimerization; oxidation coupling of naphthol in presence of complex catalyst of copper chloride-tetramethylethylenediamine |
| 04/01/2004 | US20040063932 Stable free nitroxyl radicals as oxidation catalysts and process for oxidation |
| 04/01/2004 | US20040063589 To provide detergency, friction-modifying and acid-neutralizing properties |
| 04/01/2004 | US20040062870 Composite metal oxide catalyst |
| 04/01/2004 | US20040060809 Method for the production of phthalic anhydride to a specification |
| 03/31/2004 | EP1403240A1 Process for the preparation of acetylenic carboxylic acids by oxidation of acetylenic alcohols |
| 03/31/2004 | EP1402942A1 Process for producing a compound |
| 03/31/2004 | EP1402045A2 Method for producing g(g)-linolenic acids from a ciliate culture by adding suitable precursor molecules to said culture medium |
| 03/31/2004 | EP1401815A1 Process for the preparation of a highly pure pharmaceutical intermediate, 4-(cyclopropylcarbonyl)-alpha,alpha-dimethylphenyl acetic acid |
| 03/31/2004 | EP1401797A2 Method for producing saturated alcohols, ketones, aldehydes and carboxylic acids |
| 03/31/2004 | EP1185498B1 Synthesis of optically active cyclohexylphenylglycolic acid and its esters |
| 03/31/2004 | EP1105214B1 Molybdenum-vanadium based catalyst for low temperature selective oxidation of propylene, methods of making and using the same |
| 03/31/2004 | CN1486295A Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether |
| 03/31/2004 | CN1486294A Method for increasing oxidation reactor production capacity |
| 03/31/2004 | CN1486293A Improved process for producing carboxylic acids |
| 03/31/2004 | CN1485310A Process for preparing high-purity 2-methyl-4-chloro phenoxyacetic acid |
| 03/30/2004 | US6713649 Method for production of formic acid |
| 03/30/2004 | US6713648 Countercurrent flow of high boiling hydrophobic liquid |
| 03/30/2004 | US6713447 Method for purifying marine mammal oil enriched in omega 3 fatty acids and compositions comprising same |
| 03/30/2004 | CA2310834C Method and device for global warming prevention |
| 03/25/2004 | WO2004024667A1 Process for production of 2-(hydroxymethyl)cyclo- propanecarboxylic acids |
| 03/25/2004 | WO2004024666A1 Method for producing acrylic acid from propane, in the presence of molecular oxygen |
| 03/25/2004 | WO2004024665A1 Method for producing acrylic acid from propane |
| 03/25/2004 | WO2004024664A1 Method for producing acrylic acid from propane, in the absence of molecular oxygen |
| 03/25/2004 | WO2004024663A1 Method for the organometallic production of organic intermediate products by halogen-metal exchange reactions |
| 03/25/2004 | WO2003060852A3 Catalytic osmium-assisted oxidative cleavage of olefins |
| 03/25/2004 | US20040059155 High load process for preparing (meth)acrylic acid from a reactive hydrocarbon such as propylene or isobutylene using oxidation catalysts |
| 03/25/2004 | US20040059154 Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols |
| 03/25/2004 | US20040059153 Process for carbonylating alcohols, employing a catalyst based on rhodium or iridium in a non-aqueous ionic liquid, with efficient catalyst recycling |