| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/07/2005 | CN1217907C Method for preparing p-hydroxymandelic compounds optically substituted |
| 09/07/2005 | CN1217906C Method for increasing oxidation reactor production capacity |
| 09/07/2005 | CN1217736C Cocatalytic polymetallic oxide catalyst |
| 09/06/2005 | US6939991 Preparation of acrylic acid |
| 09/06/2005 | US6939875 Carbocyclic oxy sulfides such as [4-(Biphenyl-4-ylmethylsulfanyl)-5-methoxy-2-methyl-phenoxy]-acetic acid, used to control peroxisome proliferator activated receptors (PPAR), for prophylaxis of metabolic disorders |
| 09/06/2005 | US6939444 Sulfur-bearing residue treatment system |
| 09/01/2005 | WO2005080340A1 Alpha-(trifluoromethyl-substituted aryloxy, arylamino, arylthio or arylmethyl)-trifluoromethyl-substituted phenylacetic acids and derivatives as antidiabetic agents |
| 09/01/2005 | WO2005080310A1 Method for producing (meth)acrylic acid |
| 09/01/2005 | WO2005080309A1 Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid |
| 09/01/2005 | WO2005080308A1 Cleaving oligomeric (meth)acrylic acid in the liquid phase and under pressure |
| 09/01/2005 | WO2005080307A1 PROCESS FOR PRODUCING α,β-UNSATURATED CARBOXYLIC ACID |
| 09/01/2005 | WO2005079983A1 Method for recovering molybdenum and method for preparing catalyst |
| 09/01/2005 | WO2005079981A1 A catalyst system |
| 09/01/2005 | WO2005079980A1 Catalyst for partial oxidation and preparation method thereof |
| 09/01/2005 | WO2005079320A2 Chlorendic anhydride/maleic anhydride compositions and method for preparing same |
| 09/01/2005 | WO2005066106A3 Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
| 09/01/2005 | US20050192464 Method for producing (meth) acrylic acid |
| 09/01/2005 | US20050192463 Method for storing (meth)acrylic acid or (meth)acrylic esters |
| 09/01/2005 | US20050192462 Transporting by-product waste polyacrylic acid, a bottom liquid discharged from distillation, to storage tank through pipeline; heating, prevent retention or clogging in pipeline; solvent-free, concentrated polymerization inhibitors |
| 09/01/2005 | US20050192461 Polyoxometallate catalysts and catalytic processes |
| 09/01/2005 | US20050192459 catalyst system comprises at least one suitable heavy metal; producing aromatic carboxylic acid; reduced corrosion; reduced formation of alkyl bromides |
| 09/01/2005 | US20050192456 Method for producing a fluorinated ester compound |
| 09/01/2005 | US20050192452 Process for producing wax ester from dihydroxy fatty acid |
| 09/01/2005 | US20050192449 chemical intermediates; for oral administration with improved absorption; antiestrogens; antitumor agents |
| 09/01/2005 | US20050192351 reacting 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl)-triphenylphosphonium chloride with 5-hydroxy-4-methyl-2(5H)-furanone, then isomerizing in ethanol solvent/potassium hydroxide base in presence of palladium nitrate catalyst |
| 09/01/2005 | DE102004050703A1 New calcium lactate malate useful as a food additive or for producing pharmaceutical compositions, especially for treating osteoporosis |
| 09/01/2005 | CA2556348A1 Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid |
| 09/01/2005 | CA2555814A1 Alpha-(trifluoromethyl-substituted aryloxy, arylamino, arylthio or arylmethyl)-trifluoromethyl-substituted phenylacetic acids and derivatives as antidiabetic agents |
| 09/01/2005 | CA2555374A1 A catalyst system |
| 08/31/2005 | EP1568703A1 Method of fluorination |
| 08/31/2005 | EP1567471A1 Method for the rectifying separation of liquids containing (meth)acrylic monomers in a rectification column |
| 08/31/2005 | EP1567470A1 Hydrogenation of benzene polycarboxylic acids or derivatives thereof |
| 08/31/2005 | EP1379485A4 Selective ring-opening cross-metathesis of cycloolefins |
| 08/31/2005 | CN1662545A Dicopper(I)oxalate complexes for use as precursor substancesin metallic copper deposition |
| 08/31/2005 | CN1662458A Method of purifying fischer-tropsch derived water |
| 08/31/2005 | CN1660762A Circulation flow reactor and method for synthesizing trimesitinic acid through the reactor |
| 08/31/2005 | CN1660761A Method for deprivig sulfur dioxide in solution of citrate |
| 08/31/2005 | CN1660760A Method for producing cinnamylidene acetyl chloride |
| 08/31/2005 | CN1660759A Conjugation linoleic acid and method for producing conjugation linoleic acid from colza oil of huangxucai |
| 08/31/2005 | CN1660758A Process for the selective (AMM) oxidation of lower molecular weight alkanes and alkenes |
| 08/31/2005 | CN1216848C Aqueous solution of polassium sorbate with durable ready color and its prepn. |
| 08/31/2005 | CN1216847C Method for preparing acrylic acid from propane under the condition of free-dioxygen |
| 08/31/2005 | CN1216846C Improved method for preparing acrylic acid |
| 08/31/2005 | CN1216845C Method for preparing acetic acid and / or methyl acetate in the presence of iridium and platinum |
| 08/30/2005 | US6936734 Such as methacrylic anhydride by reacting an unsaturated acid such as methacrylic acid and a lower aliphatic anhydride such as acetic anhydride in the presence of a catalyst and a stabilizer |
| 08/30/2005 | US6936722 Polyhalogenated ethers |
| 08/30/2005 | US6936710 Preferentially oxidizing primary hydroxyl groups to carbaldehyde; obtain sample, incubate with 4,4-dimethyloxazolidine and peroxosulfate, monitor reaction product |
| 08/25/2005 | WO2005077880A1 Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith |
| 08/25/2005 | WO2005077879A1 Steam recompression in aromatic carboxylic acid processes |
| 08/25/2005 | WO2005077878A1 Method for producing alpha-hydroxycarboxylic acids and the esters thereof |
| 08/25/2005 | US20050187406 Catalyst for partial oxidation and preparation method thereof |
| 08/25/2005 | US20050187405 Process for producing purified (meth)acrylic acid |
| 08/25/2005 | US20050187404 incubating CO2 and a strong Lewis acid at incubation conditions to produce a resulting mixture; reacting composition consisting essentially of CO2, strong Lewis acid, and Lewis acid: CO2 complex with an aromatic hydrocarbon at effective reaction pressure and effective reaction temperature |
| 08/25/2005 | US20050187403 Process for producing 1,3-naphthalenedicarboxylic acid |
| 08/25/2005 | US20050187397 Dispersing zinc oxide in any aliphatic hydrocarbon solvent or mixture of aliphatic hydrocarbon and an aromatic hydrocarbon, or mixture of aliphatic hydrocarbon and an aromatic hydrocarbon and alcohol; causing acrylic acid to react with zinc oxide |
| 08/25/2005 | DE102004006826A1 Production of methacrylic acid from acetone cyanohydrin involves production of an alpha-hydroxyisobutyric acid in presence of an inert polar solvent for easy stirring, followed by dehydration |
| 08/25/2005 | DE102004005318A1 Verfahren zur Herstellung von 2,5-Dimethylphenylessigsäure A process for the preparation of 2,5-dimethylphenylacetic acid |
| 08/25/2005 | CA2554281A1 Steam recompression in aromatic carboxylic acid processes |
| 08/24/2005 | EP1566374A1 Process for preparing fluorohalogenethers |
| 08/24/2005 | EP1566373A1 Amorphous water-soluble calcium citrate salts and method of making and using same. |
| 08/24/2005 | EP1566212A1 Apparatus for the cooling of hot reaction gases, e.g. for the preparation of phthalic anhydride |
| 08/24/2005 | EP1565421A1 A method for preparing indan-1,3-dicarboxylic acid |
| 08/24/2005 | EP1565241A2 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 08/24/2005 | EP1420761A4 Solid phase syntheis of salts of organic acid |
| 08/24/2005 | EP1226156B1 Process for producing phytosterols by saponification in an alcohol/water solvent |
| 08/24/2005 | CN1659129A Method for the production of 2, 4, 5-trimethylphenyl acetic acid |
| 08/24/2005 | CN1659128A Process for the production of acetic acid |
| 08/24/2005 | CN1659127A Process for the production of acetic acid |
| 08/24/2005 | CN1659126A Process for producing aromatic compounds by friedel-crafts reaction |
| 08/24/2005 | CN1216040C 3-Cyan-2,4,5-trifluoro benzoyl fluoride and intermediate produced therefor |
| 08/24/2005 | CN1216028C Preparation method of 3,5-di (trifluoromethyl) benzoyl chloride and new 3,5-di trihalomethyl benzoylate A and 3,5-dimethyl benzoylate A |
| 08/24/2005 | CN1216027C Process for preparing ultrahigh basicity calcium naphthenate |
| 08/24/2005 | CN1216026C Refining method for decanedioic acid |
| 08/24/2005 | CN1215901C Method and device for fluidized bed reaction |
| 08/23/2005 | US6933407 By partial catalytic dehydrogenation of isobutane in gas phase and charging an oxidation zone with the isobutene product gas mixture after the components other than isobutane and isobutene have been removed from the product gas mixture |
| 08/23/2005 | US6933406 Heating a 2-halo-6-nitrobenzyl alcohol, ester, or ether in the presence of aqueous nitric acid over a given temperature range; a step in the preparation of 2-halo-6-nitrobenzoic acids from 2-halo-6-nitrotoluenes |
| 08/23/2005 | US6933404 Methods of making intermediates from polyhydroxyalkanoates |
| 08/23/2005 | CA2469592C Hiv integrase inhibitors |
| 08/18/2005 | WO2005075651A1 Process for producing optically active alcohol and carboxylic acid |
| 08/18/2005 | WO2005075408A1 L-(-)-moprolol l-(+)-tartrate |
| 08/18/2005 | WO2005075404A1 Azeotropic distillation method |
| 08/18/2005 | WO2005075403A1 Method for producing aromatic carboxylic acid |
| 08/18/2005 | WO2005075402A1 Photo-detector array with charge pump and charge counter |
| 08/18/2005 | WO2005075401A1 Method for producing 2,5-dimethylphenyl acetic acid |
| 08/18/2005 | WO2005075072A1 CATALYST FOR PRODUCING α, β-UNSATURATED CARBOXYLIC ACID AND METHOD FOR PREPARATION THEREOF, AND METHOD FOR PRODUCING α, β-UNSATURATED CARBOXYLIC ACID |
| 08/18/2005 | WO2005054159A3 Process for the preparation of xylene by the catalytic dehydrocyclization of diisobutylene |
| 08/18/2005 | WO2005046861A3 Chemical synthesis with a strong electrical field |
| 08/18/2005 | US20050182284 Contacting feedstock containing olefin having 4 or 5 carbon atoms under oligomerization conditions with selectivated crystalline molecular sieve oligomerization catalyst and recovering oligomeric product, of which a dimeric or trimeric component has average degree of brancing of at most 2 |
| 08/18/2005 | US20050182274 Method for the production of 2,4,5-trimethylphenyl acetic acid |
| 08/18/2005 | US20050182235 Methods of making intermediates from polyhydroxyalkanoates |
| 08/18/2005 | US20050182230 Chlorendic anhydride/maleic anhydride compositions and method for preparing same |
| 08/18/2005 | US20050181936 Atoms of cobalt and manganese encapsulated in micro and mesoporous porous solids for oxidation of aromatic alkyl groups |
| 08/18/2005 | US20050181096 Powdered beverage mixes and liquid compositions fortified with amorphous water-soluble calcium citrate salts as a calcium source |
| 08/18/2005 | US20050178650 Method for producing organic alkyne compounds |
| 08/18/2005 | DE10360525B3 Verfahren zur Herstellung von substituierten 2-(Phenoxymethyl)-benzoesäuren Benzoic acids A process for the preparation of substituted 2- (phenoxymethyl) |
| 08/18/2005 | DE102004002962A1 Installation for preparing terephthalic acid, comprises oxidation reactor and horizontal decanter-centrifuge, for dewatering and purifying crude product |
| 08/18/2005 | CA2555317A1 Process for producing optically active alcohol and carboxylic acid |
| 08/17/2005 | EP1564217A2 Process for the production of epothilones |
| 08/17/2005 | EP1564209A1 Process for the preparation of 13-cis-retinoic acid |
| 08/17/2005 | EP1563829A1 Zinc gluconate composition containing acicular particles |