| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/12/2008 | WO2008023040A3 Acrylic acid based on renewable raw materials, water-absorbing polymer structures, and method for the production thereof by means of dehydration |
| 06/12/2008 | US20080139844 Method Of Preparing Acrylic Acid From Propane In The Absence |
| 06/12/2008 | US20080139841 Oxidizing a substrate using a catalyst of a complex of cobalt and N-hydroxysuccinimide, N-hydroxyphthalimide, or N-hydroxymaleimide; alkanes, alkenes, cycloalkanes, cycloalkenes, aromatics, aryl aldehydes, aryl carboxylic acids, benzyl alcohols |
| 06/12/2008 | CA2670791A1 Crystalline potassium salt of lipoxin a4 analogs |
| 06/11/2008 | EP1930074A1 Novel mesoporous mixed metal oxide catalyst and method for the preparation thereof |
| 06/11/2008 | EP1928831A2 Chemical synthesis |
| 06/11/2008 | EP1928814A2 HIGHLY PHOTOCATALYTIC PHOSPHORUS-DOPED ANATASE-TiO2 COMPOSITION AND RELATED MANUFACTURING METHODS |
| 06/11/2008 | CN101198578A Optimized liquid-phase oxidation |
| 06/11/2008 | CN101195571A Technique for reducing PT acid content in PTA product |
| 06/11/2008 | CN101195567A Production method of dihydromethyl butyric acid |
| 06/11/2008 | CN101195565A 2# evaporator of hexanedioic acid producing system |
| 06/11/2008 | CN101195564A Method for producing trichloro-acetic chloride with by-product in organic acyloxy silicone hydride production process |
| 06/11/2008 | CN101195563A Technique of preparing dichloroacetyl chloride |
| 06/11/2008 | CN100393692C Synthesis method of 3-(2-Cl-a,a,a,-trifluoro-p-toloxy)-benzene carbonic acid |
| 06/11/2008 | CN100393691C Method for preparing mandelic acid by macroporous adsorptive resin |
| 06/11/2008 | CN100393690C Method for purifying perfluoro caprylic acid |
| 06/11/2008 | CN100393689C Low pressure methanol carboxylating process to synthesize acetic acid |
| 06/11/2008 | CN100393688C Method for producing terephthalic acid and terephthalic acid |
| 06/11/2008 | CN100393687C Process for producing a high purity aromatic polycarboxylic acid |
| 06/11/2008 | CN100393686C Production method of 4-chlore O-phthalic acid mono sodium salt |
| 06/11/2008 | CN100393685C Low melting pant tin carboxylate and its manufacturing method |
| 06/11/2008 | CN100393684C Heterogeneously catalyzed gas-phase partial oxidation of acrolein to acrylic acid |
| 06/11/2008 | CN100393683C Gold catalyst for selective oxidation |
| 06/10/2008 | US7385099 Multiple riser reactor with centralized catalyst return |
| 06/10/2008 | US7385096 Reacting an unsaturated compound with hydrogen peroxide using a polymer having a sulfonic acid group (provided that a silicon oxide-titanium oxide based synthetic zeolite is not used along with the polymer; catalyst selectivity; easy catalyst recovery and reuse; corrosion resistance; industrial scale |
| 06/10/2008 | US7385082 Reacting 1,3-diphenylprop-2-en-1-one derivative substituted on the phenyl groups by a hydroxyl or thiol group with a halogenated ester alkyl; acid hydrolysis of the ester |
| 06/10/2008 | US7385068 Stearate composition and method |
| 06/10/2008 | US7384607 free from recesses formed on an inner surface of a reactor body thereof so as to conduct a stable oxidation reaction therein; reaction production gas is prevented from being condensed and polymerized in the sampling tube, thereby ensuring a long-term stable analysis with a high efficiency |
| 06/10/2008 | CA2294669C Process for preparing malonic esters |
| 06/05/2008 | WO2008067112A2 Oxidation of alkylarenes in expanded liquid reaction mixture |
| 06/05/2008 | WO2008066827A1 Process for the synthesis of hydroxy aromatic acids |
| 06/05/2008 | WO2008066825A1 Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 06/05/2008 | WO2008066824A1 Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 06/05/2008 | WO2008066823A1 Process for the synthesis of hydroxy aromatic acids |
| 06/05/2008 | WO2008066822A1 Process for the synthesis of hydroxy aromatic acids |
| 06/05/2008 | WO2008066821A1 Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 06/05/2008 | WO2008066820A1 Process for the synthesis of hydroxy aromatic acids |
| 06/05/2008 | WO2008066819A1 Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 06/05/2008 | WO2008066405A1 Benzene carbonic acid production method |
| 06/05/2008 | WO2008066079A1 Method for producing acrylic acid |
| 06/05/2008 | WO2008048520A3 Methods of making organic compounds by metathesis and hydrocyanation |
| 06/05/2008 | US20080132712 mixing epoxidized vegetable oils with alkyl/aryl substituted phosphite compounds; prevent pungent odor and flavor of rancid fats; oxidation resistance |
| 06/05/2008 | US20080131945 Method For Producing 3-Hydroxypropionaldehyde |
| 06/05/2008 | US20080128263 Process for producing acrylic acid |
| 06/04/2008 | EP1927584A1 Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier |
| 06/04/2008 | EP1926700A1 Process for producing (meth)acrylic acid with treatment of the high-boiling fraction by crystallisation |
| 06/04/2008 | EP1926699A1 Improved process for the production of derivatives of saturated carboxylic acids |
| 06/04/2008 | EP1926531A2 Organic compounds |
| 06/04/2008 | EP1794180B1 Peptide cyclisation |
| 06/04/2008 | EP1737808B1 Removal of permanganate reducing compounds from methanol carbonylation process stream |
| 06/04/2008 | EP1463705B1 Integrated process for producing carbonylation acetic acid,acetic anhydride,or coproduction of each from a methyl acetate by-product stream |
| 06/04/2008 | CN101193849A Niobium 2-ethylhexanoate derivative, process for producing the derivative, organic acid metal salt composition containing the derivative, and process for producing thin film from the composition |
| 06/04/2008 | CN101193848A Novel method for the preparation of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid |
| 06/04/2008 | CN101193847A Process for the preparation of adamantane derivatives |
| 06/04/2008 | CN101193845A Process for the conversion of synthesis gas to oxygenates |
| 06/04/2008 | CN101193844A Process for the conversion of synthesis gas to oxygenate |
| 06/04/2008 | CN101193704A Catalyst-coated support, method for producing the same, reactor comprising the same and use thereof |
| 06/04/2008 | CN101193701A Method for preforming oxidation catalysts |
| 06/04/2008 | CN101190882A Method for producing L-malic acid |
| 06/04/2008 | CN101190881A Special-purpose metal organic salt monomer for liquid stabilizer and preparation method thereof |
| 06/04/2008 | CN101190784A Dilute hydrogen nitrate concentration technique in hexanedioic acid production |
| 06/04/2008 | CN101190396A Chloroethanoic acid tail gas purifying and comprehensive utilization method |
| 06/04/2008 | CN100391929C Method of drying terephthalic acid |
| 06/04/2008 | CN100391928C Method for removing impurities from oxidation products |
| 06/04/2008 | CN100391927C Method for synthesizing ferrous stearate |
| 06/04/2008 | CN100391926C Low polymer diaryl butadiene compounds |
| 06/04/2008 | CN100391918C Method of separating wool acid and lanonol from wool grease |
| 06/03/2008 | US7381849 Cross-coupling 2,3-dimethylphenylboronic acid or 3,4-dimethylphenylboronic acid with 3,4-dimethylbenzoic acid or 2,3-dimethylbenzoic acid in the presence of alkanoyl chloride or anhydride, alkyl chloroformate, or a dicarbonate to form 2,3,3',4'-tetramethylbenzophenone; oxidation; cyclodehydration |
| 06/03/2008 | US7381839 Method for producing acrylic acid |
| 06/03/2008 | US7381838 Preparation of tertiary carboxylic acids |
| 06/03/2008 | US7381837 A feed line continuously supplies carbon monoxide to a pressurized catalytic carbonylation system containing a lower alkanol to produce carboxylic acids; acetic acid synthesis; minimal pressure fluctuations |
| 06/03/2008 | US7381836 Optimized liquid-phase oxidation |
| 06/03/2008 | US7381835 Resolution of racemic mixtures using an amine |
| 06/03/2008 | US7381832 Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and a process for the preparation of polyhalogen-substituted cinnamic acids and cinnamic acid derivatives |
| 06/03/2008 | US7381420 Labeling reactant |
| 06/03/2008 | US7381386 Evaporation; separation; solvent extraction |
| 06/03/2008 | CA2295650C Improved process for separating pure terephthalic acid |
| 05/29/2008 | WO2008063206A1 Method for making polyetherimides |
| 05/29/2008 | WO2008062471A2 A mild method for the production of di-n-propylacetic acid (valproic acid) |
| 05/29/2008 | WO2008062460A2 Crystalline forms of pregabalin |
| 05/29/2008 | WO2008062058A1 Method for converting nitrile compounds into corresponding carboxylic acids and esters |
| 05/29/2008 | WO2008061822A1 Process for preparing carboxamides by hydrolysis of carboxylic acid nitriles in the presence of a catalyst comprising manganese dioxide |
| 05/29/2008 | WO2008061819A1 Process for preparing (meth)acrylic acid |
| 05/29/2008 | US20080124660 HIGHLY PURIFIED LIQUID PERFLUORO-n-ALKANES AND METHOD FOR PREPARING |
| 05/29/2008 | CA2666397A1 Process for preparing carboxamides by hydrolysing carbonitriles in the presence of a catalyst comprising manganese dioxide |
| 05/28/2008 | EP1925673A1 Process for the preparation of zinc ricinoleate |
| 05/28/2008 | EP1925606A2 Method for vapor phase catalytic oxidation |
| 05/28/2008 | EP1924545A2 A process to enrich a carboxylic acid composition |
| 05/28/2008 | EP1924540A2 Method for separating compound-forming chiral systems |
| 05/28/2008 | EP1819659B1 Method for the production of phthalic dichloride |
| 05/28/2008 | EP1771405A4 Process for the selective conversion of alkanes to unsaturated carboxylic acids |
| 05/28/2008 | EP1756031A4 Liquid phase oxidation of p-xylene to terephthalic acid in the presence of a catalyst system containing nickel, manganese, and bromine atoms |
| 05/28/2008 | EP1436244B1 Method for the production of acrylic acid by heterogeneously-catalysed gas-phase oxidation |
| 05/28/2008 | CN101189207A A process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone |
| 05/28/2008 | CN101189206A Production of sodium diformate |
| 05/28/2008 | CN101189204A Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products |
| 05/28/2008 | CN101189203A Ortho-nitrosophenols as polymerization inhibitors |
| 05/28/2008 | CN101189202A Method for selectively oxidizing ethane to ethylene |
| 05/28/2008 | CN101186603A Process for preparing tetramethyl glycolide |
| 05/28/2008 | CN101186573A Process for producing terephthalic acid |