| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/03/2002 | CN1356304A Process for preparing antimer of 2-fluo-alpha-methyl-[1,1'-diphenyl]-4-acetic acid |
| 07/03/2002 | CN1087029C Methyl aliphate and prepn. of soap thereof |
| 07/03/2002 | CN1087012C Clean catalytic oxidization process for synthesizing adipic acid |
| 07/02/2002 | US6414190 Purification of acrylic acid by crystallization by means of vacuum evaporation |
| 07/02/2002 | US6414186 Process for producing chloromethylphenylacetic acid |
| 07/02/2002 | US6414183 Oxidizing propylene, acrolein, isobutylene, t-butyl alcohol and/or methacrolein with gas containing molecular oxygen, treating reaction gas to produce (meth)acrylic acid solution, purifying, wherein waste oil produced is treated with solvent |
| 07/02/2002 | US6414177 Reacting the corresponding unsaturated cyclopentenone compound with hydrogen cyanide |
| 07/02/2002 | US6414171 Method for commercial preparation of conjugated linoleic acid from by-products of vegetable oil refining |
| 07/02/2002 | US6413903 High surface area sol-gel route prepared oxidation catalysts |
| 07/02/2002 | US6413504 Alpha-arylated cinnamic esters and 1,4-bis(alpha-carboxyl-beta-styryl)benzene esters an UV-blocking agents |
| 07/02/2002 | US6413379 Reduces the tendency of (meth)acrylic acid to polymerize by separating off low boiling solvents in the presence of the high boilers |
| 07/02/2002 | CA2047382C Stabilized monomer compositions |
| 06/27/2002 | WO2002050012A1 Use of osmotic membranes in therephthalic acid production |
| 06/27/2002 | WO2002050011A1 Method for rapidly cooling a hot gas mixture containing (meth)acrylic acid |
| 06/27/2002 | WO2002049757A2 Method for producing a multi-metal oxide active material containing mo, bi, fe and ni and/or co |
| 06/27/2002 | WO2002028809A3 Dynamic resolution of isomers and resolved isomers |
| 06/27/2002 | WO2002012158A3 Method for catalytically producing organic substances by partial oxidation |
| 06/27/2002 | WO2001092195B1 Methods and apparatus for removing catalyst from oxidation reactor effluent |
| 06/27/2002 | WO2001066675A3 Thickener component and lubricating grease containing an aluminium complex |
| 06/27/2002 | US20020082445 Contacting in oxidation reaction zone, alkane, molecular oxygen-containing gas, and corresponding alkene water, in the presence catalyst active for the oxidation of the alkane to produce alkene and carboxylic acid and water |
| 06/27/2002 | US20020082444 Reacting alcohol with phosgene, diphosgene and/or triphosgene under pressure to form chloroformate |
| 06/27/2002 | US20020082442 Process for the preparation of cinnamic esters |
| 06/27/2002 | US20020082262 Regulate the cellular transport proteins P- glycoprotein and MRP1 , which are the proteins believed to be responsible for multidrug resistance in cancer patients |
| 06/27/2002 | US20020082159 Controlled combustion of organic coatings responsible for the deactivation in an inert, oxygen gas atmosphere |
| 06/26/2002 | EP1216996A2 Method to synthesise biphenylyl derivatives |
| 06/26/2002 | EP1216983A1 Process for the preparation of aliphatic, cycloaliphatic or araliphatic chloroformates |
| 06/26/2002 | EP1216979A1 Process for the preparation of trimethylol alcanes and formic acid |
| 06/26/2002 | EP1216094A1 Group 4 metal promoted iridium carbonylation catalyst |
| 06/26/2002 | EP1216083A2 Recovery process for volatile compounds from solids in aqueous solution |
| 06/26/2002 | CN1086690C Preparing acrolein protenoic acid or its mixture from propane |
| 06/26/2002 | CN1086689C Process for photooxidation synthesis of trichloro-acetyl chloride |
| 06/25/2002 | US6410786 Process for producing methacrylic acid |
| 06/25/2002 | US6410785 Solid phase oxidation catlyst |
| 06/25/2002 | US6410784 Adding 2,3-pyridinedicarboxylic acid; precipitation; separation |
| 06/25/2002 | US6410783 Salt formation with dicamba; dehydration |
| 06/25/2002 | US6410763 Liquid chromatography of high purity conjugated fatty acid |
| 06/25/2002 | US6409886 (meth)acrylic acid, (meth)acrylic esters in distillation; avoiding stagnation of liquid on surfaces of still by spraying the same fluid, molecular oxygen is present |
| 06/25/2002 | US6409649 Method for commercial preparation of conjugated linoleic acid using recycled alkali transesterification catalyst |
| 06/25/2002 | CA2248446C Fluorination with aminosulfur trifluorides |
| 06/20/2002 | WO2002048197A1 Process for oxidising primary alcohols |
| 06/20/2002 | WO2002048130A1 Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor |
| 06/20/2002 | WO2002048094A1 tROCESS FOR MAKING 5-CYANOVALERIC ACID, ADIPIC ACID OR DIMETHYL ADIDPATE |
| 06/20/2002 | WO2002048086A1 Method for producing cinnamic acid esters |
| 06/20/2002 | WO2002048084A1 Process for production of dicarboxylic acids |
| 06/20/2002 | WO2002048078A1 2-butyl-3-(4-[3(dibutylamino)propoxy]benzoyl)-5-nitro-benzofuran hydrochloride and preparation thereof |
| 06/20/2002 | WO2002048072A2 Organic reactions with co generating materials |
| 06/20/2002 | WO2002047814A1 The stable catalyst for hydropurification |
| 06/20/2002 | WO2001003688A3 Treatment of cyclooxygenase-2 mediated disorders using conjugated fatty acid compounds |
| 06/20/2002 | US20020077502 Reacting formaldehyde and aldehyde in presence of a nitrogen base to form mixture containing trimethylol compound and formate salt of nitrogen base; removing trimethylol compound; distillation of formate salts into base and formic acid |
| 06/20/2002 | US20020077501 Reactive distillation process for hydrolysis of esters |
| 06/20/2002 | US20020077500 Recovery of dicarboxylic aromatic acids from polyester-resin contained in articles for recycling |
| 06/20/2002 | US20020077481 For use in the synthesis of peptides and/or for the manufacture of pharmaceutically active substances or corresponding intermediates |
| 06/20/2002 | US20020074107 Apparatus & process for heat exchange with fluid beds |
| 06/20/2002 | DE10063162A1 Verfahren zur Herstellung einer Mo, Bi, Fe sowie Ni und/oder Co enthaltenden Multimetalloxidativmasse A process for producing a Mo, Bi, Fe and Ni and / or Co-containing Multimetalloxidativmasse |
| 06/20/2002 | DE10063161A1 Verfahren zum Abschrecken eines heißen (Meth)acrylsäure enthaltenden Gasgemisches A method for quenching a hot (meth) acrylic acid-containing gas mixture |
| 06/20/2002 | DE10050246C1 Calciumdoppelsalze, Verfahren zu ihrer Herstellung und ihre Verwendung zur Konservierung Calcium double salts, processes for their preparation and their use for preserving |
| 06/19/2002 | EP1215192A2 Preparation process of dicarboxylic acid compounds |
| 06/19/2002 | EP1215191A2 Recovery of dicarboxylic aromatic acids from polyester-resin contained in articles for recycling |
| 06/19/2002 | EP1214328A1 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 06/19/2002 | EP1214286A1 Purification and recovery of dicarboxylic acids using melt crystallization |
| 06/19/2002 | EP1214285A1 Process for producing pure terephthalic acid with improved recovery of precursors, solvent and methyl acetate |
| 06/19/2002 | EP1214284A1 Process for the production and purification of aromatic acids |
| 06/19/2002 | EP1214278A2 Regeneration of onium fluoride-hf adducts |
| 06/19/2002 | EP1214144A1 Group 5 metal promoted iridium carbonylation catalyst |
| 06/19/2002 | EP1105365B1 Method for producing acrolein and/or acrylic acid from propane |
| 06/19/2002 | EP0973716B1 Improved method for producing crystalline carboxylic acids and apparatus therefor |
| 06/19/2002 | EP0938463B1 Processes for the oxidation of alkanes |
| 06/19/2002 | CN1354738A Method of purifying and producing acrylic acid or methacrylic acid |
| 06/19/2002 | CN1354165A Control of waste water produced in furfural industry and preparation process of butyl acetate |
| 06/19/2002 | CN1354164A Method for producing oxalic acid by alkali fusion, oxidation and steam explosion of straw in alkali fusion circulation system |
| 06/19/2002 | CN1354139A Method and device for treating waste water containing acetic acid |
| 06/19/2002 | CN1086380C Process for preparing fatty acyl lactate |
| 06/19/2002 | CN1086379C Process for synthesizing royal jelly acid |
| 06/19/2002 | CN1086378C Process for preparing calcium citrate malate by using citric acid, malic acid and calcium carbonate |
| 06/19/2002 | CN1086377C Process for preparing high concentration formic acid |
| 06/19/2002 | CN1086376C Purifying technology for aromatic carboxylic acid |
| 06/18/2002 | US6407287 Method for production of acrylic acid |
| 06/18/2002 | US6407286 Process for recovering hydrogen in producing pure terephthalic acid |
| 06/18/2002 | US6407282 Process for producing monoester from dicarboxylic acid fluoride |
| 06/18/2002 | US6407280 Promoted multi-metal oxide catalyst |
| 06/18/2002 | US6407270 Methods for manufacturing betulinic acid |
| 06/18/2002 | US6407031 Vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile. |
| 06/18/2002 | US6407030 Method for producing catalysts for synthesizing maleic anhydride by means of gas phase oxidation |
| 06/15/2002 | CA2363972A1 Recovery of dicarboxylic aromatic acids from polyester resin contained in articles for recycling |
| 06/13/2002 | WO2002046240A1 Multicomponent compositions containing chitosan and methods of preparing same |
| 06/13/2002 | WO2002046143A1 Method for the carbonylation of pentenoic acid and derivatives thereof |
| 06/13/2002 | WO2001083420A3 Method of making substituted dihalo aromatic acid chlorides |
| 06/13/2002 | WO2001081290A3 Methods for preparing cla isomers |
| 06/13/2002 | US20020072636 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof |
| 06/13/2002 | US20020072629 Zn and/or Ga promoted multi-metal oxide catalyst |
| 06/13/2002 | US20020072628 Process for preparing metal oxide catalyst for acrylic acid production |
| 06/13/2002 | US20020072627 Oxidation of 2,4 -hexadienal with in aqueous solution of hydrogen peroxide as an oxidising agent and silver oxide as catalyst in a reactor for producing alkali metal salt of sorbic acid or free sorbic acid |
| 06/13/2002 | US20020072600 Process for oxidizing primary alcohols |
| 06/13/2002 | US20020070167 Birch bark processing and the isolation of natural products from birch bark |
| 06/13/2002 | DE10115277A1 Continuous recovery of (meth)acrylic acid from oxidation reaction gas comprises absorbing in high boiling solvent and rectifying obtained solution at high temperature to reduce product loss as di(meth)acrylic acid |
| 06/13/2002 | DE10061558A1 Verfahren zur Hydrierung von Maleinsäureanhydrid und verwandten Verbindungen in einem Wirbelschichtreaktor A process for the hydrogenation of maleic anhydride and related compounds in a fluidized bed reactor |
| 06/13/2002 | DE10060313A1 Verfahren zur Carbonylierung von Pentensäure und deren Derivate A process for the carbonylation of pentenoic acid and derivatives thereof |
| 06/13/2002 | CA2436874A1 Method for the carbonylation of pentenoic acid and derivatives thereof |
| 06/13/2002 | CA2426988A1 Multicomponent compositions containing chitosan and methods of preparing same |
| 06/12/2002 | EP1212310A1 Production of maleic anhydride |