| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 03/11/2009 | CN101381325A Method for simultaneously preparing phenylacetamide and phenylacetic acid by benzyl cyanide hydrolysis in ammonia-containing high temperature aqueous water medium |
| 03/11/2009 | CN101381303A Preparation method of 3-fluorophthalic acid |
| 03/11/2009 | CN101381302A 2-bromomethyl-6-methyl benzoyl chloride/bromium and preparation method thereof |
| 03/11/2009 | CN101381301A Preparation method of 4-chloro-2,5-difluorobenzoic acid |
| 03/11/2009 | CN101381300A Method for synthesizing 2,2-bis(hydroxymenthyl)propinonic acid |
| 03/11/2009 | CN101381299A Method for synthesizing 2,2-bis(hydroxymenthyl)butyric acid |
| 03/11/2009 | CN101381298A Method for preparing conjugate linolic acid using idesia polycarpa maxim. var. vestita diels oil |
| 03/11/2009 | CN101381297A Method for separating caprylic acid from mixture of caprylic acid and capric acid |
| 03/11/2009 | CN101381296A Method for synthesizing carbon nuclide (<11>C) labeled acetate |
| 03/11/2009 | CN101381295A Double label <13>C2-acetic acid preparation method |
| 03/11/2009 | CN100467437C Process for the production of 2-hydroxy-4-methylthiobutyric acid ammonium salt |
| 03/10/2009 | US7501540 Process for producing perfluorodiacyl fluorinated compounds |
| 03/10/2009 | US7501537 Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange |
| 03/10/2009 | US7501477 excellent mechanical, thermal and optical properties, in the preparation of organic materials for high-power lasers used in particular when nuclear physics experiments are carried out; comprising, for example, d6-3,3',4,4'-biphenyltetracarboxylic dianhydride and d8-p-phenylenediamine |
| 03/10/2009 | CA2406228C Methods for preparing cla isomers |
| 03/10/2009 | CA2348412C A process for the preparation of alpha-arylalkanoic acids |
| 03/10/2009 | CA2209270C Method of preparing substituted anthraquinones and use thereof for preparing rheins |
| 03/05/2009 | WO2009028719A1 Alkali metal fluoride dispersion, and process for production of fluorinated organic compound using the same |
| 03/05/2009 | WO2009028676A1 Method for producing carbonyl compound an pro-oxidant used for production of carbonyl compound |
| 03/05/2009 | WO2009028608A1 Process for production of phenol derivatives substituted with iodine at ortho position |
| 03/05/2009 | WO2009028371A1 Acrolein production method and acrylic acid production method |
| 03/05/2009 | WO2009028292A1 Process for producing acrylic acid |
| 03/05/2009 | WO2009027250A2 Distillation of ionic liquids |
| 03/05/2009 | WO2009026774A1 The process of producing formic acid with phosphoric acid extracted and sodium formate |
| 03/05/2009 | WO2009026773A1 Process for producing formic acid by acidifying sodium formate with acidifying agent |
| 03/05/2009 | WO2009026772A1 Self-clearing reactor for preparing formic acid |
| 03/05/2009 | WO2009014471A3 Method for producing mechanically activated amorphous and amorphocrystalline compounds of gluconic acid calcium salt |
| 03/05/2009 | WO2008149370A3 Oxidation of aldehydes and alkenes |
| 03/05/2009 | WO2008001391A3 Site-specific inhibitors of histone methyltransferase [hmtase] and process of preparation thereof |
| 03/05/2009 | US20090062564 Method for Producing Methacrolein and/or Methacrylic Acid |
| 03/05/2009 | US20090062563 Process for Preparing Aromatic Carboxylic Acids |
| 03/04/2009 | EP2030963A2 Derivatives of 1-oxyl-4-hydroxy-or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers |
| 03/04/2009 | EP2029565A1 Method for preventing fumaric acid deposits in the production of maleic acid anhydride |
| 03/04/2009 | EP2029515A1 Metal complexes comprising a ligand derived from 2-aryl-2-hydroxyacetic acid and a divalent or trivalent metal cation, and their use |
| 03/04/2009 | EP2029514A2 Production of acetic acid and mixtures of acetic acid and acetic anhydride |
| 03/04/2009 | EP2029513A1 Process for converting nitrile compounds to carboxylic acids and corresponding esters |
| 03/04/2009 | EP2029512A2 Process for preparing acrolein or acrylic acid or a mixture thereof from propane |
| 03/04/2009 | EP2029507A1 Process for preparing phenoxy acetic acid derivatives |
| 03/04/2009 | EP2029275A1 Process for production of supported catalyst for acetic acid production |
| 03/04/2009 | EP0839162B1 Optical clarity stabilizing fatty alkyl diethanolamines |
| 03/04/2009 | CN101379017A Acrolein preparation method |
| 03/04/2009 | CN101376628A Novel phenolic acid compound, preparation and pharmaceutical composition thereof and use |
| 03/04/2009 | CN101376627A Preparation of 4-hydroxybenzoyl chloride |
| 03/04/2009 | CN101376626A Preparation of iron oxalate hydrous salt crystal |
| 03/04/2009 | CN100465156C A preparation method of glutamic acid compounds and intermediates thereof and novel intermediates used by the method |
| 03/04/2009 | CN100465149C A preparation method of chlorophenyl acetic acid |
| 03/04/2009 | CN100465146C A production method of ethers, esters or acid anhydrides |
| 03/03/2009 | US7498463 Oxide catalyst for oxidation or ammoxidation |
| 03/03/2009 | US7498462 Process for producing α,β-unsaturated carboxylic acid |
| 03/03/2009 | US7498453 Low trans-fatty acid fats and fat compositions and methods of making same |
| 02/26/2009 | WO2009024872A2 Improved process for the recovery of terephthalic acid |
| 02/26/2009 | WO2009024549A2 Process and apparatus for oxidizing organic compounds |
| 02/26/2009 | WO2009024446A2 Process and device for the oxidation of organic compounds |
| 02/26/2009 | US20090054687 Process for Producing Perfluoropolyether Carboxylic Acid Fluoride |
| 02/26/2009 | US20090054686 Process for preparing concentrated solutions of salts of organic acids |
| 02/26/2009 | US20090054678 Method for producing unsaturated carboxylic acids and nitriles |
| 02/25/2009 | EP2028175A1 Method of replacing dispersion medium |
| 02/25/2009 | EP2028174A1 Method for producing unsaturated carboxylic acids and nitriles |
| 02/25/2009 | EP2027134A1 Chiral ligands used in transition metal catalysts for asymmetric addition reactions especially hydrogenation |
| 02/25/2009 | EP1910265B1 Assembly for the treatment of a polymerizable material |
| 02/25/2009 | CN101374796A Process for the production of acetic acid |
| 02/25/2009 | CN101374795A Process for the production of acetic acid |
| 02/25/2009 | CN101374794A Process for the production of acetic acid |
| 02/25/2009 | CN101372452A Method for recycling terephthalic acid from color terephthalic acid residue by hydrogenation method |
| 02/25/2009 | CN101372451A Chemical synthesis method of 2,3,4,5-phenyl tetrafluoride formyl chloride |
| 02/25/2009 | CN101372450A Method for production of (meth)acrylic acid |
| 02/25/2009 | CN101372449A Method for producing unsaturated carboxylic acids |
| 02/25/2009 | CN100463895C Granular sodium benzoate and its production process |
| 02/25/2009 | CN100463894C Industrial synthetic process for cis-2-butenic acid |
| 02/25/2009 | CN100463893C Method for removing oil tar in process of synthesizing acetic anhydride by carboxy group using sieve-board type extraction tower with centrifugal stirring |
| 02/25/2009 | CN100463892C Resolution process for salicylic acid and its isomer using hydrotalcite |
| 02/24/2009 | US7495130 Method for producing substituted arylcarboxylic acid chlorides |
| 02/24/2009 | US7495129 Purification of a monomer by extraction with a phase former and crystallization |
| 02/24/2009 | US7495125 Optimized liquid-phase oxidation |
| 02/24/2009 | US7494684 Such as sodium/lithium/potassium lactate for use in premixes/concentrates/flavorings for foodstuffs |
| 02/24/2009 | US7494641 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 02/24/2009 | CA2247820C Functionalized nanotubes |
| 02/19/2009 | WO2009023087A1 Integrated polyester production facility |
| 02/19/2009 | WO2009021987A1 Process for the preparation of esters of 4-fluorosubstituted 3-oxo-alcanoic acids |
| 02/19/2009 | WO2008155520A3 4-hydroxy benzoate derivatives for use in the treatment of infection, inflammation or pain |
| 02/19/2009 | WO2005093010A3 Converting propylene in an oxygenate-contaminated propylene stream to non-polymerization derivative products |
| 02/19/2009 | US20090048459 Method of making hydrogenated metathesis products |
| 02/19/2009 | US20090047687 Indane Acetic Acid Derivatives and Their Use as Pharmaceutical Agents, Intermediates, and Method of Preparation |
| 02/18/2009 | EP2025663A1 Novel carboxylic acid compound, use thereof, and process for producing the same |
| 02/18/2009 | EP2024086A2 Process for the production of aromatic carboxylic acids in water |
| 02/18/2009 | EP2024085A1 Catalyst system for the manufacture of carboxylic acids and/or carboxylic acid anhydrides |
| 02/18/2009 | CN101367721A Method for preparing benzene acetic acid with phenylacetonitrile hydrolyzation in ammonia-containing high temperature liquid water medium |
| 02/18/2009 | CN101367720A Acrylic purification process and apparatus of bulkhead azeotropy rectification column |
| 02/18/2009 | CN101367719A Clean preparation method for preparing sebacic acid with non-phenols cracking of ricinus oil |
| 02/18/2009 | CN101367718A Method for preparing high-purity sodium formate with tail gas of yellow phosphorus stove |
| 02/18/2009 | CN101367051A Rhodium carbonyl complex catalyst for carbonyl synthesis of acetate, acetic anhydride |
| 02/18/2009 | CN100462350C Process for directly producing calcium lactate from crust and lactic acid |
| 02/18/2009 | CN100462349C Process for producing (meth)acrolein or (meth)acrylic acid |
| 02/18/2009 | CN100462144C Method for preparation of a composition |
| 02/17/2009 | US7491845 Process for producing adipic acid |
| 02/17/2009 | US7491843 Integrated process for the production of vinyl acetate and/or acetic acid |
| 02/17/2009 | US7491842 Acetic acid, methyl acetate; alcohol, methyl acetate, dimethyl ether, methyl iodide; carbon monoxide, hydrogen synthesis gas; heterogeneous heteropolyacid catalyst of transition metal substituted silicotungstic acids, silicomolybdic acids, phosphotungtic acids, phosphomolybdic acids; continuous process |
| 02/17/2009 | US7491839 Mixing water with acids, ketones or esters; supplying stream into distilaltion column; controlling temperature, pressure |
| 02/17/2009 | US7491820 Selective hydrogenation of oils that contain unsaturated fatty acyl components; hydrogen peroxide-treated copper carbonate/copper hydroxide hydrogenation catalyst |
| 02/17/2009 | US7491673 Method for preparing a catalyst for partial oxidation of acrolein |