| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/30/2008 | CA2307783C Method and apparatus for preparing purified terephthalic acid |
| 12/25/2008 | US20080319228 Method of fluorination |
| 12/25/2008 | US20080319224 partial direct oxidation of propane to acrylic acid in the gas phase using a heterogenous catalyst of mixed oxide of Mo or W, in which the reaction gas mixture comprises cyclopropane as an impurity and acrylic acid then converted to liquid phase, separated from other constituents by crystallization |
| 12/25/2008 | US20080319223 Carbonylating methanol with carbon monoxide using an iridium carbonylation catalyst, methyl iodide cocatalyst, a finite concentration of water, acetic acid, methyl acetate and as promoters boron and gallium; by-product inhibition; reduced toxicity compared to a ruthenium promoted iridium catalyst |
| 12/25/2008 | US20080319075 Polymorphic forms of nateglinide |
| 12/25/2008 | US20080318776 2,6-Diethyl-4-Methylphenyl-Substituted Tetramic Acid Derivatives |
| 12/24/2008 | WO2008156651A1 Production of gasoline from fermentable feedstocks |
| 12/24/2008 | WO2008155520A2 4-hydroxy benzoate derivatives for use in the treatment of infection, inflammation or pain |
| 12/24/2008 | WO2008155506A1 Method for the synthesis of diacids or diesters from natural fatty acids and/or esters |
| 12/24/2008 | WO2008155338A2 Process for the synthesis of intermediates of renin inhibitors such as aliskiren |
| 12/24/2008 | WO2008113730A3 Polynary vanadyl pyrophosphate |
| 12/24/2008 | WO2008113729A3 Polynary metal vanadium oxide phosphate |
| 12/24/2008 | WO2008113728A3 Polynary metal oxide phosphate |
| 12/24/2008 | EP2006274A1 Method for producing 3,3,3-trifluoropropionic acid chloride |
| 12/24/2008 | EP2004589A1 Process for preparing porous metal-organic framework materials |
| 12/24/2008 | EP2004588A1 Process for the preparation of carboxylic acids and/or derivatives thereof |
| 12/24/2008 | EP2004583A2 System and method for converting biomass to ethanol via syngas |
| 12/24/2008 | EP2004326A1 Process for the preparation of carbonylation products |
| 12/24/2008 | EP1907346B1 Method for extracting lactic acid from aqueous suspensions |
| 12/24/2008 | EP1095006B1 Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers |
| 12/24/2008 | CN101331104A Method for producing optically active (4E)-5-chloro-2-isopropyl-4-pentenoic acid or basic amino acid salt thereof |
| 12/24/2008 | CN101331103A Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them |
| 12/24/2008 | CN101328116A A process for producing acrylic acid |
| 12/24/2008 | CN100445258C Method for preparing 1,2,4,5-benzene tetra-acid and 1,2,4,5-benzene tetra-anhydride |
| 12/24/2008 | CN100445257C Process of separating and extracting succinic acid from anaerobic fermented liquid |
| 12/24/2008 | CN100445256C Two stage oxidation process for production of aromatic dicarboxylic acids |
| 12/24/2008 | CN100445255C Method for catalytic hydrogenation of six carbocyclic compound by schiff bases-porphyrin metallic compound |
| 12/24/2008 | CN100445222C Method of purifying fischer-tropsch derived water |
| 12/24/2008 | CN100444919C Method for separating and utilizing MeTHPA production waste liquid |
| 12/24/2008 | CN100444918C Separation method of MeTHPA production waste liquid |
| 12/24/2008 | CA2688837A1 Organic compounds |
| 12/23/2008 | US7468456 Azeotropic distillation process for separating acetic acid, methylacetate and water in the production of an aromatic carboxylic acid |
| 12/23/2008 | US7468167 Method for starting up reactor and reactor system |
| 12/23/2008 | CA2259849C Unsulfurized, alkali metal-free, additive for lubricating oils |
| 12/18/2008 | WO2008153708A2 Reaction product of rhodium-catalyzed methanol carbonylation |
| 12/18/2008 | WO2008153624A1 Preparation of acetic acid |
| 12/18/2008 | WO2008153093A1 Method of degradation recovery for polyethylene terephthalate resin |
| 12/18/2008 | WO2008152960A1 Polymerization inhibition method |
| 12/18/2008 | WO2008152952A1 Catalyst for producing of acrylic acid, method for producing acrylic acid using the catalyst and method for producing water-absorbent resin using the acrylic acid |
| 12/18/2008 | WO2008152946A1 Method of distilling liquid containing easily polymerizable compound |
| 12/18/2008 | US20080312462 Process for the manufacture of HMG-CoA reductase inhibitory mevalonic acid derivatives |
| 12/18/2008 | US20080312457 Process |
| 12/18/2008 | US20080312456 Process for the synthesis of peptides containing a 4-hydroxy-proline substructure |
| 12/18/2008 | US20080312450 Method for Start-Up of Oxidation Catalysts |
| 12/18/2008 | US20080308402 Purification of aqueous solutions of organic acids |
| 12/18/2008 | DE102007028333A1 Verfahren zum Einbringen einer wenigstens einer Produktionscharge von ringförmigen Schalenkatalysatoren K entnommenen Teilmenge in ein Reaktionsrohr eines Rohrbündelreaktors A method for introducing a least one production charge of annular coated catalysts K portion withdrawn in a reaction tube of a tube bundle reactor |
| 12/17/2008 | EP2003113A1 Process for production of carboxylic acid chloride compound |
| 12/17/2008 | EP2003112A1 Method for producing carboxylic acid compound |
| 12/17/2008 | EP2003111A1 Process for production of 5-phenylisophthalic acid |
| 12/17/2008 | EP2001586A1 Adsorbent for water adsorption and desorption |
| 12/17/2008 | EP1910264A4 Aroma composition and method |
| 12/17/2008 | EP1877358B1 Method for producing tetracarboxylic acids |
| 12/17/2008 | EP0989105B1 Process for producing aromatic compounds via treatment with supercritical water |
| 12/17/2008 | CN101323565A Technological process for processing cobalt acetate |
| 12/17/2008 | CN100443459C Preparation method and device of acetyl chloride and hydroxy ethylene diphosphonic acid coproduction |
| 12/17/2008 | CN100443458C Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid |
| 12/17/2008 | CN100443457C Method for producing acetic acid |
| 12/17/2008 | CN100443173C Catalyst system for synthetizing acetic acid from methanol or synthetizing ethylanhydride from methyl acetate and use thereof |
| 12/16/2008 | US7465824 Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification |
| 12/16/2008 | US7465823 Integrated process for producing acetic acid and vinyl acetate monomers, with heat recovery; cost and energy savings |
| 12/16/2008 | US7465822 Process for carbonylation of alkyl ethers |
| 12/16/2008 | US7465752 Peroxisome Proliferator Activated Receptors modulators; ethyl (R,S)-2-(4-trifluoromethylphenyl)oxypent-4-enoate; dyslipidemia, atherosclerosis and diabetes |
| 12/11/2008 | WO2008151034A1 Improved process for purification of aryl carboxylic acids |
| 12/11/2008 | WO2008149370A2 Oxidation of aldehydes and alkenes |
| 12/11/2008 | WO2008148647A1 Process for producing a solution of diacid/diamine salts |
| 12/11/2008 | WO2008128988A3 Method for starting a heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid or of methacrolein into methacrylic acid |
| 12/11/2008 | WO2008078350A3 Process for the preparation of fluorophenylacetic acids and derivatives thereof |
| 12/11/2008 | US20080306298 Method for Manufacturing Palladium-Containing Catalyst |
| 12/11/2008 | DE102008040799A1 Separating a three carbon precursor compound of acrylic acid as main component containing acrylic acid and as byproduct containing glyoxal, in a product mixture of a heterogeneously catalyzed partial gas phase oxidation |
| 12/11/2008 | CA2688830A1 Separation of citric acid from gluconic acid in fermentation broth using a weakly or strongly basic anionic exchange resin adsorbent |
| 12/10/2008 | EP2000433A1 Process for the preparation of acetic acid and/or methyl acetate |
| 12/10/2008 | EP1667953B1 Metal surfaces to inhibit ethylenically unsaturated monomer polymerization |
| 12/10/2008 | CN101321720A Method for producing tetrafluoroterephthalic acid difluoride |
| 12/10/2008 | CN101321719A Method for producing tetrafluoroterephthalic acid difluoride |
| 12/10/2008 | CN101321718A Purification method of crude naphthalene dicarboxylic acid using microorganism and 2,6-naphthalene dicarboxylic acid in crystalline form obtained by using the same |
| 12/10/2008 | CN101318895A Novel separation purification method for p-benzene dicarboxylic acid |
| 12/10/2008 | CN101318894A Separation purification method and apparatus for p-benzene dicarboxylic acid |
| 12/10/2008 | CN101318893A Process for extracting shikimic acid and ethereal oil from octagonal |
| 12/10/2008 | CN101318892A Method for preparing sebacic acid with ricinus oil compounds |
| 12/10/2008 | CN101318891A Process for preparing sorbic acid |
| 12/10/2008 | CN101318890A Method for preparation of mixed benzol dimethanoic acid and benzene acetic acid |
| 12/10/2008 | CN100441560C Continuous preparation method for aromatic dicarboxylic acid |
| 12/10/2008 | CN100441559C Method of preparing punicic acid, its salt and ester |
| 12/09/2008 | US7462736 Oxidizing p-xylene to produce a crude terephthalic acid slurry; purifying to produce terephthalic acid particles, oxidation by-products, and at least 10 % aliphatic acid (acetic acid); and isolating the particles in a zone defined within a rotary pressure drum filter |
| 12/09/2008 | US7462727 Multimetal oxide containing silver, vanadium and a promoter metal and use thereof |
| 12/09/2008 | US7462649 Depolymerization ; ester interchange; repolymerization |
| 12/04/2008 | WO2008146613A1 Process for production of (meth)acrylic acid |
| 12/04/2008 | WO2008145976A1 Carbonylation process for the production of acetic acid using metal-pincer ligand catalysts |
| 12/04/2008 | WO2005095315A3 Process for hydroformylation of propylene |
| 12/04/2008 | US20080300414 Process for recharging the reaction tubes of a tube bundle reactor with a new fixed catalyst bed |
| 12/04/2008 | US20080300306 Novel Compounds |
| 12/04/2008 | US20080299390 Moulded Catalyst Bodies and Method for Hydrogenation of Carbonyl Compounds |
| 12/04/2008 | CA2688596A1 Carbonylation process for the production of acetic acid using metal-pincer ligand catalysts |
| 12/03/2008 | EP1996537A1 Process for the production of acetic acid |
| 12/03/2008 | EP1758845B1 Preparation of aminophosphines |
| 12/03/2008 | EP1663165B1 Improved stearate composition and method of production thereof |
| 12/03/2008 | EP1373277B1 Organometallic building materials and method for producing the same |
| 12/03/2008 | CN101314133A Acid-fast hydrogenation catalysts and uses thereof |
| 12/03/2008 | CN100439777C Prevention of accumulatnig materials unwanted |
| 12/03/2008 | CN100439315C Process for producing 1,3-naphthalenedicarboxylic acid |