Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
06/2006
06/07/2006CN1258513C Method of removing organic iodides from organic media
06/07/2006CN1258512C Process for production of purified terephthalic acid
06/07/2006CN1258511C Crystallization method for production of purified aromatic dicarboxylic acids
06/07/2006CN1258400C High temperature mixture
06/07/2006CN1258398C Multi-metallic oxide catalyst accelerated with zinc and/or gallium
06/06/2006US7057067 Reacting a benzoic acid with a halogenating agent in presence of palladium catalyst to form halogenated benzoic acid or derivatives
06/06/2006US7057058 Process for the preparation of 13-cis-retinoic acid
06/06/2006US7057038 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids
06/06/2006CA2275458C Novel supported catalysts
06/01/2006WO2006056591A1 A process for the dimerisation of levulinic acid, dimers obtainable by such process and esters of such dimers
06/01/2006WO2006056436A1 Method for the production of phthalic dichloride
06/01/2006WO2006028817A3 Optimized liquid-phase oxidation
06/01/2006WO2006028756A3 Optimized liquid-phase oxidation
06/01/2006WO2006028752A3 Optimized liquid-phase oxidation
06/01/2006US20060116532 Providing mixture containing at least 5 wt.% of acidic monomer such as acrylic acid and at least 0.01 wt.% water or 0.01 wt.% impurities, adding phase former such as sulfuric acid, lowering temperature of phase system, isolating product crystals; monomer for producing fibers, formed bodies; stress-free
06/01/2006US20060116531 Modeling of liquid-phase oxidation
06/01/2006US20060116530 Optimized liquid-phase oxidation
06/01/2006US20060116524 Wax dispersions
06/01/2006DE102004057146A1 Verfahren zur Herstellung von Phthalsäuredichlorid A process for preparing phthaloyl chloride
05/2006
05/31/2006EP1660432A2 A recycling process for preparing sertraline
05/31/2006EP1660226A1 Method of producing unsaturated aldehyde and unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system
05/31/2006EP1660225A1 Oxidation process and reactor with modified feed system
05/31/2006EP1485343A4 Amorphous hmg-coa reductase inhibitors of desired particle size
05/31/2006EP1341743B1 Organic reactions with co generating materials
05/31/2006EP0894142B1 Microbial oil containing a polyunsaturated fatty acid and method of producing oil from pasteurised and granulated biomass
05/31/2006CN1780807A Method for the separation of monomers from a composition containing a monomer
05/31/2006CN1780806A Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam
05/31/2006CN1778789A Production of 3,3-dimethyl-butyrylchlorine
05/31/2006CN1778788A Production of pivalic acid
05/31/2006CN1778787A Production of copper acetate
05/31/2006CN1778469A Catalyst system for synthetizing acetic acid from methanol or synthetizing ethylanhydride from methyl acetate and use thereof
05/31/2006CN1778468A Catalyst system of catalytic methylester acetate or methylether synthetic acetoanhy dride and use thereof
05/31/2006CN1257882C Method for synthesizing edible conjugated calcium linoleic acid
05/31/2006CN1257881C Method for preparing acrylic acid and its esters
05/31/2006CN1257880C Process for producing adipic acid and hexanediamine by depolymerization of nylon-66
05/31/2006CN1257879C Malonic acid in high purity preparation method
05/30/2006US7053249 Immunoassay; detecting emission
05/30/2006US7053241 Acetic acid production methods incorporating at least one metal salt as a catalyst stabilizer
05/30/2006US7053238 reacting polyvalent alcohol with an acid halide to obtain polyvalent ester compound, fluorinating in liquid phase to obtain perfluorinated polyvalent ester compound, then cleaving the ester bonds
05/30/2006US7053237 Process for producing a fluorinated ester, a fluorinated acyl fluoride and a fluorinated vinyl ether
05/30/2006US7053147 Production of unsaturated acids or esters thereof
05/30/2006US7053022 Mixed oxide oxidation catalyst; oxidation of hydrocarbons to nitriles
05/30/2006US7052657 Liquid phase reaction system is a reaction system in which methanol and carbon monoxide are reacted in the presence of a carbonylation catalytic system to produce acetic acid
05/30/2006CA2185575C A process and extractant composition for extracting acids
05/26/2006WO2006054893A2 Process for the recovery of acids
05/26/2006WO2006054515A1 Method for manufacturing palladium-containing catalyst
05/26/2006WO2006053732A1 Use of titanium dioxide mixtures for producing catalysts
05/26/2006WO2006053731A1 Method for producing water-absorbing polymers
05/26/2006CA2527875A1 Adapalene polymorphic forms
05/25/2006WO2006032457A9 Peptide cyclisation
05/25/2006US20060111579 Dispersing a short chain alcohol in a liquid raw material composed of fatty acids, oils, and/or fats and an acid catalyst or a basic catalyst to form a dispersion having a globule size of1 mu m - 50 mu m.
05/25/2006US20060111575 Non-routine reactor shutdown method
05/25/2006US20060111269 Depot preparations
05/24/2006EP1659197A1 Process for the recovery of acids
05/24/2006EP1659108A1 Two-step process to produce methyl branched organic compounds using dimethyl ether and hydrogen
05/24/2006EP1658258A1 Method for the production of maleic anhydride
05/24/2006EP1658139A1 Process for producing catalyst for production of acetic acid, catalyst for production of acetic acid obtained by the production process and process for producing acetic acid using the catalyst
05/24/2006EP1220827B1 Continuous process for preparing lactic acid
05/24/2006EP0839162A4 Optical clarity stabilizing fatty alkyl diethanolamines
05/24/2006DE102004055252A1 Verfahren zur Herstellung von aliphatischen geradkettigen und ß-alkylverzweigten Carbonsäuren A process for preparing aliphatic straight-chain and ß-alkyl-branched carboxylic acids
05/24/2006CN2782680Y Oxidation device for producing aromatic carboxylic acid
05/24/2006CN1777573A Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst
05/24/2006CN1775733A Calcium nervonate and its preparing method and use
05/24/2006CN1775732A Method for extracting nervonic acid from acer truncatum buge oil
05/24/2006CN1775731A Method for separating acetylpropionic acid from mono saccharide hydrolyzate
05/24/2006CN1775730A Alkali decremental waste water terephthalic acid recovery device
05/24/2006CN1775729A Method for producing high-purity citric acid
05/24/2006CN1775728A Method for extracting omega 6 polyunsaturated fatty acid from plant seeds
05/24/2006CN1775727A Method for producing disodium succinate
05/24/2006CN1775726A Method for synthesizing diphenyl-2-carboxylic acid
05/24/2006CN1775725A Method for preparing terephthalic acid
05/24/2006CN1775724A Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids
05/24/2006CN1775712A Method for extracting compounds using folium orthosiphoni leaf and stem as raw material
05/24/2006CN1257153C Novel propargylether derivatives
05/24/2006CN1257146C Process for producing terephthalic acid and device therefor
05/24/2006CN1257145C Carbonylation reactor for producing acetic acid, and application method
05/24/2006CN1256998C Sublimation purifying method and apparatus
05/23/2006US7049467 Process for the manufacture of isobutyric anhydride
05/23/2006US7049466 Recycle process
05/23/2006US7049465 Liquid phase oxidation using aromatic feedstock
05/23/2006US7048835 System and method for acetic acid recovery during terephthalic acid production
05/23/2006US7048834 Method for purification of acrylic acid
05/23/2006CA2319780C Improved separation processes
05/19/2006CA2527439A1 Methylidene mevalonates and their use as herbicides
05/18/2006WO2006051400A1 Process for preparing aloe-emodin
05/18/2006WO2006002762A3 Method for carbonylating phenylalkyl derivatives by means of carbon monoxide
05/18/2006US20060106259 Phospha-adamantane(s) catalytic system
05/18/2006US20060106251 Oxidation of a hydrocarbon with oxygen forming esters; hydrolysing the esters in the presence of a monocarboxylic acid-based solvent and of an oxidation catalyst; oxidation of cyclohexane to adipic acid
05/18/2006US20060106250 Method for producing carbonyl compound
05/18/2006US20060106249 Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids
05/18/2006US20060106244 Hydrothermally synthesized Mo-V-M-X oxide catalysts for the selective oxidation of hydrocarbons
05/18/2006US20060106238 isomerizing a linoleic acid lower alkyl ester in the presence of an alkali metal alcoholate to form a conjugated linoleic acid lower alkyl ester; saponifying in the presence of an aqueous lye to form a saponification product; and neutralizing the saponification product with phosphoric acid
05/18/2006CA2586260A1 Process for preparing aloe-emodin
05/17/2006EP1657231A1 Method for the preparation of unsymmetrical anhydrides
05/17/2006EP1657230A1 Process for the preparation of aliphatic linear and ß-alkyl-branched carboxylic acids
05/17/2006EP1656335A1 Method for the production of (meth)acrolein and/or (meth)acrylic acid
05/17/2006EP1656200A1 Catalyst composition and use thereof in ethane oxidation
05/17/2006EP1603857A4 Method for making industrial chemicals
05/17/2006EP1515976B1 Dicopper(i)oxalate complexes for use as precursor substances in metallic copper deposition
05/17/2006EP1335892B1 Method for producing acetic acid