Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
04/2007
04/04/2007CN1939459A Preparation of gardenia jasminoides by membrane separation technology
04/04/2007CN1939457A Preparation of gardenia jasminoides extracts
04/04/2007CN1308282C Catalytic synthesis of 4-trifluoromethylvinyl salicylic acid
04/04/2007CN1308281C Continuously producing method for proplonic acid by oxidizing propionic aldehyde
04/04/2007CN1308280C Method for preparing aromatic hydroxyl carboxylic acid
04/04/2007CN1308075C Catalyst systems for converting alkanes to alkenes and to their corresponding oxygenated products
04/03/2007US7199263 Acetic anhydride and acetate ester co-production
04/03/2007US7199259 Resolution of α-(phenoxy)phenylacetic acid derivatives
04/03/2007US7198766 Method for production of acrylic acid and apparatus for production of acrylic acid
04/03/2007CA2398578C Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
04/03/2007CA2288293C Method for producing acetic acid in a reactor cascade
04/03/2007CA2172519C Method of resolution of two enantiomers by crystallysation
03/2007
03/29/2007WO2007034972A1 Method for recovering tungsten
03/29/2007WO2007034812A1 Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier
03/29/2007WO2007034719A1 Compound, method for producing same, positive resist composition and method for forming resist pattern
03/29/2007WO2007033508A2 Organic compounds
03/29/2007WO2007004238A3 A process for the manufacture of divalproex sodium
03/29/2007WO2006088470A3 Purification of carboxylic acids by complexation with selective solvents
03/29/2007WO2006028533A3 Candle using solidified skin care agents for fuel, and providing skin care liquid as an operational end product
03/29/2007US20070073084 Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency
03/29/2007US20070073083 Process for the production of olefins
03/29/2007US20070073070 ethanolysis of an oil, a fat, or a glyceride, in two catalysis stages using a soluble basic catalyst ( e.g. sodium methylate) while obtaining natural decantation of the glycerin after the first transesterification stage without requiring excess alcohol distillation or addition of water
03/28/2007EP1767521A1 L-ornithine-citric acid salt crystal
03/28/2007EP1765964A2 Polyunsaturated fatty acid monovalent and divalent metal salt synthesis
03/28/2007EP1765759A1 Method for the production of acrylic acid by means of heterogeneously catalyzed partial gas phase oxidation of propylene
03/28/2007EP1765758A1 Highly soluble form of tricalcium citrate, and methods of its making and use
03/28/2007EP1765757A1 Process for the preparation of lactic acid or lactate from a magnesium lactate comprising medium
03/28/2007EP1765754A1 Method for the production of acrolein, acrylic acid, or a mixture thereof from propane
03/28/2007EP1765753A1 Method for the production of acrolein, acrylic acid, or a mixture thereof by means of heterogeneously catalyzed partial gas phase oxidation of propylene
03/28/2007EP1765496A1 Catalysts based on metal complexes for the synthesis of optically active chrysanthemic acid
03/28/2007CN1938257A Recovery of organic acids
03/28/2007CN1938256A Method for recovering acrylic acid
03/28/2007CN1938255A Preparation of acrylic acid derivatives from alpha or beta-hydroxy carboxylic acids
03/28/2007CN1938254A Process for producing aliphatic dicarboxylic acid compound
03/28/2007CN1938253A Method for producing carboxylic acid compound
03/28/2007CN1938086A Catalyst having a silver-vanadium oxide phase and a promoter phase
03/28/2007CN1938085A Palladium, tungsten and zirconium-based catalyst for production of oxygen-containing compound, production process of the catalyst, and production process of oxygen-containing compound using the cataly
03/28/2007CN1935774A Method for producing terephthalic acid by catalyzed oxidation of paraxylene
03/28/2007CN1935773A Process for producing trans-1,4-cyclohexanedicarboxylic acid
03/28/2007CN1935772A Method for preparing niobium oxalate
03/28/2007CN1935771A Method for treating perfluoro ammonium caprylate in waste water for PTFE dispersion resin production
03/28/2007CN1935770A Method for recovering and treating perfluoro ammonium caprylate for PTFE resin production by dispersion method
03/28/2007CN1935769A Refining method capable of increasing citric-acid solubility
03/28/2007CN1307145C Distillation apparatus for readily polymerizable compound
03/28/2007CN1307109C Method for recovering aromatic carboxylic acid in industrial waste water containing terephthalic acid
03/28/2007CN1306978C Method for recovering sublimates
03/27/2007US7196231 Process for removal of acrolein from acrylonitrile product streams
03/27/2007US7196218 Water immiscible solvent mixture containing amines, 91% by volume of isomers of highly branched di-alkyl amines and with very low content of mono-alkyl amines; used for solvent extraction of acetic acid from bioreactor broth; solvent is modified form of tradename Adogen 283 (reg) solvent
03/27/2007US7196217 Operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound
03/27/2007US7196215 Process for the production of purified terephthalic acid
03/27/2007US7196197 Reacting esters of 2,5-bis(2,2,2-trifluoroethoxy)-benzoic acid with primary amino group of 2-(aminomethyl)piperidine; high yield and purity; starting material has low toxicity; arrhythmia
03/27/2007US7196179 gluconic acid reaction or hydrolysis of glucono delta lactone in water with lactic acid in the presence of calcium hydroxide ; hypocalcaemia, hyperparathyroidism, osteomalacia, rickets, symptomatic treatment of osteoporosis especially in menopause, to calcify in breast milk
03/27/2007US7196081 Compounds with hydroxycarbonyl-halogenoalkyl side chains
03/27/2007US7196041 Anionic and cationic surfactants having branched aliphatic chains used as reversible well bore fluid thickeners to recover hydrocarbon oil and gas; soluble in both organic and aqueous fluids; high speed breakdown of viscoelastic sols
03/27/2007US7195865 Method and apparatus for preparing grains of silver salt of organic and method for producing thermally processed image recording material
03/27/2007US7195752 Surfactant compounds and uses thereof
03/27/2007CA2189185C Method for preparing alkylbenzoic acid
03/22/2007WO2007032409A1 Method for synthesis of keto acid or amino acid by hydration of acethylene compound
03/22/2007WO2007032228A1 Methods for recovery of molybdenum and process for preparation of catalysts
03/22/2007WO2007032202A1 Novel compound having two-phase state and process for producing the same
03/22/2007US20070066845 Allows the electric power heretofore required for the cooler to be decreased by utilizing the chilled coolant obtained during the gasification; heat exchanging; stabilize the production, reduce the polymerization and clogging
03/22/2007US20070066838 Method of manufacturing fatty acid ethyl esters from triglycerides and alcohols
03/22/2007US20070066836 Method for producing phthalic anhydride
03/22/2007DE102005042458A1 Verfahren zur Herstellung von 2-substituierten Carbonsäuren A process for the preparation of 2-substituted carboxylic acids
03/21/2007EP1764356A1 Process for producing (meth)acrylic anhydride
03/21/2007EP1626949B1 Supported metal-phosphine-aminophosphine catalysts
03/21/2007EP1425257B1 One step process for producing dicarboxylic acids
03/21/2007EP1341751B1 Process for making 5-cyanovaleric acid or adipic acid
03/21/2007EP1123914B1 Columnar crystals of 6-hydroxy-2-naphthoic acid and process for the production thereof
03/21/2007CN1934177A Method of decomposing plastic
03/21/2007CN1934072A Therapeutic and carrier molecules
03/21/2007CN1934064A Utilization of acetic acid reaction heat in other process plants
03/21/2007CN1934062A Cleaving oligomeric (meth)acrylic acid in the liquid phase and under pressure
03/21/2007CN1933904A Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof
03/21/2007CN1931823A Process of extracting and separating shikimic acid from aniseed
03/21/2007CN1931822A Process of extracting shikimic acid from aniseed
03/21/2007CN1931821A Process of resolving optical isomer of 2-hydroxmethyl-3-phenylpropionic acid
03/21/2007CN1305853C Process for the manufacture of HMG-coa reductase inhibitors
03/21/2007CN1305832C Method for producing purified (meth)acrylic acid
03/21/2007CN1305831C Apparatus for (meth)acrylic acid production and process for producing (meth)acrylic acid
03/21/2007CN1305830C Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids
03/21/2007CN1305827C Catalytic gas phase oxidation reaction
03/21/2007CN1305817C Preparation of at least one partial oxidation and/or ammoxidation product of propylene
03/21/2007CN1305816C Method for extracting compounds using folium orthosiphoni leaf and stem as raw material
03/21/2007CN1305544C Distillation apparatus for readily polymerizable compound
03/20/2007US7193110 Method for producing carboxylic acid
03/20/2007US7193109 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
03/20/2007US7193096 Process for producing a conjugated di- or poly-unsaturated fatty acid of 12 to 24 carbon atoms or salt or ester thereof
03/20/2007US7192982 Modulators of peroxisome proliferator activated receptors
03/20/2007CA2300114C Method for the recovery of formic acid
03/15/2007WO2007030452A2 Methods and apparatus for producing lower alkyl esters
03/15/2007WO2007029929A1 Method of preparing organic acids from aldehyde compounds by means of liquid phase oxidation reaction
03/15/2007WO2007028751A2 Neutralization method
03/15/2007WO2007028747A1 Neutralization process
03/15/2007WO2007028746A1 Neutralization method
03/15/2007US20070060772 Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids
03/15/2007US20070060763 Process for working up fatty compounds
03/15/2007US20070060758 Passing o-xylene and/or naphthalene and oxygen over vanadium oxide, titanium dioxide and antimony oxide catalyst beds at a temperature of from 300 to 450 degrees C. to produce phthalic anhydride; high yield over longer periods of time
03/15/2007US20070060703 Method for producing (meth)acrylic acid derivative
03/14/2007EP1761476A2 Method for preparing free-flowing crystalline material