Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
---|
04/04/2007 | CN1939459A Preparation of gardenia jasminoides by membrane separation technology |
04/04/2007 | CN1939457A Preparation of gardenia jasminoides extracts |
04/04/2007 | CN1308282C Catalytic synthesis of 4-trifluoromethylvinyl salicylic acid |
04/04/2007 | CN1308281C Continuously producing method for proplonic acid by oxidizing propionic aldehyde |
04/04/2007 | CN1308280C Method for preparing aromatic hydroxyl carboxylic acid |
04/04/2007 | CN1308075C Catalyst systems for converting alkanes to alkenes and to their corresponding oxygenated products |
04/03/2007 | US7199263 Acetic anhydride and acetate ester co-production |
04/03/2007 | US7199259 Resolution of α-(phenoxy)phenylacetic acid derivatives |
04/03/2007 | US7198766 Method for production of acrylic acid and apparatus for production of acrylic acid |
04/03/2007 | CA2398578C Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof |
04/03/2007 | CA2288293C Method for producing acetic acid in a reactor cascade |
04/03/2007 | CA2172519C Method of resolution of two enantiomers by crystallysation |
03/29/2007 | WO2007034972A1 Method for recovering tungsten |
03/29/2007 | WO2007034812A1 Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier |
03/29/2007 | WO2007034719A1 Compound, method for producing same, positive resist composition and method for forming resist pattern |
03/29/2007 | WO2007033508A2 Organic compounds |
03/29/2007 | WO2007004238A3 A process for the manufacture of divalproex sodium |
03/29/2007 | WO2006088470A3 Purification of carboxylic acids by complexation with selective solvents |
03/29/2007 | WO2006028533A3 Candle using solidified skin care agents for fuel, and providing skin care liquid as an operational end product |
03/29/2007 | US20070073084 Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency |
03/29/2007 | US20070073083 Process for the production of olefins |
03/29/2007 | US20070073070 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 |
03/28/2007 | EP1767521A1 L-ornithine-citric acid salt crystal |
03/28/2007 | EP1765964A2 Polyunsaturated fatty acid monovalent and divalent metal salt synthesis |
03/28/2007 | EP1765759A1 Method for the production of acrylic acid by means of heterogeneously catalyzed partial gas phase oxidation of propylene |
03/28/2007 | EP1765758A1 Highly soluble form of tricalcium citrate, and methods of its making and use |
03/28/2007 | EP1765757A1 Process for the preparation of lactic acid or lactate from a magnesium lactate comprising medium |
03/28/2007 | EP1765754A1 Method for the production of acrolein, acrylic acid, or a mixture thereof from propane |
03/28/2007 | EP1765753A1 Method for the production of acrolein, acrylic acid, or a mixture thereof by means of heterogeneously catalyzed partial gas phase oxidation of propylene |
03/28/2007 | EP1765496A1 Catalysts based on metal complexes for the synthesis of optically active chrysanthemic acid |
03/28/2007 | CN1938257A Recovery of organic acids |
03/28/2007 | CN1938256A Method for recovering acrylic acid |
03/28/2007 | CN1938255A Preparation of acrylic acid derivatives from alpha or beta-hydroxy carboxylic acids |
03/28/2007 | CN1938254A Process for producing aliphatic dicarboxylic acid compound |
03/28/2007 | CN1938253A Method for producing carboxylic acid compound |
03/28/2007 | CN1938086A Catalyst having a silver-vanadium oxide phase and a promoter phase |
03/28/2007 | CN1938085A 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 |
03/28/2007 | CN1935774A Method for producing terephthalic acid by catalyzed oxidation of paraxylene |
03/28/2007 | CN1935773A Process for producing trans-1,4-cyclohexanedicarboxylic acid |
03/28/2007 | CN1935772A Method for preparing niobium oxalate |
03/28/2007 | CN1935771A Method for treating perfluoro ammonium caprylate in waste water for PTFE dispersion resin production |
03/28/2007 | CN1935770A Method for recovering and treating perfluoro ammonium caprylate for PTFE resin production by dispersion method |
03/28/2007 | CN1935769A Refining method capable of increasing citric-acid solubility |
03/28/2007 | CN1307145C Distillation apparatus for readily polymerizable compound |
03/28/2007 | CN1307109C Method for recovering aromatic carboxylic acid in industrial waste water containing terephthalic acid |
03/28/2007 | CN1306978C Method for recovering sublimates |
03/27/2007 | US7196231 Process for removal of acrolein from acrylonitrile product streams |
03/27/2007 | US7196218 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 |
03/27/2007 | US7196217 Operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound |
03/27/2007 | US7196215 Process for the production of purified terephthalic acid |
03/27/2007 | US7196197 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 |
03/27/2007 | US7196179 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 |
03/27/2007 | US7196081 Compounds with hydroxycarbonyl-halogenoalkyl side chains |
03/27/2007 | US7196041 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 |
03/27/2007 | US7195865 Method and apparatus for preparing grains of silver salt of organic and method for producing thermally processed image recording material |
03/27/2007 | US7195752 Surfactant compounds and uses thereof |
03/27/2007 | CA2189185C Method for preparing alkylbenzoic acid |
03/22/2007 | WO2007032409A1 Method for synthesis of keto acid or amino acid by hydration of acethylene compound |
03/22/2007 | WO2007032228A1 Methods for recovery of molybdenum and process for preparation of catalysts |
03/22/2007 | WO2007032202A1 Novel compound having two-phase state and process for producing the same |
03/22/2007 | US20070066845 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 |
03/22/2007 | US20070066838 Method of manufacturing fatty acid ethyl esters from triglycerides and alcohols |
03/22/2007 | US20070066836 Method for producing phthalic anhydride |
03/22/2007 | DE102005042458A1 Verfahren zur Herstellung von 2-substituierten Carbonsäuren A process for the preparation of 2-substituted carboxylic acids |
03/21/2007 | EP1764356A1 Process for producing (meth)acrylic anhydride |
03/21/2007 | EP1626949B1 Supported metal-phosphine-aminophosphine catalysts |
03/21/2007 | EP1425257B1 One step process for producing dicarboxylic acids |
03/21/2007 | EP1341751B1 Process for making 5-cyanovaleric acid or adipic acid |
03/21/2007 | EP1123914B1 Columnar crystals of 6-hydroxy-2-naphthoic acid and process for the production thereof |
03/21/2007 | CN1934177A Method of decomposing plastic |
03/21/2007 | CN1934072A Therapeutic and carrier molecules |
03/21/2007 | CN1934064A Utilization of acetic acid reaction heat in other process plants |
03/21/2007 | CN1934062A Cleaving oligomeric (meth)acrylic acid in the liquid phase and under pressure |
03/21/2007 | CN1933904A Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof |
03/21/2007 | CN1931823A Process of extracting and separating shikimic acid from aniseed |
03/21/2007 | CN1931822A Process of extracting shikimic acid from aniseed |
03/21/2007 | CN1931821A Process of resolving optical isomer of 2-hydroxmethyl-3-phenylpropionic acid |
03/21/2007 | CN1305853C Process for the manufacture of HMG-coa reductase inhibitors |
03/21/2007 | CN1305832C Method for producing purified (meth)acrylic acid |
03/21/2007 | CN1305831C Apparatus for (meth)acrylic acid production and process for producing (meth)acrylic acid |
03/21/2007 | CN1305830C Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids |
03/21/2007 | CN1305827C Catalytic gas phase oxidation reaction |
03/21/2007 | CN1305817C Preparation of at least one partial oxidation and/or ammoxidation product of propylene |
03/21/2007 | CN1305816C Method for extracting compounds using folium orthosiphoni leaf and stem as raw material |
03/21/2007 | CN1305544C Distillation apparatus for readily polymerizable compound |
03/20/2007 | US7193110 Method for producing carboxylic acid |
03/20/2007 | US7193109 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
03/20/2007 | US7193096 Process for producing a conjugated di- or poly-unsaturated fatty acid of 12 to 24 carbon atoms or salt or ester thereof |
03/20/2007 | US7192982 Modulators of peroxisome proliferator activated receptors |
03/20/2007 | CA2300114C Method for the recovery of formic acid |
03/15/2007 | WO2007030452A2 Methods and apparatus for producing lower alkyl esters |
03/15/2007 | WO2007029929A1 Method of preparing organic acids from aldehyde compounds by means of liquid phase oxidation reaction |
03/15/2007 | WO2007028751A2 Neutralization method |
03/15/2007 | WO2007028747A1 Neutralization process |
03/15/2007 | WO2007028746A1 Neutralization method |
03/15/2007 | US20070060772 Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids |
03/15/2007 | US20070060763 Process for working up fatty compounds |
03/15/2007 | US20070060758 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 |
03/15/2007 | US20070060703 Method for producing (meth)acrylic acid derivative |
03/14/2007 | EP1761476A2 Method for preparing free-flowing crystalline material |