Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
04/2005
04/27/2005CN1198688C Formed catalyst
04/26/2005US6884909 Reacting 2-butanone with oxygen over a coated catalyst which is an inert nonporous support body and a catalytically active titanium, zirconium, tin and aluminum oxide coated with vanadium pentoxide
04/21/2005WO2005035478A2 Method for rectification separation of a liquid from an acrylic acid
04/21/2005WO2005035476A1 Recovery method for liquid chemical product in chemical product manufacturing apparatus
04/21/2005WO2005035474A1 Preparation of one intermediate for pyrethroids
04/21/2005WO2005035115A1 A catalyst for gaseous partial oxidation of propylene and method for preparing the same
04/21/2005US20050085678 Using mixed oxide catalyst
04/21/2005US20050085666 Crystallization of adipic acid from its solution in aqueous nitric acid
04/21/2005US20050085663 Process for producing pyromellitic acid
04/21/2005US20050085652 Trans configuration; reacting 3-methyl butyric acid with halvaleric acid; forming 8-methyl-6-nonynoic acid; reduction; activation; acylation
04/21/2005US20050085539 Method of reducing toxicity of retinoids
04/21/2005US20050084452 Deuterated hydrogen in protein, radioactive carbon or nitrogen; bioassay of accurate analyzing the structure of the target high molecular weight protein; producing stable isotope-labeled fumaric acid, tartaric acid through esterification, oxidation, hydrolysis; chemical peptide synthesis
04/21/2005US20050084432 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid
04/20/2005EP1523540A1 Engine oil comprising overbased salicylates based on styrenated salicylic acid
04/20/2005EP1523468A1 Preparations containing diformates and short-chain carboxylic acids
04/20/2005EP1204637B1 Process for the preparation of isotretinoin
04/20/2005EP1173400A4 Process for the preparation of 3,4-dihydroxybutanoic acid and derivatives thereof from substituted pentose sugars
04/20/2005CN1608074A P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
04/20/2005CN1608042A Process for producing trans-1, 4-cyclohexanedicarboxylic acid
04/20/2005CN1607980A Catalyst comprising cyclic acylurea compounds and processes for production organic compounds with the same
04/20/2005CN1607201A Method for the stereoselective synthesis of cyclic amino acids
04/20/2005CN1607032A Method for vapor phase catalytic oxidation
04/20/2005CN1607031A Method for vapor phase catalytic oxidation
04/20/2005CN1607030A Method for vapor phase catalytic oxidation
04/20/2005CN1197853C Method for producing maleic acid anhydride
04/20/2005CN1197839C Stibene derivative organic amine salt, its preparation method, use and medicinal composition
04/20/2005CN1197838C High purity monochloroacetic acid and preparing process thereof
04/19/2005US6881874 Process for the catalytic oxidation of hydrocarbons
04/19/2005US6881857 Tricyclic diterpene derivatives
04/19/2005US6881854 Conjugated unsaturated glyceride mixtures and a method for producing the same
04/19/2005US6881702 For gas phase oxidation; improved selectivity and life
04/14/2005WO2005033058A1 Method for producing high purity terephthalic acid
04/14/2005WO2005033057A1 Drying of adipic acid
04/14/2005WO2005032536A1 Drug containing (2r)-2-propyloctanoic acid as the active ingredient
04/14/2005WO2005011641A3 Improved stearate composition and method of production thereof
04/14/2005WO2005007606A3 A process for energy recovery in processes for the preparation of aromatic carboxylic acids
04/14/2005US20050080291 Contiuous direct synthesis from perfluoroolefins or ketones and carbonyl fluoride; haloacylation catalyst of CsF, RbF, KF, or AgF on porous support; improved selectivity and yield
04/14/2005US20050080289 Oxidation cleavage of cyclohexane compound; using oxidation catalyst in liquid phase
04/14/2005US20050080283 Pharmaceutical-grade ferric citrate
04/14/2005US20050077240 Rectificative separation of an acrylic acid-containing liquid
04/14/2005DE10344846A1 Gasphasenoxidationskatalysator mit definierter Vanadiumoxid-Teilchengrößenverteilung Gas-phase oxidation catalyst with defined vanadium oxide particle size distribution
04/14/2005DE10343097A1 Verfahren zur Herstellung von α-Alkoxy/Hydroxy-β-(p-hydroxyphenyl)-propionsäurederivaten Process for the preparation of α-alkoxy / hydroxy-β- -propionsäurederivaten (p-hydroxyphenyl)
04/14/2005DE10332574B3 Verfahren zur Herstellung von Triiodtrimesinsäure A process for preparing triiodotrimesic acid
04/14/2005CA2540670A1 Drug containing (2r)-2-propyloctanoic acid as the active ingredient
04/13/2005EP1522537A1 Production process for high purity tricyclo-[5. 2.1.0 2,6]decane-2-carboxylic acid ester
04/13/2005EP1521734A1 Method for the production of a dicarboxylic acid from acrylic acid
04/13/2005EP1521633A1 Method for preparing a catalyst for partial oxidation of acrolein
04/13/2005EP1521623A1 Method for the rectifying separation of fluids containing (meth)acryl monomers
04/13/2005CN1606541A Alkyl-capped alkoxylated esters and compositions comprising same
04/13/2005CN1606540A Synthesis and use of dimethyl 1, 5-naphthalenedicarboxylates and intermediates therefrom
04/13/2005CN1606468A Device and method for handling lase-of-polymerization substance, device for extracting liquid from device under reduced pressure, and method of manufacturing lase-of-polymerization substance
04/13/2005CN1605583A Process for removing tropina of 2-keto-L-guleonic acid fermentation liquid
04/13/2005CN1605582A Process for preparation of liquid metal carboxylate
04/13/2005CN1196675C Preparation of alum antimonate catalyst using tin dioxide hydrate
04/13/2005CN1196667C Method for producing propenoic acid
04/13/2005CN1196666C Process for preparation of fluorinated acyl fluorides and fluorinated vinyl ethers
04/13/2005CN1196528C Carbonylated catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer
04/13/2005CN1196525C Iridium and/or samarium promoted polymetallic oxide catalyst
04/12/2005US6878847 Vapor-phase oxidation of isobutylene, t-butanol or propylene; combination of mixed metal oxide containing molybdenum and bismuth as active ingredients and inorganic fibers
04/12/2005US6878842 Process for the enantioselective synthesis of propargyl alcohol derivatives of R configuration from the racemic mixtures thereof
04/12/2005US6878668 Process for manufacture of an attrition resistant catalyst
04/12/2005US6878239 Contacting a liquid containing a polymerization inhibitor with the compound directly in the vacuum section of a distillation system; especially for (meth)acrylic acid and (meth)acrylates
04/12/2005US6878183 Sublimation purifying method and apparatus
04/07/2005WO2005030973A1 Method of purifying succinic acid from fermentation liquid
04/07/2005WO2005030972A1 Process for producing 3-hydroxypropionaldehyde
04/07/2005WO2005030907A1 Radical interceptors as stabilizers of polymerizable compounds
04/07/2005WO2005030693A1 Process
04/07/2005WO2005030692A1 Gas phase oxidation catalyst with defined vanadium oxide particle size distribution
04/07/2005WO2005030393A1 Method for the production of annular-shaped super catalysts
04/07/2005WO2005014766A3 Metal ion exchanged solid materials as catalysts for the arylation and the skeletal isomerization of fatty acids and alkyl esters thereof
04/07/2005WO2005012217A3 Preparation of metal salts of medium-chain fatty acids
04/07/2005US20050075508 Method for crystallization of hydroxycarboxylic acids
04/07/2005US20050075338 5-(Substituted oxazolyl- or thiazolyl-ethoxy)indaneacetic acid derivatives, used in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases
04/07/2005DE10338529A1 Preparation of (meth)acrylic acid comprises heterogeneously catalyzed gas phase partial oxidizing of saturated hydrocarbon precursor compound(s) through charging catalyst bed that is disposed in reactor
04/07/2005DE10334132A1 Silber, Vanadium und ein Promotormetall enthaltendes Multimetalloxid und dessen Verwendung Silver, vanadium and a promoter metal as the active composition and its use
04/06/2005EP1520847A1 Solvent for extraction of acetic acid from aqueous streams and anaerobic microbial fermentation process for producing acetic acid
04/06/2005EP1519783A1 Catalytic oxidation reactor with enhanced heat exchanging system
04/06/2005EP1351917B1 Stabilised o-iodoxybenzoic acid compositions and preparation method
04/06/2005EP1246796B1 Process for the preparation of diphenyl ether compounds
04/06/2005EP1210313B1 Process for making an aromatic diacid in one step using a single catalyst system
04/06/2005CN1604887A Process for producing (meth)acrylic acid
04/06/2005CN1604818A Catalysts for producing carboxylic acid salts
04/06/2005CN1603298A Process for extracting lactic acid from fermentation liquid
04/06/2005CN1603297A Process for producing (meth)acrylic acid compound
04/06/2005CN1603296A Storage tank for easily polymerizable compound and method of storage
04/06/2005CN1603295A Process for preparing substituted glutaric anhydride
04/06/2005CN1195725C Selective hydrogenation for preparing hexabydrobenzoic acid from benzoic acid
04/06/2005CN1195724C Process for preparing acrylic acid
04/06/2005CN1195719C Process for preparation of pentaerythritol
04/05/2005US6875891 Process for preparing highly water soluble double salts of hydroxycitric acid particularly alkali and alkaline earth metal double salts
04/05/2005US6875885 Insecticides, miticides, nematocides
04/05/2005US6875780 Compounds that modulate PPAR activity and methods for their preparation
03/2005
03/31/2005WO2005028412A1 Method for the purification of crude diacerein by means of toluene
03/31/2005WO2005028410A1 Method for producing nitrile compound, carboxylic acid compound or carboxylate compound
03/31/2005WO2005028409A1 Alpha-hydroxy-benzeneacetic acid derivatives, and compounds having two 5-membered lactone rings fused to central cyclohexa-1,4-diene nucleus based upon the same, and uses of the compounds
03/31/2005WO2005028408A1 Process for reduction of carbon dioxide with organometallic complex
03/31/2005WO2005016852A3 Method for operating a continuous heterogeneously catalysed gas-phase partial oxidation of at least one organic compound
03/31/2005WO2005007607A3 Highly over-based light colored liquid alkaline earth metal carboxylate
03/31/2005WO2004048308A3 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester
03/31/2005US20050070750 Metathesis of unsaturated fatty acid esters or unsaturated fatty acids with lower olefins