Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/2003
08/06/2003CN1117058C Process for production of carboxylic acid
08/05/2003US6603042 Mixing acid halide and hydroxycarboxylic acid with maleic acid anhydride forming homogeneous solution having reduced tendency to discolor
08/05/2003US6603028 Catalyst comprising: a support material comprising titanium; and silver particles which have an average particle size of from about 0.3 to about 100 nm; with the proviso that the catalyst is produced by the impregnation method
08/05/2003US6602476 Apparatus and process for heat exchange with fluid beds
08/05/2003CA2418434A1 Processes for preparing 3.3-dimethylbutyric acid
07/2003
07/31/2003WO2003062369A2 Expansion of renewable stem cell populations
07/31/2003WO2003062179A1 Novel process for producing 1,2-diol
07/31/2003US20030144561 Catalyzing the halogenation reaction with hydrogen fluoride in the presece of a bulk catalyst comprising chromium oxide and other oxides selecting from barium, bismuth, calcium, cerium and zirconium; synthesis of trifluoroacetyl chloride
07/31/2003US20030144555 Recycling and purifying the oxidation catalyst from one-step processes, by cooling, mixing with water to cause phase separation, ion exchanging the less polar phase; oxidizing cyclohexane to form adipic acid
07/31/2003US20030144551 Methods of making intermediates from polyhydroxyalkanoates
07/31/2003US20030144550 Polyoxometallate catalysts and catalytic processes
07/31/2003US20030144549 Process for the production of carboxylic acids
07/31/2003US20030144548 Process control in production of acetic acid via use of heavy phase density measurement
07/31/2003US20030144546 Process for producing optically active carboxylic acid subtituted in 2-position
07/31/2003US20030144523 Epothilone derivatives, method for producing same and their pharmaceutical use
07/31/2003US20030144137 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation
07/31/2003US20030143659 Microbial biomass is granulated by extrusion and then dried to a dry matter content of atleast 80%, gives higher yields on extraction of the compound
07/31/2003CA2474344A1 Expansion of renewable stem cell populations
07/30/2003EP1331032A2 Process for the immobilisation of a homogeneous catalyst, and catalytic material
07/30/2003EP1330534A1 Method for obtaining 12-hydroxystearic acid
07/30/2003EP1330464A2 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation
07/30/2003EP1330309A1 Catalyst system and method for carbonylation
07/30/2003EP1330246A1 Use of hydroxyeicosatetraenoic acid derivatives in intraocular surgery
07/30/2003EP1189885B1 Process for the synthesis of a-nor-seco compounds with sterane skeleton
07/30/2003EP0986532B1 Method for purifying lactic acid
07/30/2003EP0819098B1 Process for the production of cesium compounds
07/30/2003CN1433393A New process
07/30/2003CN1432554A Carboxylic acid preparing process
07/30/2003CN1116269C Pentenoic acid hydroxycarbonylation method
07/29/2003US6600070 Chemical intermediates for large cyclic lactone-based perfumes, formed by condensation reaction of gamma-butyrolactone with a dicarboxylate ester
07/29/2003US6599867 Overbased detergent additives
07/29/2003US6599397 Method for preventing polymerization of (meth)acrylic acid and esters thereof and method for the production thereof
07/29/2003CA2102530C Therapeutic agent
07/29/2003CA2059449C Process for the synthesis of citroconimides
07/24/2003WO2003060852A2 Catalytic osmium-assisted oxidative cleavage of olefins
07/24/2003WO2003059869A1 Process for producing 2-aralkylpropionic acid derivative
07/24/2003WO2003059865A1 Processes for the preparation of glutamic acid compounds and intermediates thereof and novel intermediates used in the processes
07/24/2003WO2003059863A1 Process for puriying an organic acid
07/24/2003WO2003059862A1 Process for producing high-purity (meth)acrylic acid
07/24/2003WO2003059861A1 Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives
07/24/2003WO2003059860A2 Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream
07/24/2003WO2003059857A1 Multipipe reactor, vapor phase catalytic oxidation method using multipipe reactor, and start-up method applied to multipipe reactor
07/24/2003WO2003059856A2 Method for the oxidation of unsaturated hydrocarbons
07/24/2003WO2003059510A2 Manganese(iv) complex salts and their use as oxidation catalysts
07/24/2003US20030139625 Hydrolysis, enantioselective hydrogenation in presence of a hydrogenation catalyst metal complexes
07/24/2003US20030139594 Catalytic process for the modification of carbohydrates, alcohols, aldehydes or polyhydroxy compounds
07/24/2003US20030139474 Process
07/24/2003US20030139418 Substituted aryl and heteroaryl compounds as E-type prostaglandin antagonists
07/24/2003US20030139283 Zeolite crystals
07/24/2003CA2470978A1 Process for purifying an organic acid
07/23/2003EP1328499A2 Method of producing carboxylic acid salts
07/23/2003EP1328498A1 Method for the catalytic decomposition of lactones
07/23/2003EP1127042B1 Method for preparing acetic acid and/or methyl acetate in the presence of iridium and platinum
07/23/2003EP1119541B1 Aromatic acid monomers, polymers, products and processes for their manufacture
07/23/2003CN1431991A Method for discontiuous purification of crude acrylic acid by means of crystallization
07/23/2003CN1431990A Process for prepn. of bromoisophthalic acid compounds
07/23/2003CN1431989A Method for isolating polymethyl alkanoic acids and for disposal of resulting wastes
07/23/2003CN1431931A Catalytic compsn. for carbonylation including iridium and pyridine polymers
07/23/2003CN1431188A Method for preparing sea squirt fatty acids and methyl ester, ethyl ester, triglyceride and its preparing method as well as application infunctional food and drugs
07/23/2003CN1431187A Kaurane type diterpene compound and its preparing method as well as application in anticancer drugs
07/23/2003CN1431185A Method for preparing extractive of unsaturated fatty acid possessing function of lowering fat from camellia seeds
07/23/2003CN1115321C Prodn. of pyromellitic acid
07/23/2003CN1115320C Process for synthesizing ketoibuprofen
07/22/2003US6596901 Method for purifying acrylic acid and methacrylic acid
07/22/2003US6596781 Integrated process for preparing Fischer-Tropsch products and acetic acid from synthesis gas
07/22/2003US6596129 Distillation process for easily polymerizable substance-containing solution
07/17/2003WO2003057658A1 Method of preventing clogging of apparatus for handling (meth)acrylic acid and ester thereof
07/17/2003WO2003057657A1 Method for producing acrylic acid
07/17/2003WO2003057656A1 Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
07/17/2003WO2003057653A1 Method for vapor phase catalytic oxidation
07/17/2003WO2003057366A1 Method for preparing catalyst for synthesis of unsaturated aldehyde and unsaturated carboxylic acid, catalyst prepared by the method, and method for synthesis of unsaturated aldehyde and unsaturated carboxylic acid using the catalyst
07/17/2003WO2003033140A3 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts
07/17/2003US20030135073 Non-hazardous oxidative neutralization of aldehydes
07/17/2003US20030135071 Catalyst containing mixed oxides of Mo, V, Nb, Ag and optionally other metals or phosphorus; especially for making (meth)acrylonitrile
07/17/2003US20030135070 Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream
07/17/2003US20030135067 Method for producing a fluorine-containing compound
07/17/2003US20030135064 Treating a calcined mixed oxide catalyst with H2, alcohol or a nitrogen oxide; one step oxidation of alkanes to product unsaturated carboxy acids or unsaturated nitriles
07/17/2003US20030134397 Culturing a coryneform bacterium which has been modified to increase intracellular pyruvate carboxylase activity and L-glutamic acid producing ability in a medium to produce and accumulate L-glutamic acid in culture
07/16/2003EP1327621A1 Dry powder lithium carboxylates
07/16/2003EP1326840A2 Substituted heterocyclic compounds for treating multidrug resistance
07/16/2003EP1326834A2 2-substituted heterocyclic compounds
07/16/2003EP1326833A2 Substituted heterocyclic compounds for treating multidrug resistance
07/16/2003EP1326823A1 Method and apparatus for sequestering entrained and volatile catalyst species in a carbonylation process
07/16/2003CN1430594A Method for controlling particle size in crystallization of dimethylol alkanoic acids
07/16/2003CN1430593A Method for oxidising hydrocarbons into acids
07/16/2003CN1429805A Method for synthesizing conjugated linoleic acid using mixed solvent
07/16/2003CN1429804A Method for preparing sorbic acid
07/16/2003CN1114588C Method of reducing vibration and fault of vertical centrifuge in production of terephthalic acid
07/16/2003CN1114587C Solid calcium lactate producing process from calcium lactate solution
07/16/2003CN1114586C Process for producing acetic anhybride and acetic acid
07/16/2003CN1114500C Production of aromatic carboxylic acids and recovery of Co/Mn catalyst fromash
07/15/2003US6593495 Anhydride stabilization
07/15/2003US6593494 Oxidizing aldehyde as substrate to corresponding acid in presence of periodate, catalytic amounts of dichromate or CrO3, and in presence of acid in water, water/solvent mixture or in a solvent
07/15/2003US6593486 Reacting halobenzoic acid with 2,2,2-trifluoroethanol; thenhaloacetonitrile
07/15/2003US6593345 Naphthyl compounds, intermediates, compositions, and methods of use
07/10/2003WO2003055838A1 Integrated process for the manufacture of alkenyl carboxylates
07/10/2003WO2003055835A1 Process for vapor-phase catalytic oxidation and process for production of (meth)acrolein or (meth)acrylic acid
07/10/2003WO2003055600A1 Catalysts comprising cyclic acylurea compounds and processes for production of organic compounds with the same
07/10/2003WO2003055599A1 Catalyst supported on carbon having macroporosity for purification of aromatic acids
07/10/2003WO2001098248A3 Hiv integrase inhibitors