Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/2004
06/10/2004WO2004048312A1 Phenolic antioxidants in crystalline form
06/10/2004WO2004048311A1 Method for production of alkyl esters
06/10/2004WO2004047990A1 Catalyst for the preparation of carboxylic esters and process for the preparation of carboxylic esters with the same
06/10/2004WO2004047982A1 Novel solid acid catalyst
06/10/2004WO2004047716A2 New method for the preparation of 1,5-bis(4-hydroxy-3-metoxy-phenyl)-penta-1,4-dien-3-one and derivatives with antitumoral properties
06/10/2004US20040110989 Method for the carbonylation of pentenoic acid and its derivatives thereof
06/10/2004US20040110974 esterifying an alpha-hydroxy acid or ester and transforming the alpha-acyloxy derivative into an alpha, beta-unsaturated derivative.
06/10/2004CA2507329A1 Method for production of alkyl esters
06/09/2004EP1425885A1 Method and system for transmitting data from a first data network into a second data network
06/09/2004EP1425287A1 Processes for preparing calcium salt forms of statins
06/09/2004EP1425260A2 Hydroxy-functional esters having terminal acrylate groups
06/09/2004EP1425256A1 Method for preparing unsaturated fatty hydroxy-acids and esters thereof, their use in pharmaceutical and/or cosmetic compositions
06/09/2004EP0971871B1 Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials
06/09/2004CN1503777A Method of deionizing solution yielded by polyester decomposition with ethylene glycol
06/09/2004CN1503776A Method of reaction with soluble metallic catalyst and anion-exchange resin method of recovering the soluble metallic catalyst and mehtod of recycling
06/09/2004CN1503775A Process for preparation of lower aliphatic carboxylic acid esters and lower aliphatic carboxylic acid esters prepared by same
06/09/2004CN1503694A Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols
06/09/2004CN1502601A Method for purifying hydroxyalkyl ester acrylate (methacrylate)
06/09/2004CN1152884C Production of optically active phospholanes
06/09/2004CN1152850C Process for making n-butyl esters from butadiene
06/08/2004US6747178 Flow path in which at least two miscible fluids react; one compound to be fluorinated and one a fluorinating agent; microreactor
06/08/2004US6747167 Reacting a sterically hindered phenol and acid halide (pcl3) in the presence of an amine, then further reacting with a cyclic acid acceptor (dbn, dbu, dmap or dabco) for at least a 98% conversion to the phosphite
06/08/2004US6747152 Catalytic compositions and methods for asymmetric allylic alkylation
06/08/2004CA2250046C Method for preparing acetic acid and/or methyl acetate by methyl formate isomerisation
06/08/2004CA2091002C Taxane derivatives, their preparation and use in oncology
06/03/2004WO2004046126A1 Manufacture of tocopheryl acetate
06/03/2004WO2004046080A1 Method of preparation of derivatives of substituted 2-aryl aikanoic acids
06/03/2004WO2004046078A1 Hydrogenation of benzene polycarboxylic acids or derivatives thereof
06/03/2004WO2004046076A2 Hydrogenation catalyst, preparation thereof and hydrogenation processes using this catalyst
06/03/2004WO2004046075A1 Solvent for crystallization containing cycloalkyl ether compound and method of crystallization with the solvent
06/03/2004WO2004045763A1 Porous aluminum fluoride
06/03/2004US20040106822 Fluid bed process for the acetoxylation of ethylene in the production of vinyl acetate
06/03/2004US20040106819 Glycerin Triester Plasticizer
06/03/2004US20040106813 Method for the esterification of a fatty acid
06/03/2004DE10254809A1 Verfahren zur Herstellung von Carotinoiden A method for producing carotenoids
06/03/2004CA2503519A1 Hydrogenation catalyst, preparation thereof and hydrogenation processes using this catalyst
06/02/2004EP1424322A1 Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents
06/02/2004EP1424321A1 Synthesis of optically active cyclohexylphenylglycolate esters
06/02/2004EP1424126A1 Photooxidation catalysts and process for preparation of aldehydes
06/02/2004EP1424115A1 Process for the esterification of a fatty acid
06/02/2004EP1423492A1 Method for producing conjugated fatty acid esters
06/02/2004CN1501906A Metathesis of unsaturated fatty acid esters or unsaturated fatty acids with lower olefins
06/02/2004CN1501905A Method for producing cyclohexane dicarboxylic acids and the derivatives thereof
06/02/2004CN1500772A Synthetic method of 4-acetoxy-2-ethoxy ethyl benzoate
06/02/2004CN1152035C Furylphosphines and organometallic complexes containing the same
06/02/2004CN1151877C Nickel calalyst with transition alumina as carriers
06/01/2004US6743942 Environmental safety; easy separation, regeneration and reuse
06/01/2004US6743931 Conjugated linoleic acid compositions
06/01/2004US6743927 Process for enantioselectively producing the (r)-delta-lactone
06/01/2004US6743922 3-substituent highly resistant to rotation-4-tertiary amino-pyridine
06/01/2004US6743916 Reacting an acetylene compound in the presence of a titanium compound and grignard reagent to obtain organotitanium compound
06/01/2004US6743914 Using tertiary amine catalyst
06/01/2004US6743911 Pentenenitrile reacted with carbon monoxide and water or alcohol in the presence of a source of group viii metal and a bidentate phosphine, arsine and/or stibine ligand to form cyanovaleric acid or ester
05/2004
05/27/2004WO2004043895A1 A process for the preparation of alkylidenecyclopentanone derivatives
05/27/2004WO2004011523A3 Novel phase change solvents
05/27/2004WO2003093396A3 Integrated process for preparing fischer-tropsch products and acetic acid from synthesis gas
05/27/2004US20040102649 Water soluble chiral diphoshpines
05/27/2004US20040102639 Preparation of isocoumarin derivatives and intermediates for the synthesis thereof
05/27/2004US20040102631 For use in combinatorial chemistry synthesis
05/27/2004US20040102338 Liquid intermediates; easy handling; lube oil detergents and dispersants; pour point depressants; paper surface sizing agents
05/27/2004DE10323373A1 Process for the production and processing of polymerizable compounds comprises treatment of the interfaces in the equipment with at least one polymerization inhibitor prior to construction
05/26/2004EP1422215A1 Process for producing optically active 2-substituted carboxylic acid
05/26/2004EP1421054A2 Process for the preparation of beta-ionylideneacetaldehyde
05/26/2004EP1421053A1 Process for the production of acetic acid c4-esters
05/26/2004EP1421052A1 Flexible method for the common production of formic acid, a carboxylic acid having at least two carbon atoms, and/or the derivatives of the same
05/26/2004EP1218320B1 Treatment of mixtures that contain at least one compound with at least one ethylenically unsaturated group
05/26/2004EP1206434B1 Vapor phase carbonylation process using promoted iridium catalyst
05/26/2004EP1141183B1 Method for the reesterification of fat and/or oil of biological origin by means of alcoholysis
05/26/2004EP1064255B1 A process for the manufacture of (2s,2'r,3'r)-2-(2,3-dicarboxylcyclopropyl)-glycine
05/26/2004CN1500323A Wireless clock synchronization
05/26/2004CN1500074A Process for prepn. of alkyl benzoylacrylates
05/26/2004CN1500008A Process for preparing group VIII-metal contg. catalyst, use thereof for preparing alkenyl carboxylate
05/26/2004CN1499763A Method and equipment for reaching synchronization to base station
05/26/2004CN1498914A Process for removing coloring substance from ethanediol decomposition generated solution of polyester
05/26/2004CN1498883A Technique for prepring 3,4,5-trihydroxybenzoic acid methyl ester
05/26/2004CN1151117C Phosgene process of synthesizing acetylsalicylate derivatives for medicine
05/26/2004CN1150992C catalyzer utilized to synthesize oxalate and its preparation method
05/25/2004US6740775 Purity; stability; dissolving pravastatin salt in lower alcohol; adding ethyl acetate and cooling
05/25/2004US6740773 Process for preparing cyclohexanedicarboxylic esters
05/25/2004US6740694 Materials handling; fluid flow
05/25/2004US6740254 Glycerin triester plasticizer
05/25/2004US6739720 Process for producing alicyclic (meth)allyi ester monomer, alicyclic (meth)allyl ester compound, production process of the compound, plastic lens composition containing the compound, plastic lens obtained by curing the composition, and production process of the plastic lens
05/25/2004CA2277171C Purification of polyol fatty acid polyesters using a mixing vessel with controlled mixing
05/21/2004WO2004042477A1 Chemically amplified polymer having pendant group with dicyclohexyl and resist composition comprising the same
05/21/2004WO2004042476A1 Chemically amplified polymer having pendant group with camphoryl and resist composition comprising the same
05/21/2004WO2004041770A1 Chemically amplified polymer having pendant group with cyclododecyl and resist composition comprising the same
05/21/2004WO2004041769A1 Method for the production of an ester
05/21/2004WO2004041757A1 Method of preparing novel fluorinated acrylic monomers
05/21/2004WO2003086605A3 Functionalized ionic liquids, and methods of use thereof
05/20/2004US20040097761 Catalysis by water-soluble organometallic complexes in water-in-densified fluid microemulsions
05/20/2004US20040097758 Halogen-fluorine exchange or addition of HF to a C-C multiple bond in with a fluorination agent in the presence of an HF adduct of a monocyclic or bicyclic amine containing at least two nitrogen atoms at least one of which in in the ring
05/20/2004US20040097745 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
05/20/2004US20040097724 Organometallic building materials and method for producing the same
05/20/2004US20040096211 Enantioselective reformatsky process for preparing optically active alcohols, amines and derivatives thereof
05/20/2004US20040095792 Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis
05/20/2004US20040094144 Employs piston(s) to adiabaticly compress vapor(s) introduced into cylinder(s) and attain supercritical and/or subcritical state(s) of fluid(s)
05/19/2004EP1419141A1 Stabilisation of ethylenically-unsaturated compounds with amidoximes
05/19/2004EP1419126A1 Fluorous nucleophilic substitution of alcohols and reagents for use therein
05/19/2004EP1419125A1 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids
05/19/2004EP1419008A1 Catalysts