Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
01/2005
01/18/2005US6844463 Method for the carbonylation of pentenoic acid and its derivatives thereof
01/18/2005US6844462 Biphenydiols
01/18/2005US6844447 Chemical intermediates can be used as solvents (e.g., coalescing solvents, cleaning solvents), process additives, plasticizers, surface active agents, in the formulation of products (e.g., industrial products, consumer products),
01/13/2005WO2005003077A1 Method for producing difluoro-acetyl-acetic acid alkylesters
01/13/2005US20050010068 Use of microencapsulated transition metal reagents for reactions in supercritical fluids
01/13/2005US20050010065 Reacting (meth)acrylic acid with polyol in presence acid catalyst and polymerization inhibitor
01/13/2005US20050010064 Purification of acid catalyst; flotation separation; centrifuging; coalescence; steam stripping
01/13/2005US20050010062 E2,e4,z8-undecatrienoic acid and ester and carboxamide derivatives thereof, organoleptic uses thereof and processes for preparing same
01/13/2005US20050010060 Novel quinones as disease therapies
01/13/2005US20050010049 Metal catalysts and methods for making and using same
01/13/2005US20050009924 1,4-, 1,5- and 1,8-difunctionalized anthraquinones, useful for treating abnormal proliferation including cancer, for enhancing an anti-oxidation effect, human telomerase activity, and tissue engineering application, and for stem cell research
01/13/2005US20050008586 Reacting 2-phenylethyl alcohol with acid; for cosmetics, sunscreen agents, agriculture products
01/13/2005DE10328715A1 Verfahren zur kontinuierlichen Herstellung einer Verbindung, die mindestens zwei funktionelle Gruppen trägt A process for the continuous production of a compound carrying at least two functional groups
01/13/2005DE10328714A1 Verfahren zur Abtrennung eines Rhodium enthaltenden Homogenkatalysators A process for separating a rhodium-containing homogeneous catalyst
01/12/2005EP1496042A2 E2, E4,Z8-Undecatrienoic acid and ester and carboxamide derivatives thereof, organoleptic uses thereof and processes for preparing same
01/12/2005EP1495099A1 Method and system for the esterification of fatty acids
01/12/2005EP1494991A1 Analogous compounds of strobilurines and their use as acaricides and insecticides
01/12/2005EP1494983A1 Oligomerization of olefins
01/12/2005EP1342695B1 Microporous crystalline material (itq-15), method for the preparation thereof and its use in processes for separating and transforming organic compounds
01/12/2005EP1180107A4 Novel ruthenium metal alkylidene complexes coordinated with triazolylidene ligands that exhibit high olefin metathesis activity
01/12/2005EP1171411B1 Process for the preparation of a diol
01/12/2005EP1149065B1 Method for the production of esters
01/12/2005CN1564825A 二膦 Diphosphonic
01/12/2005CN1564824A Ligands for asymmetric reactions
01/12/2005CN1564803A Hydroxy-functional esters having terminal acrylate-functional groups
01/12/2005CN1564802A Method of making oleochemical oil-based polyols
01/12/2005CN1564801A Method for producing a hydroxyacid esters
01/12/2005CN1564798A Process for producing (meth)acrylic acids and process for distilling the same
01/12/2005CN1562953A method for synthesizing methyl phenyl oxalate and phenostal under catalysis of oxide of bimetal
01/12/2005CN1562952A Method for catalyzer synthesizing methyl-phenyl-oxalate and phenostal
01/12/2005CN1562951A Method for synthesizing methyl ester carboxylic acid from olefin by using nano cobalt as catalyzer under acceleration of light
01/12/2005CN1562950A Method of alkane halide carbonylation reaction under photic acceleration and catalysis of non noble metal
01/12/2005CN1184216C Process for production of 5-oxy-7-oxabicyclo-[4.1.0]hept-3-ENE-3-carboxylic acid esters
01/12/2005CN1184189C Process for synthesizing 2-(4-hydroxylphenoxyl) butyl propionate
01/12/2005CN1184188C Method of purifying lactic acid esters
01/12/2005CN1184187C Gas phase catalytic esterification process for synthesizing butyl acetate
01/11/2005US6841667 Nucleophilic kinetic resolution of cyclic substrates using silyl azides
01/11/2005CA2189128C Process for preparing intermediates for the synthesis of antifungal agents
01/06/2005WO2005000929A2 Method for making a polyether monomer
01/06/2005WO2005000782A1 Process for production of esters through trans- esterification
01/06/2005US20050004390 Method for recycling pet bottle
01/06/2005US20050004378 woody or amber odor; hydrogentation, reduction; cosmetic and care products
01/06/2005US20050004337 Process for producing a polyfluoroalkyl (meth) acrylate
01/06/2005US20050004215 Dihydroxy open acid form; solubility, bioavailability
01/06/2005US20050003499 Using microfiltration to remove cellular debris and isolate statins form mycelial fermentation broth; anticholesteriol agents for treatment and prevention of cardiovascular diseases
01/05/2005EP1493796A1 Functional thin film
01/05/2005EP1493729A1 Process for manufacturing high purity methacrylic acid
01/05/2005EP1493728A1 Process for manufacturing high purity methacrylic acid
01/05/2005EP1492745A2 Process for making organic products or non-product streams using phase transfer catalysis
01/05/2005EP1492603A2 Methods for controlling crystal growth, crystallization, structures and phases in materials and systems
01/05/2005DE10326915A1 New substances useful as catalysts for asymmetric reactions comprise a metal complex with an enantiomer-enriched chiral bidentate diamine ligand adsorbed on a micro-, meso- or macroporous support
01/05/2005CN1561324A Method for purifying (meth)acrylic ester
01/05/2005CN1561323A Process for separating sec-butanol from ethyl acetate
01/05/2005CN1561031A Interconnected network web information issuing method
01/05/2005CN1560022A Process of producing p-benzene dicarbonic acid bi(diglycol acrylate)
01/05/2005CN1560021A Process of preparaing methyl acrylate by waste organic glass and apparatus thereof
01/05/2005CN1560020A Preparation process of diglyceride
01/05/2005CN1560019A Preparation process of mixture ester as foamer
01/05/2005CN1183124C Method for direct esterification of sorbitol with fatty acids
01/05/2005CN1183095C Preparation method of cyclopropane carboxylic acid ester
01/05/2005CN1183094C Method for stabilizing N-oxyl compound in vinyl compound
01/05/2005CN1183093C Method for catalytically heterogeneous reaction, particularly carboxylic V reaction
01/05/2005CN1183092C Intermediates and process for producing fluorine-contg. amino acid compound by using same
01/05/2005CN1183090C Method for preparation of cyclopropyl acrylic derivative
01/05/2005CN1183083C Process for producing (methyl) propenoic acid and/or (methyl) acrylate
01/05/2005CN1183081C Preparation of 1,4-butanediol
01/05/2005CN1183079C Iridium catalyst for carbonylation of lower aliphatic alcohols
01/05/2005CN1183061C Preparing substituted olefine
01/05/2005CN1182915C Chiral copper complex catalyst copmosition and method for asymmetrical preparation
01/05/2005CN1182901C Purification method and tower, and liquid separating tower tray therefor
01/04/2005US6838576 Process for preparing functional group-containing olefinic compounds
01/04/2005US6838575 Catalytic system for aldol reactions
01/04/2005US6838515 Reacting (meth)acrylic acid with mono- or polyhydric alcohols in thre presence of an acidic catalyst that is neutralized
01/04/2005US6838481 Blocking melanin biosynthesis; side effect reduction
01/04/2005CA2218134C The preparation of carboxylic acid derivatives
01/04/2005CA2141543C Process for preparing soft centers in food products
12/2004
12/30/2004US20040267053 Process for producing fluorinated ketone
12/30/2004US20040267050 Multistage distillation
12/30/2004US20040267046 Reacting glycidoxypropyl heptamethyltrisiloxane with methacrylic acid, anhydride or alkali salt thereof and using a polymerization inhibitor to form 3-(2,3-bis(methacryloyloxypropoxy))propyl heptamethyltrisiloxane; use of polymer in contact lenses
12/30/2004US20040267045 Processes for producing (meth)acrylic acid compound
12/30/2004US20040267034 Hydrogenation process
12/30/2004US20040266872 Therapeutic compositions
12/30/2004US20040265248 Biphenylene compounds
12/30/2004US20040261851 Storage tank for easily polymerizable compound and method of storage
12/29/2004WO2004113265A1 Flame retardant polymers
12/29/2004WO2004113263A1 Method for the continuous production of a compound that carries at least two functional groups
12/29/2004WO2004113262A2 Integrated process to produce derivatives of butadiene addition products
12/29/2004WO2004113261A1 Method for isolating a homogeneous catalyst containing rhodium
12/29/2004WO2004112690A2 2-aminobenzoyl derivatives
12/29/2004WO2003031386A9 Method for producing a hydroxyacid esters
12/29/2004EP1491522A1 Microbial process for preparing pravastatin
12/29/2004EP1490457A1 Preparation of levulinic acid esters and formic acid esters from biomass and olefins
12/29/2004EP1490379A1 Bisphosphines as bidentate ligands
12/29/2004EP1490322A1 Method for producing 2,2-dichloro or dibromo-phenyl alkyl acetates
12/29/2004EP1490321A1 Process for making butenyl esters from butadiene
12/29/2004EP1490319A2 Method for producing 3-hydroxy-2-methylbenzoic acid
12/29/2004EP1490171A1 Fatty acid isomerization with mesoporous zeolites
12/29/2004EP1328506B1 Intermediates for use in retinoid synthesis
12/29/2004EP1171212B1 Solvent extraction process
12/29/2004EP0994834A4 Ligated platinum group metal catalyst complex and improved process for catalytically converting alkanes to esters and derivatives thereof