Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/2002
12/24/2002US6498256 Catalysts for asymmetric addition reactions, for example of hydrogen, to prochiral unsaturated organic compounds.
12/20/2002WO2001098254A1 Method for preparing amino alkyl(meth)acrylates
12/20/2002CA2413411A1 Method for preparing amino alkyl(meth)acrylates
12/19/2002WO2002100854A1 Lactone formulations and method of use
12/19/2002WO2002100816A1 Process for producing 2-alkyl-2-adamantyl (meth)acrylate
12/19/2002WO2002100815A1 Method for producing (meth)acrylic acid esters
12/19/2002WO2002100814A1 Method for producing (meth)acrylic acid esters
12/19/2002WO2002100323A2 METHYL ANALOGS OF SIMVASTATIN AS NOVEL HMG-CoA REDUCTASE INHIBITORS
12/19/2002WO2002100192A1 Taste modifiers comprising a chlorogenic acid
12/19/2002WO2002060852A3 Process for the preparation of alkyl lactates
12/19/2002WO2002042248A3 Naphthalene derivatives
12/19/2002US20020193624 Reacting a carboxylic ester with an alkylene oxide in the presence of a multimetal cyanide compound; concrete fluidizers
12/19/2002US20020193623 Process for the manufacture of 2-ethylhexyl acrylate
12/19/2002US20020193482 Useful for the preparation of a heat-sensitive tacky adhesive having excellent adhesive strength and blocking resistance; solid plasticizer
12/19/2002US20020193347 Using an optically active N-substituted chiral derivative of norephedrine as ligand for enantioselective reduction of unsaturated compounds carrying functional groups by a hydrogen transfer method
12/19/2002US20020192132 Sulfur-bearing residue treatment system
12/19/2002US20020189927 Isolation of a treating fluid or chemical treatment from a treatment column and taking out a formed product by liquefication after evaporation
12/19/2002DE10129287A1 Preparation of alkylpolyalkylene glycol carboxylic acid esters by reaction of carboxylic acid ester with alkylene oxide using multicyanide catalyst useful as raw material for liquefied concrete
12/19/2002DE10128306A1 Preparing mixed phthalate esters of decanol and tridecanol, useful as plasticizers, particularly for polyvinyl chloride
12/19/2002CA2450617A1 Methyl analogs of simvastatin as novel hmg-coa reductase inhibitors
12/19/2002CA2446194A1 Taste modifiers comprising a chlorogenic acid
12/18/2002EP1266882A1 Process for the preparation of cyclohexanedicarboxylic acid esters
12/18/2002EP1266685A1 A method for preventing an easily polymerizable substance from polymerizing and a method for producing (meth)acrylic acid or an ester thereof
12/18/2002EP1266679A1 Improved sulfur-bearing residue treatment system
12/18/2002EP1265843A2 Mixtures of semi-esters of polybasic organic acids and long-chain alkanols, the production and the use thereof
12/18/2002EP1265841A2 Process for the preparation of sodium salts of statins
12/18/2002EP1265604A1 Process for recovering statin compounds from a fermentation broth
12/18/2002EP1265591A2 Emollient for cuticle treatment and delivery system therefore
12/18/2002EP1053221B1 Lipid mixtures and their use
12/18/2002CN1386117A Bis (cis-3,3,5-trimethylcyclohexyl) phthalate, process for producing the same, and thermoplastic resin composition
12/18/2002CN1385414A Method for preparing unsaturated carboxylic ester
12/18/2002CN1385244A Preparation and use of palladium catalyst for cross-coupling reaction
12/18/2002CN1096573C Method for transmitting easy polymerized material
12/18/2002CN1096443C Process for manufacture of sec-butyl acrylate by reaction of acrylic acid and bytene isomers
12/18/2002CA2389772A1 Process for the preparation of bromodifluoroacetic compounds
12/17/2002US6495712 Process for production of carboxylic acid aryl esters
12/17/2002US6495710 Synthesis and use of dimethyl 1,5-naphthalenedicarboxlyates and intermediates therefrom
12/17/2002US6495706 Process for producing hydroxycarboxylic acid ester
12/17/2002US6495045 Solid substance removing device
12/13/2002WO2002000595A1 Intermediate and process for producing fluorinated carboxylic acid derivative from the same
12/13/2002CA2412587A1 Intermediate and process for producing fluorinated carboxylic acid derivative from the same
12/12/2002WO2002098854A2 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors
12/12/2002WO2002098837A1 Process for preparing alkylidene substituted succinic acid esters
12/12/2002WO2002098826A2 Solid phase extraction method for isolating unsaturated compounds
12/12/2002WO2002098558A1 Catalyst for carboxylic ester production and process for producing carboxylic ester
12/12/2002US20020188153 Apparatus and process for the high yield production of methyl methacrylate or methacrylic acid
12/12/2002US20020188152 Palladium-gold on a silica support , by impregnating with aqueous solutions of palladium and gold compounds, precipitating water insoluble compounds and reducing with ethylene or hydrogen, impregnating with potassium alkanoate
12/12/2002US20020188151 Decomposing methyl t-butyl ether to obtain an isobutylene and a methanol, oxidizing isobutylene to obtain a compound selected from methacrylic acid and methacrolein, esterifying the intermediate with methanol to form methyl methacrylate
12/12/2002US20020188147 Reacting an acid with a base in a solvent which contains 1-methyl-2-pyrrolidinone replacing pyridine solvent which is a challenge for disposal and safe handling
12/12/2002US20020188130 Alpha, alpha-dibromo-alpha-chloro-acetophenones as synthons
12/12/2002US20020188121 Novel olefination process to itaconate and succinate derivatives
12/12/2002US20020187531 Process for recovering statin compounds from a fermentation broth
12/12/2002DE10224937A1 Separation of highly unsaturated compounds, e.g. essential polyunsaturated fatty acids, from liquid mixtures, e.g. oils, by selective complexation on silver ion-charged acidic cation exchanger
12/12/2002CA2449813A1 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors
12/11/2002EP1264822A2 Stabiliser modification
12/11/2002EP1264819A1 Process for inhibiting polymerization of a vinyl compound
12/11/2002EP1263735A1 Acid addition salts of imidazolidinones as reaction catalysts
12/11/2002EP1263709A2 Process for the carbonylation of ethylenically unsaturated compounds
12/11/2002EP1263708A1 Production of esters
12/11/2002EP0719246B2 Synthesis of vinyl esters
12/11/2002CN1384815A Process for preparation of alkanoyloxy benzesulfonic acids and salts thereof
12/11/2002CN1384105A Asymmetric copper compound and cyclopropanation reaction with it
12/11/2002CN1384093A Preparation processo f methyl methacrylate
12/11/2002CN1384092A Improved 2-ethyl hexyl acrylate producing process
12/11/2002CN1384091A Clean method of esterifying halide
12/11/2002CN1095827C Esterification of (meth) acrylic acid with alkanol
12/11/2002CN1095826C Exterification of (meth) acrylic acid with alkanol
12/11/2002CN1095825C Process for preparation of alkyl halodifluoroacetates
12/11/2002CN1095823C Process for synthesizing acyl chloride
12/10/2002US6492546 Process for preparing unsaturated carboxylic esters
12/10/2002US6492545 Process for producing optically active alcohol
12/10/2002US6492542 Method for producing carboxylic acid tertiary alkyl ester
12/10/2002US6492534 Process and intermediate compounds for the preparation of pyrrolidines
12/10/2002US6492299 Impregnating catalyst support with such as palladium acetate, reducing to metallic palladium and sintering; decreased initial activity and longer useful life; esterification of ethylene and acetic acid in presence of oxygen
12/10/2002US6491795 Process for recovering benzyl benzoate
12/10/2002CA2036360C Reagents and methods for stereospecific fluoromethylation
12/05/2002WO2002098156A1 A method for enabling a subscriber entity to actively communicate in a communication network
12/05/2002WO2002096849A1 Method for producing aromatic aldehydes and ketones by the catalytic oxidation of alkyl-aromatic compounds
12/05/2002WO2002096846A1 Uncatalysed addition reactions
12/05/2002WO2002096550A1 Methods for solubilizing and recovering fluorinated compounds
12/05/2002WO2002067847A3 Process for the preparation of alkyl benzoylacrylates
12/05/2002US20020183545 Esterification of acetic acid with butanol or isobutanol in the presence of a solid acidic catalyst; distillation separation runs simultaneously
12/05/2002US20020183544 Continuous process for tertiary butyl esters
12/05/2002US20020183542 Process for the manufacture of 2-ethylhexyl acrylate
12/05/2002US20020183535 Metal catalysts and methods for making and using same
12/05/2002US20020183516 Cross-coupling reaction of organosilicon nucleophiles
12/05/2002US20020183512 Compounds for use in treatment of cancer
12/05/2002DE10129129C1 Production of cyclohexanedicarboxylic ester, used as plasticizer or intermediate in industrial organic chemistry, involves hydrogenating benzenedicarboxylic ester over nickel catalyst after synthesis, neutralization and drying
12/04/2002EP1261657A2 Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof
12/04/2002EP1027343B1 Process for the preparation of hydroxy substituted gamma butyrolactones
12/04/2002EP1003707B1 Malonic acid and esters thereof
12/04/2002CN1382677A Preparing method for 3-e Menthyloxy -1,2-propanediol
12/04/2002CN1382671A Process for preparing ester from acetic acid and chlorine gas by cyanation in advance
12/04/2002CN1095459C Esterified substance, its prepn. process and its application in preparing synergist of agricultural chemicals
12/03/2002US6489506 Using a high molar ratio of ethylene to carbon monoxide in the gas in contact with the liquid phase to improve activity and life of the catalyst
12/03/2002US6489505 Process for producing 3,3-dimethyl-2-formylcyclopropane-carboxylic acid ester
12/03/2002US6489496 Transesterification process
11/2002
11/28/2002WO2002094761A1 Stereoselective synthesis of 2-hydroxy-4-phenylbutyric acid esters
11/28/2002WO2002094755A1 Catalytic system for aldol reactions
11/28/2002WO2002094748A1 Impurity inhibition in olefin metathesis reactions