Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
01/1996
01/17/1996EP0537313B1 Arylalkyl esters of 4,5-dihydroxy-9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid having therapeutical activity
01/17/1996CN1114917A Catalyzer and carrier for synthetic unsaturated acid ester
01/17/1996CN1030702C 芪衍生物 Stilbene derivatives
01/14/1996CA2153759A1 1,2,3-oxathiazin-4(3f)-one 2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agents
01/11/1996WO1996000768A1 Unsaturated fatty substances with improved cold behaviour
01/11/1996WO1996000712A1 A method for the preparation of a novel a-ring precursor for taxoids and novel intermediates
01/11/1996DE4424294A1 Prodn. of poly:ene-carbonyl cpds. with high all-E content
01/11/1996DE4423089A1 Economically viable process for working up used mineral and bio lubricating oils
01/11/1996DE4421788A1 Preparation of ester end=capped polyoxyalkylene ether
01/11/1996DE19523747A1 Prepn. of ion exchange resin moulding as catalyst for reactive distn.
01/10/1996EP0691358A1 Process for the preparation of epoxy (meth)acrylates modified by amines
01/10/1996EP0691325A1 Asymmetric hydrogenation of ketoisophorone derivatives
01/10/1996EP0691324A1 Process for the preparation of dialkyl esters of maleic acid
01/09/1996US5482596 Mixed ligand catalyst for preparing aryl-substituted aliphatic carboxylic esters
01/09/1996US5482523 Mannich condensation products of poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same
01/04/1996WO1996000207A1 Cyclohexanone derivatives, method of preparing them and intermediates used in the method
01/04/1996WO1996000206A1 Method for preparing (+)-(1r)-cis-3-oxo-2-pentyl-1-cyclopentaneacetic acid
01/04/1996CA2193624A1 Cyclohexanone derivatives, method of preparing them and intermediates used in the method
01/03/1996EP0690046A1 Method of preparation of biphenyls using palladacyclen as catalyst
01/03/1996EP0690041A1 Process for the preparation of diacethyl free methylmethalcrylate
01/03/1996EP0689556A1 Polyol for an isocyanate casting resin and coatings
01/03/1996EP0689529A1 Process for the carbonylation of acetylenically unsaturated compounds
01/03/1996CN1114307A Catalyst for cyclopropanization reaction of tetramethyl ethylene
01/03/1996CN1114305A Rectifying process for preparing ethyl lactate
01/03/1996CN1114304A Continuous post-treatment process and equipment for synthesizing ester compounds with high boiling points
01/02/1996US5481032 Oxidation of benzophenone with peroxide compound
01/02/1996US5481029 Process for preparation of ketones
01/02/1996US5481024 Process for the preparation of monomeric terephthalic diesters and diols from polyesters
01/02/1996US5481023 Ester interchange, aluminum alkoxide catalyst
01/02/1996US5481013 Carboxylic acid derivatives
01/02/1996CA1337869C Transvinylation reaction
12/1995
12/28/1995WO1995035329A1 Derivatives of polyamines with one primary amine group and secondary or tertiary amines groups
12/28/1995WO1995035325A1 Continuous process for production of functionalized olefins
12/28/1995WO1995035324A1 Batch koch carbonylation process
12/28/1995WO1995035274A1 Method for the manufacture of halogenoalcanols
12/28/1995CA2190654A1 Continuous process for production of functionalized olefins
12/28/1995CA2189689A1 Batch koch carbonylation process
12/28/1995CA2189071A1 Derivatives of polyamines with one primary amine group and secondary or tertiary amines groups
12/27/1995EP0688757A1 Process for the preparation of aromatic olefines by catalysis of palladacycles
12/27/1995EP0688756A1 Inhibition of dioxane formation during recovery of glycols from polyester resins
12/27/1995EP0688753A1 Fluorinated aromatic compound
12/27/1995EP0688322A1 Oxidation of ketones
12/27/1995EP0688243A1 Pretreatment of palladium-gold catalysts useful in vinyl acetate synthesis
12/27/1995EP0550611B1 Process for the production of di-trimethylolpropane
12/26/1995US5478964 N-fluorosulfonimides and their application as fluorinating agents
12/26/1995US5478875 Reaction product of glycols or alcohols with vegetable oil and aromatic alcohol ester derivative; used in lubricants and polymers
12/26/1995CA1337839C Synthesis of peptide amides by means of a solid phase method using acid-labile anchoring groups
12/26/1995CA1337819C Preparation of 1,1-disubstituted ethylene compounds
12/21/1995WO1995034528A1 Polyolpolyhydroxystearates
12/21/1995WO1995034527A1 Fatty acid ester of etherified polyhydric alcohol
12/21/1995WO1995034526A1 METHOD OF PREPARING α-METHOXYIMINOCARBOXYLIC ACID METHYLAMIDES, AND INTERMEDIATES USED IN THE METHOD
12/20/1995EP0687665A1 Process for preparing 2,2-dichloro-malonic acid esters
12/20/1995EP0687664A1 Process for the production of alkyle acrylates by direct esterification
12/20/1995EP0687145A1 Production of fat mixtures enriched with triglycerides bearing short, medium and long residues
12/20/1995CN1030527C Preparation of 2,2,3,3-tetramethyl cyclopropylcarboxylic acid
12/19/1995US5476963 Supported catalyst, process for its preparation and its use for the preparation of vinyl acetate
12/19/1995US5476956 Process for codimerization of dienes and olefins
12/19/1995US5476919 Process for esterification
12/19/1995CA2077542C Chiral catalysts for enantioselective synthesis
12/19/1995CA1337762C Process for preparing 4-demethoxydaunomycinone
12/14/1995WO1995033707A1 Process for producing 4-oxo-2-alkenoic ester
12/14/1995WO1995033705A1 A method for controlling plasticizer conversion using near infrared analysis
12/14/1995DE4420516A1 Polyolpolyhydroxystearate Polyolpolyhydroxystearates
12/14/1995DE4420263A1 2,2-di:chloro:malonic di:ester prepn. from readily available cpds.
12/13/1995EP0686638A1 Tetravalent tin containing monomer and use thereof
12/13/1995EP0686623A1 Process for producing methyl methacrylate
12/13/1995EP0686622A1 Removal of carbonyl impurities from alpha, beta-unsaturated carboxylic acid esters
12/13/1995EP0686621A1 Process for the preparation of radiation-curable acrylates
12/13/1995EP0686620A1 Process for the continuous production of terpene esters
12/13/1995EP0686153A1 Chemical process
12/13/1995EP0686140A1 Alkylation of alkyl salicylate using a long chain carbon feed
12/13/1995EP0686046A1 Contrast agents
12/13/1995EP0593524B1 Method of preparing lower-alkyl esters of fatty acids
12/13/1995CN1113226A A process for the preparation of carboxylic esters derived from allylic alcohols
12/13/1995CN1113168A Process for the preparation of vingl acetate catalyst
12/12/1995US5475145 β-diketones, processes for making β-diketones and use of β-diketones as stabilizers for PVC
12/11/1995CA2151435A1 Removal of carbonyl impurities from a,b-unsaturated carboxylic acids
12/11/1995CA2151323A1 Process for the preparation of 2,2-dichloromalonic diesters
12/09/1995CA2151187A1 Preparation of radiation-curable acrylates
12/07/1995WO1995032996A1 Carbon based initiators for polymerization and telomerization of vinyl monomers
12/07/1995WO1995032940A1 Process for the production of olefin acid anhydrides and esters thereof
12/07/1995CA2144498A1 Polymer supported organotin catalyst
12/06/1995EP0685455A1 Catalyst for aryl ester production and process for producing aryl ester therewith
12/06/1995EP0685451A1 Process for the preparation of vinyl acetate catalyst
12/06/1995EP0685450A1 Process for the preparation of esters of carboxylic acids derived from allylic alcohol
12/06/1995EP0685449A1 Fluid bed process for the acetoxylation of ethylene in the production of vinyl acetate
12/06/1995EP0685447A2 Method for inhibiting polymerization of (meth)acrylic acid and esters thereof
12/06/1995EP0685442A1 Reagent and process for the Synthesis of esters and transesterifiable xanthates
12/06/1995CN1030462C Mesogens and polymers with mesogens
12/05/1995USRE35107 Solvent extraction using water to recover high purity isopropyl acetate raffinate and ethanol rich raffinate, fractional distillation of the two streams, solvent extraction
12/05/1995US5473099 Chemical intermediate for 4-amino-5-hexenoic acid; antiepileptic agents; a gamma amino-butyric acid transferase inhibitor
12/05/1995US5473098 Hydrogenation of an alkyl p-formylbenzoate to an alkyl p-(hydroxymethyl)benzoate, then reacting with trialkyl phosphite, phosphonation, and reacting intermediate with alkyl p-formylbenzoate
12/05/1995US5473095 Process for the preparation of chlorinated 4,5-difluorobenzoic acids, -benzoic acid derivatives and -benzaldehydes
12/05/1995US5472599 Optical resolution of isomers
12/05/1995CA1337701C Process for preparing acid anhydrides
12/05/1995CA1337696C Phenylalkenylcarboxylic acids and their esters
12/03/1995CA2143043A1 Fluid bed process for the acetoxylation of ethylene in the production of vinyl acetate
11/1995
11/30/1995WO1995032266A1 Increasing the electrical resistivity of ester lubricants, especially for use with hydrofluorocarbon refrigerants
11/29/1995EP0684249A1 Phosphine compounds, complexes containing the phosphine compounds as ligands, and process for producing optically active aldehydes using the phosphine compounds or complexes
11/29/1995EP0684230A1 4- (R)-1'-formylethyl azetidin-2-one derivatives