Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1998
12/17/1998WO1998056747A1 Process and catalysts for the selective production of esters of fatty acids
12/17/1998WO1998056746A1 Polymerization inhibition of acrylates using blends of nitroxides
12/17/1998WO1998056500A1 Use of chromium (iii) carboxylates as a catalyst
12/17/1998DE19752722C1 Production of di:methyl terephthalate from p-xylene
12/17/1998DE19724605A1 Preparation of hydrophilic, homogeneous, mono:glyceride formulation,
12/16/1998EP0884301A1 Process for the separation of the raw ester mixture from the production of dimethylterephthalate by the Witten-Hercules process
12/16/1998EP0884097A1 Method for making hydroxypivalic acid neopentylglycol ester non-caking granulates
12/16/1998EP0883594A1 Process for the production of 1,2-diacetoxy esters
12/16/1998CN1202148A Process for preparing hydroxy-containing compounds from formic acid esters
12/16/1998CN1202146A Preparation of polyalcohols
12/16/1998CN1201780A Method for deodorizing ester
12/15/1998US5849967 Hydrocarbon conversion process using binderless zeolite L catalyst
12/15/1998US5849939 transesterification of triglycerides, characterized in that the glycerol phase containing fatty acids, and/or their salts are separated from the glycerol phase, esterified with an alcohol and recycled to a different reaction mixture, in which a further transesterification is carried out
12/15/1998US5849851 Romp of functionalized cyclic olefins using ruthenium and osmium carbene complexes
12/15/1998US5849161 Method for treating solution of organic compound
12/10/1998WO1998055445A1 A process for the preparation of 1-bromoethyl acetate
12/10/1998WO1998055443A1 Vinyl acetate process utilizing a palladium-gold-copper catalyst
12/10/1998WO1998055438A1 Process for the preparation of 1,3-dicarbonyl compounds
12/10/1998WO1998055225A1 Vinyl acetate catalyst comprising palladium and gold deposited on a copper containing carrier
12/10/1998DE19742097C1 Recovery of light-coloured fatty acid lower alkyl especially methyl ester with low glycerol content
12/10/1998DE19724018A1 Improved production of glycerol mono:fatty acid ester
12/09/1998EP0882507A1 Noble metal supported shell-type catalyst, its manufactoring and its use for preparing vinyl acetate
12/09/1998EP0777639B1 Process for preparing aromatic aldehydes
12/09/1998CN1201028A Tetrahydroxyl phenylpropenoic acid and chemical compound thereof
12/09/1998CN1041084C Process for preparing diesters of naphthalenedicarboxylic acids
12/09/1998CN1041083C Preparation of beta-ketoesters compound useful for preparing quinolone antibiotics
12/09/1998CN1041082C Dimethyl terephthalate membrane type crystal refining method
12/08/1998US5847239 Transesterification process
12/08/1998US5847228 Process for the hydroformylation of an olefin in a two-phase medium
12/08/1998US5847204 Process for producing an iridium solution and use of same as catalyst
12/08/1998US5847202 Racemization process for optically active carboxylic acids or salts or esters thereof
12/08/1998US5847198 Process for the preparation of esters
12/08/1998US5847186 Process for preparing asymmetric compound by using metal complex
12/08/1998US5847117 Reagent and catalytic process useful for cleaving a protected functional group
12/08/1998US5847070 Hydroxy ethyl bibenzoate
12/08/1998CA1340171C Aqueous solution conataing fat-soluble vitamin k
12/03/1998WO1998054275A2 Elimination of trans-unsaturated fatty acid compounds by selective adsorption with zeolites
12/03/1998WO1998054117A1 Chemical compounds having two terminal trifluoromethyl groups
12/02/1998EP0881209A1 Process for producing hydroxyalkyl monoacrylate
12/02/1998EP0880562A1 Treatment of deagglomerated particles with plasma-activated species
12/02/1998CN1200721A Process for preparing alkyl carboxylates
12/02/1998CN1200369A Method for extraction of fish-oil polyene unsaturated fatty acid ester by rectifying
12/02/1998CN1200368A Process for prodn. of malonate
12/01/1998US5844111 Method for purifying an inert gas while preparing lower alkyl esters
12/01/1998US5843910 Colchicine derivatives and the therapeutical use thereof
11/1998
11/26/1998WO1998052930A1 Novel cyclobutane derivatives and process for producing the same
11/26/1998WO1998052904A1 Processes for refining butylacrylate
11/26/1998WO1998052903A1 Processes for conducting equilibrium-limited reactions
11/26/1998WO1998052902A1 Polymerizable adamantane derivatives and process for producing the same
11/26/1998WO1998052901A2 Method for producing ester plasticizers
11/26/1998WO1998052688A1 Method for producing vinyl acetate
11/26/1998WO1998052687A1 Ruthenium catalysts and their use in the asymmetric hydrogenation of weakly coordinating substrates
11/26/1998DE19721368A1 Verfahren zur Herstellung von Vinylacetat A process for the production of vinyl acetate
11/26/1998DE19721347A1 Verfahren zur Herstellung von Esterweichmachern A process for preparing ester plasticizers
11/26/1998CA2290741A1 Processes for refining butylacrylate
11/25/1998EP0879812A1 Process for producing aromatic hydroxycarboxylic acid derivatives
11/25/1998EP0879274A1 Technical di- and triglyceride mixtures
11/25/1998CN1199728A Chlorogenic acid extracting process from honeysuckle
11/24/1998US5840969 Carbonylating methanol or methanol/dimethyl ether formed in the process stream
11/24/1998US5840962 Process for preparing esters from alcohols and ketenes
11/24/1998US5840959 Method of oxidizing alkyl-5-formyl valerate to monoalkyl adipate
11/24/1998US5840958 1S to 1R Epimerizations of pyrethroid intermediates
11/24/1998US5840957 Transesterification process using lanthanum compound catalyst
11/24/1998US5840944 Method to produce highly pure eicosapentaenoic acid or its ester
11/24/1998US5840943 Esterifying a polyhydroxystearic acid having a degree of self-condensation of from 2 to 20 with polyglycerol component; emulsifiers
11/24/1998US5840942 Catalyzed synthesis of aryl-substituted fatty acids and fatty esters and compositions related thereto
11/24/1998CA2141333C Hydrogenation in a plate heat exchanger
11/19/1998WO1998051657A1 Processes for producing citrate esters
11/19/1998WO1998051656A1 Method for the separation and purification of polyunsaturated fatty acid esters
11/19/1998DE19727636C1 Direct preparation of 2-alkyl-carboxylic acid and 2-alkyl-malonic di:ester compounds by one-pot process
11/19/1998CA2290092A1 Processes for producing citrate esters
11/18/1998EP0878534A2 Process for the continuous catalyst conversion of organic compounds
11/18/1998EP0878459A1 Process for preparing 9,10-dihydro-9,10 ethanoanthracen-9-carboxylic acids by oxidation of the corresponding aldehyds
11/18/1998EP0878458A1 Oxidation process of ethers
11/18/1998EP0877728A1 Process for the carbonylation of acetylenically unsaturated compounds
11/18/1998EP0877727A1 Integrated process for the production of vinyl acetate and/or acetic acid
11/18/1998EP0745116B1 Hydrogenation of unsaturated fats, fatty acids or fatty acid esters
11/18/1998EP0652714A4 Process for preparing soft centers in food products.
11/18/1998CN1199043A Process for preparation of polyol alkyl ether acetates and polyol acetates
11/18/1998CN1199042A Process for preparation of emtrol benzoate plasticizer
11/17/1998US5837671 Ethyl octadienoate for taste and odor
11/12/1998WO1998050572A1 HMG-CoA REDUCTASE INHIBITOR PREPARATION PROCESS
11/12/1998WO1998050338A1 Process for preparing and purifying complex esters
11/12/1998WO1998050337A1 Substituted 2-(3-alkenyl-benzoyl)-cyclohexane-1,3-diones
11/12/1998CA2289114A1 Substituted 2-(3-alkenyl-benzoyl)-cyclohexane-1,3-diones
11/12/1998CA2287300A1 Ligated platinum group metal catalyst complex and improved process for catalytically converting alkanes to esters and derivatives thereof
11/11/1998EP0877089A1 HMG-CoA reductase inhibitor preparation process
11/11/1998EP0877015A1 Process for the preparation of cyclopropanecarboxamide
11/11/1998EP0877012A2 Process for the production of high-purity dimethyl 2,6-naphthalenedicarboxylate and naphthalenedicarboxylic acid
11/11/1998EP0877011A1 Processes for producing tetra-fluorophthalic anhydride and fluorobenzoic acids
11/11/1998EP0876316A1 Process for the preparation of polyalcohols
11/11/1998EP0714385B1 Hydroformylation process
11/11/1998CN1198733A Process for the continuous preparation of pure 5-formly valeric acid esters
11/11/1998CN1198732A Integrated process for the production of vinyl actate and/or acetic acid
11/11/1998CN1198730A Method for inhibiting polymerization of vinyl compounds
11/11/1998CN1198435A Method for producing fluorescent whitening agent
11/10/1998US5834588 (Cyanomethylene) phosphoranes as carbonyl 1,1-dipole synthons for use in constructing combinatorial libraries
11/10/1998US5834576 Acrylic acid derivatives, method for preparing the acrylic acid derivatives, and acrylic acid polymers
11/05/1998WO1998049216A1 Purification of by-product stream in preparation of polytrimethylene terephthalate
11/05/1998WO1998049130A2 Hydroxynaphthoic acids and derivatives