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7544831 Green catalytic process for the synthesis of acetyl salicylic acid  
The present invention provides a green catalytic process for the synthesis of acetyl salicylic acid using solid acid catalysts at atmospheric pressure. The invention involve the solid acid catalyst...
7541506 Method for the telomerisation of non-cyclic olefins  
The invention relates to a process for the telomerization of acyclic olefins having at least two conjugated double bonds (I) or mixtures in which such olefins are present with nucleophiles (II)...
7432393 Silica support, heteropolyacid catalyst produced therefrom and ester synthesis using the silica supported heteropolyacid catalyst  
A silica support for use in the manufacture of a silica supported heteropolyacid catalyst for use in producing a carboxylic ester from a monocarboxylic acid, olefin and water wherein the support is...
7304177 Method for improving spreading properties of cosmetic ingredients  
Described is a method for improving the spreading properties of fatty alcohol containing cosmetic ingredients by providing a fatty alcohol containing starting material and adding an effective...
7241857 Method for producing allyl compound, and ether or ester compound produced thereby  
A method for producing an allyl compound having a compositional formula different from that of an allyl starting material compound, which comprises reacting the allyl starting material compound...
7220710 Carbohydrate esters for using as lubricants  
The present invention relates to compositions which comprise mixtures of open-chain and cyclic molecules of the sugar alcohols D-sorbitol and D-mannitol which have been esterified with at least one...
7026523 Method for telomerizing non-cyclic olefins  
The invention provides a process for the telomerization of acyclic olefins having at least two conjugated double bonds (I) or mixtures comprising such olefins by means of nucleophiles (II) using a...
6939980 Process for producing ester  
A method for producing an ester comprising the steps of reacting an alcohol with a carboxylic acid to obtain a crude esterfied product, adding 5 to 100 parts by weight of a hydrocarbon solvent with...
6881859 Trialkyl acetic acid (neo acid) esters and esterification process  
Disclosed is a method of making trialkyl acetic acid (“neo acid”) esters and a neo acid ester composition. Neo acid esters are made by contacting a neo acid stream, comprising a mixture of neo...
6768021 Process improvement for continuous ethyl acetate production  
Disclosed herein is an improved process for producing ethyl acetate comprising contacting acetic acid and ethanol in a reaction zone in the presence of an acid catalyst, distilling formed vapors...
6765110 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate  
This invention relates to a process for the simultaneous coproduction of ethyl acetate and isopropyl acetate. The esterification reaction comprises contacting acetic acid with a mixed alcohol...
6753443 Preparing method of chiral ester  
The present invention relates to a process for preparing a chiral ester according to the formula (100): by reacting (i) a racemic alcohol, (ii) a selected ruthenium complex to activate...
6730806 Process for preparing a carboxylic ester  
A process for preparing carboxylic esters. A catalytic distillation column filled with acidic catalyst in solid phase is utilized. Alcohol is fed from the bottom of the catalytic distillation...
6693213 Method of producing ethyl acetate and an equipment for carrying out this method  
The invention relates to a method of producing ethyl acetate by reaction of ethyl alcohol with acetic acid and/or acetic anhydride in the presence of a solid acidic catalyst accompanied by...
6657075 Continuous process for tertiary butyl esters  
Disclosed is a continuous process for the production of tertiary butyl esters by the reaction of a ketene and tertiary butyl alcohol containing a finite concentration of water. The process may be...
6586609 Process for esterification in a chromatographic reactor  
Process for the esterification of organic acids with alcohols in a reactor of the chromatographic type in which the heterogeneous solid phase is capable of acting both as an esterification catalyst...
6518454 Preparation of esters of carboxylic acids  
Disclosed is a process wherein a solution of a carboxylic acid in a first solvent and an alcohol are fed to a simulated moving bed reactor (SMBR) containing a solid(s) to produce a first stream...
6482976 Processes for conducting equilibrium-limited reactions  
This invention relates to processes for conducting equilibrium-limited reactions such as esterification and alcoholysis reactions, using a single reaction zone and an acid separation column...
6472555 Process for the production of esters from alcohols using acetic acid as acetylating and clays as catalysts  
The present invention relates to a process for the preparation of esters from alcohols using acetic acid as acetylating agent and clays as catalysts, which comprises the preparation of esters in a...
6444843 Producing method of (hydroxyalkyl) alicyclic carboxylic acids and intermediates for producing the same and producing method of such intermediates  
(Acyloxyalkyl)aromatic carboxylic acids are produced by partial oxidation of alkyl substituted aromatic compounds which are represented by the following General Formula (1) CHR 1 R 2 —Ar—(R 3...
6348622 Vitamin a related compounds and process for producing the same  
There is provided a compound of the formula[I]: wherein R represents a hydrogen atom or a protective group for a hydroxyl group; and A represents a hydrogen atom, a halogen atom or a group of...
6329549 Dimethyl ether for methyl group attachment on a carbon adjacent to an electron withdrawing group  
A process for methylating an alpha carbon adjacent to an electron withdrawing group includes reacting dimethyl ether with a molecule containing the alpha carbon and the electron withdrawing group...
6323174 Diene compound and process for producing the same  
The invention provides a chain diene compound with desirable regioselectivity, in the presence of a specific ruthenium compound. This chain diene compound is a promising raw material for terpene....
6278015 Process for trifluoroacetate esters and thioesters  
The present invention provides a process for preparing esters or thioesters of trifluoroacetic acid from trifluoroacetyl chloride and an alcohol or a thiol with the ester or thioester being present...
6242620 Process for making carboxylic acid esters  
Sulfur and soap contaminants are removed from carboxylic acid esters by a process comprising the steps of: (1) contacting a carboxylic acid ester with an aqueous base at a temperature of from about...
6124270 Use of a cationic amphipathic compound as a transfection agent, vaccine additive or drug  
A cationic amphipathic compound of formula (I), ##STR1## wherein A is a single bond, an NH--R' grouping or (a), wherein --R'-- is a straight or branched, optionally substituted, saturated or...
6121483 3-alkoxypropionic ester derivative, olefin polymerization catalyst, and process for preparation of polyolefin  
A 3-alkoxypropionic ester derivative, an olefin polymerization solid catalyst component using the same, an olefin polymerization catalyst using the same, and a process for the preparation of a...
6028215 Process for preparing esters of carboxylic acids  
A process for preparing esters from alcohol and carboxylic acid by a) feeding a mixture, comprising at least alcohol and/or carboxylic acid as educts, into a distillation column with separated...
5750571 Methods and therapeutic compositions for treating cystic fibrosis  
Methods for treating cystic fibrosis are described. The methods involve the administration of a protein enhancing agent, differentiating agent and/or carboxy-compound to a subject afflicted with...
5723652 Optically active monophosphino carboxylic acid derivative  
The invention is to provide an asymmetric reaction catalyst useful for the production of medical or agricultural chemicals or intermediates thereof. The catalyst comprises an optically active...
5719311 Catalytic processes for esterification of carboxylic acids  
An improved process for the esterification of carboxylic acid and alcohols into carboxylic ester is disclosed. It comprises the steps of: (a) charging the esterification reactants into a fixed bed...
5405992 Process for concurrent esterification and separation using a simulated moving bed  
A process for the continuous esterification of at least one alcohol and at least one carboxylic acid to form at least one ester and water, and the concurrent separation of the esterification...
5395961 Reducing decomposition of acetates  
Disclosed is a method of reducing the decomposition of liquid acetates and increasing their storage life. A soluble amine having a pH in water between 9 and 12 is added to the acetate. Also...
5371279 Acetic acid removal from liquid ether acetates  
Disclosed is a method of making a liquid ether acetate. After reacting acetic acid with the corresponding ether alcohol, the resulting mixture of ether acetate, water, acetic acid, and ether...
5349075 Continous esterification of carboxylic and fatty acids in the absense of a catalyst  
The invention provides a process for the esterification of a C 2 -C 24 monocarboxylic acid with a C 1 -C 5 monoalcohol in a reactor at an increased reaction temperature and increased pressure...
5336793 Preparing carboxylic acids or esters by oxidative cleavage of unsaturated fatty acids or esters  
A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof is carried out in a two-phase aqueous-organic system in which the...
5334751 Ethyl acetate from ethanol  
Disclosed is a process for making ethyl acetate which comprises reacting in a reaction zone ethyanol and molecular oxygen in the presence of a solid catalyst containing the elements and proportions...
5312966 Process for production of carboxylic acid ester and formamide  
There is disclosed a process for efficiently producing a carboxylic acid ester and formamide by reacting a carboxylic acid amide with a formic acid ester or with an alcohol and carbon monoxide in...
5304675 Ester derivatives of lower alkene oligomers  
An ester product consisting essentially of the acylation product of a mixture of near linear aliphatic 1-alkanols, said alkanols containing six to twenty carbon atoms and having a methyl to...
5302748 Esterification process  
An improved process for preparing esters of an alcohol and a carboxylic acid employing sulfuric acid in an amount effective to both catalyze the reaction and to remove or immobilize the water of...
5302747 Process for the manufacture of esters  
A method and apparatus for producing esters without the aid of a conventional acid catalyst. A mixture of a monohydric aliphatic alcohol and a lower carboxylic acid is provided in a reaction vessel...
5296630 Process for continuously producing an anhydrous methyl acetate/methanol mixture  
A process for continuously producing an anhydrous methyl acetate/methanol mixture by esterifying acetic acid and methanol in the presence of an acidic esterification catalyst is indicated, which...
5278338 Racemization process for optically active carboxylic acids, salts and esters  
A method for racemizing an optically active carboxylic acid, or ester thereof, of the formula: ##STR1## where R 1 is hydrogen, hydroxy, halo, cyano, C 1 to C 6 linear or branched alkoxy, amino...
5233078 Preparation of dialkyl malonates  
The invention relates to a process for preparing dialkyl malonates by ozonolysis of diketene, subsequent catalytic hydrogenation and esterification of the reaction products, the by-products being...
5231221 Process for the preparation of acylals  
Compounds of the formula ##STR1## can advantageously be prepared by reacting compounds the formula II ##STR2## in which the substituents R 1 -R 4 have the meanings given, with the anhydride of...
5221765 Racemization process for an optically active carboxylic acid or ester thereof  
A method for racemizing an optically active carboxylic acid, or ester thereof, of the formula: ##STR1## where R 1 is hydrogen or C 1 to C 6 linear or branched alkyl; R 2 , R 3 and R 4 are...
5202468 Process for producing methyl acetate from methyl formate  
The object of the invention is a process for the preparation of methyl acetate starting from the methyl formate, characterized in that methyl formate is converted at a temperature of 170° to 220°...
5194668 Process for production of carboxylic acid esters and formamide  
Carboxylic acid esters and formamide are efficiently obtained by reacting carboxylic acid amides and formic acid esters, or by reacting carboxylic acid amides, alcohols and carbon monoxide in the...
5151547 Process for producing organic carboxylic acid esters  
Disclosed is a process for producing an organic carboxylic acid ester from an organic carboxylic acid corresponding to said organic carboxylic acid ester and an alcohol by esterification reaction...
5149861 Recovery of trialkylamines and methyl formate from mixtures obtained in the preparation of trimethylolalkanes  
Trialkylamines and methyl formate are recovered from reaction mixtures obtained in the preparation of trimethylolalkanes by reaction of n-alkanals with from 2.2 to 4.5 moles of formaldehyde in...
Matches 1 - 50 out of 255 1 2 3 4 5 6 >