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7612228 Synthetic method of glycol diesters from reaction of glycol monoesters and linear aliphatic carboxylic acids  
A method of synthesizing glycol diester by reacting a linear aliphatic carboxylic acid and a glycol monoester in the presence of a Lewis acid type catalyst is provided. In the method, after...
7453008 Synthetic method of glycol diesters from reaction of glycol monoesters and linear aliphatic carboxylic acids  
A method of synthesizing glycol diester by reacting a linear aliphatic carboxylic acid and a glycol monoester in the presence of a Lewis acid type catalyst is provided. In the method, after...
7393961 Polyhalogenated ethers  
(Per)haloethers having formula: X-(Rf) L -O—CF 2 CF 2 —O—CX 1 X 2 —CFX 3 X 4 , (I)
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...
7301048 Process for isolating vinyl acetate  
A process for isolating vinyl acetate from the gas mixture formed in the reaction of ethylene with acetic acid and oxygen in the gas phase over catalysts comprising palladium or palladium...
7176329 Monocarboxylic acid esters of propoxylated fatty alcohols as pigment dispersants  
A novel fatty polypropoxylate ester which is an ester of an aliphatic or an aromatic monoacid formed by reacting the acid with a stoichiometric excess of a polypropoxylated fatty alcohol. The...
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...
6900347 Impurity inhibition in olefin metathesis reactions  
Reaction mixtures and methods using catalysts and reaction conditions to produce significantly improved yields (and thereby higher purity) of olefin metathesis products, with greatly reduced...
6831121 Trimethylolpropane ester-based plasticizer composition for polyvinyl chloride resin  
The present invention relates to a trimethylolpropane ester-based plasticizer composition for polyvinyl chloride resin, more particularly a plasticizer composition comprising trimethylolpropane...
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...
6433217 Process for the preparation of glycidylesters of branched carboxylic acids  
A process for the manufacture of glycidylesters of branched monocarboxylic acids, comprising (a) the reaction of the α-branched monocarboxylic acid with a halo substituted monoepoxide such as an...
6423856 Process for preparing ester plasticizers  
The present invention relates to a process for preparing ester plasticizers from ethylene glycol or the dimers, trimers or tetramers of this compound and linear or branched aliphatic monocarboxylic...
6362362 Process for preparing and purifying complex esters  
The invention concerns a process for manufacturing polyol complex esters. According to the method, a polyol, such as BEPD or NPG, is reacted with mono- and polyvalent acids in the presence of a...
6348593 Process for preparing folic acid  
A process for preparing folic acid, which comprises reacting a tetraalkoxypropanol of the general formula I, in which the substituents R are C 1 -C 4 -alkyl, with triaminopyrimidone of the...
6307093 Organic compounds and processes for their manufacture  
Esters of branched C 9 alcohols suitable as plasticizers are formed by esterification of a C 9 alcohol produced by the aldol condensation from propanal and a C 6 aldehyde and hydrogenation, the...
6271413 Process for producing polytetramethylene ether glycol diester on aluminium magnesium silicate catalysis  
An improved process for the preparation of polytetramethylene ether glycol diesters of the formula R--CO--O(--CH 2 -CH 2 -CH 2 -CH 2 -O) n -COR 1 in which R and R 1 are identical or...
6184400 Method of manufacturing a fatty acid ester of polyoxyalkylene alkyl ether  
A method of manufacturing a fatty acid ester of polyoxyalkylene alkyl ether wherein a fatty acid ester of polyoxyalkylene alkyl ether represented by the following formula (I) is produced through a...
6130191 Process for the preparation of trimethylolpropane caprylate/caprate  
A process for the preparation of a mixture of trimethylolpropane caprylate and trimethylolpropane caprate comprising the steps of A) purifying a less than pure mixture of methyl caprylate and...
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...
5986122 Treatment of polyethers prior to hydrosilylation  
This Invention discloses the use of ascorbic and citric acid, their salts, ethers, acid esters and mixtures thereof in a method for the prevention of peroxide formation, and/or for decomposing...
5976202 Reaction products of polyolefins with vinyl esters and their use as fuel and lubricant additives  
Reaction products of polyolefins having predominantly a terminal double bond and a number average molecular weight of from 250 to 10,000, which possess an aliphatic hydrocarbon skeleton which is...
5777157 Process for production and purification of triacetin  
A method for producing and purifying triacetin. The method includes an initial separation of triacetin from a crude composition of triacetin and impurities. The separated triacetin is then...
5728658 Biodegradable synthetic ester base stocks formed from branched oxo acids  
A biodegradable lubricant which is prepared from: about 60-99% by weight of at least one biodegradable synthetic ester base stock which comprises the reaction product of: a branched or linear...
5654472 Triazole derivatives  
The present invention relates to a novel glycerol derivative and a process for preparing the same, and a process for preparing a triazole derivative. According to the present invention, an optical...
5645852 Butyric ester cyto-differtiating agents  
This invention provides a method of inducing cell differentiation in a subject and methods of treating leukemia, thalassemia, or sickle cell anemia by administration to the subject of one or more...
5618973 Esterification process  
An esterification process for producing glycol ether esters which comprises reacting a lower hydrocarbyl carboxylic acid with a glycol ether alcohol in the presence of a long chain alkyl...
5539129 Nonionic amphiphilic compounds derived from glycerol, a process for preparing them, and corresponding intermediate compounds  
5453468 Prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers  
The invention relates to two classes of prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers. The first class...
5426214 Propylene glycol monomethyl ether butyrates and isomers, and the process for the preparation thereof  
Propylene glycol monomethyl ether butyrates and their isomers are obtained by the esterification of propylene glycol monomethyl ether or its isomer with iso-butyric or n-butyric acid at an elevated...
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...
5324863 Process for the production of di-trimethylolpropane  
Process for the production of di-trimethylolpropane (di-TMP), which comprises subjecting a solution containing less than 3 per cent by weight, preferably less than 1 per cent by weight of water,...
5321152 Propylene glycol monomethyl ether propionate compounds and the process for the preparation thereof  
Propylene glycol monomethyl ether propionate compounds are obtained by the esterification of propylene glycol monomethyl ether with propionic acid at an elevated temperature above 80° C. in the...
5308512 Thiodiglycol alkoxylate derivatives, a process for their production and their use as fabric softeners  
The process of producing alkoxylated thiodiglycol sulfoxide derivatives and thiodiglycol sulfone derivatives corresponding to formula I ##STR1## wherein X 1 and X 2 may be the same or different...
5245003 Ternary mixtures of glycols and water that retain fluidity at ambient temperatures  
Provided are certain novel fluid ternary glycol mixtures. Also provided is an improved process for preparing polyesters comprised of residues of the glycols which comprise the fluid ternary...
5239112 Process for the preparation of acetals and hemiacetal esters  
The present invention relates to a process for preparing acetals and hemiacetal esters which comprises reacting a vinyl ester and an alcohol in the presence of a solvent having a dielectric...
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...
5229036 Antistatic composition  
Diethanolamine and triglyceride are reacted to produce a reaction mixture comprising diethanol amide of monocarboxylic acid and hydroxy-functional glyceride. The reaction mixture is useful as an...
5202465 Preparation of 2-methylenepropane-1,3-diol dicarboxylates  
2-Methylenepropane-1,3-diol dicarboxylates are prepared by reacting pentaerythritol tetracarboxylates on solid catalysts at elevated temperatures.
5202463 Process for the preparation of a glycol ether ester  
An improved process for preparing and purifying glycol ether esters is disclosed. An azeotroping agent is included at a sufficiently low level to allow removal of the water of reaction, but also...
5200553 Biologically active carboxylic acid esters  
Biologically active carboxylic acid esters which promote antitumor or immune response are selected from the group consisting of compounds having formulas (I), (II) and (III): XCH 2 ...
5192462 Thickening agents for topical preparations  
A thickening agent based upon a polyether ester compound having the formula: ##STR1## Wherein: R 1 is H or ##STR2## R 2 is a hydrocarbon chain having greater than 5 carbon atoms; and (W+X+Y+Z) is...
5162573 Valproic and (E)-2-valproenoic acid derivatives, and pharmaceutical compositions therefrom  
2-Propyl-2-pentanoic acid (valproic acid) esters and (E)-2-propyl-2-pentenoic acid [(E)-2-valproenoic acid] esters surprisingly proved to have valuable properties, in that they show anticonvulsive...
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...
5126291 Sulfur inhibitors of phospholipase A-Z  
Phospholipase A 2 inhibitors having the formula ##STR1## wherein R" is a C 2 -C 20 alkyl group, R 1 " is a C 1 -C 4 alkyl group, y is an integer from 2 to 10, and J - is a pharmaceutically...
5117046 Preparation of alkylidene diesters  
Alkylidene diesters such as ethylidene diacetate are produced by reacting an ether and/or an ester under substantially anhydrous conditions with carbon monoxide and hydrogen in contact with a...
5051492 Polyether resins and process for preparing the same  
A process for the preparation of a polyether resin having an epoxy group content of less than 0.2 meq/g and containing or average n/3-0.5 to n/3+2.5 primary hydroxyl groups, the process comprising...
5015754 Quaternized condensation products of trialkanolamines  
Quaternized condensation products useful as aftertreating agents for fixing reactive dyeings and prints on textile materials which contain cellulose fibers are formed from A) a precondensate of...
5008445 Process for the production of glycol monoesters  
The present invention relates to a process for producing glycol monoesters by reacting carboxylic acid, olefin and oxygen in the presence of a catalyst containing (A) a palladium component, (B) an...
5008126 Long chain diol diesters as low calorie fat mimetics  
Long chain diol diesters, notably 11- to 30- carbon aliphatic chains having two vicinal fatty acid esters or dicarboxylate-extended fatty acid esters, or two fatty acid esters of...
Matches 1 - 50 out of 335 1 2 3 4 5 6 7 >