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8058481 Alkyl alkoxylates containing unique end groups  
Described is a process for the alkoxylation of alcohols with I, Cl, or CH3CO2 endgroups, using alkylene epoxides in the presence of boron based catalysts.
7355066 Process for making terpene esters  
A process for making terpene esters is disclosed. Reaction of a terpene alcohol with acetic anhydride in the presence of a high-boiling amine provides a terpene ester. Acetic acid, which is...
7199263 Acetic anhydride and acetate ester co-production  
A method of co-producing acetic anhydride and an acetate ester includes pyrolizing acetic acid at elevated temperature to produce a first ketene stream, the first ketene stream being a vapor phase...
7183421 Processes for producing oxide with higher oxidation than alcohol  
The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an...
7160524 Process and apparatus for the production of butylacetate and isobutylacetate  
The invention relates to an apparatus for the production of butylacetate by esterification of acetic acid with butanol in the presence of a solid acidic catalyst in which distillatory separation of...
7091155 Catalyst for ester production and process for producing ester  
A catalyst for ester production which comprises zirconium oxide, copper, and at least one oxide selected from the group consisting of zinc oxide, chromium oxide, aluminum oxide and silicon oxide,...
6867164 Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it  
An acetic acid production catalyst that contains (b) at least one element selected from the group consisting of Group 14 elements, Group 15 elements and Group 16 elements of the Periodic Table...
6809217 Process for the preparation of ethyl acetate  
Ethanol is dehydrogenated in the presence of hydrogen over a dehydrogenation catalyst, for example, a copper on silica catalyst. The liquefiable products present in the resulting intermediate...
6797830 Process for producing oxide with higher oxidation than alcohol  
The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an...
6740785 Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide  
Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic...
6639091 Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system  
Bidentate ligand of formula II, R1R2M1—R—M2R3R4 (II)wherein M1 and M2 are independently P, As or Sb; R1, R2, R3 and R4 independently represent tertiary alkyl groups, or R1 and R2 together and...
6521784 Process for the preparation of acetic acid or methyl acetate  
Methanol is reacted in presence of catalyst system comprising of an iron containing compound and a tin containing compound with or without an organic compound containing C, N, O, P, S, diamine,...
6444842 Continuous process for the production of carboxylic acid esters of alkylene glycol monoalkyl ethers  
The present invention provides an improved method for the preparation of carboxylic acid esters of alkylene glycol monoalkyl ethers by the acid catalyzed esterification of the monoalkyl ether with...
6399828 Preparation of amphetamines from phenylpropanolamines  
A process for making compound of formula I from a phenylpropanolamine salt of formula II wherein:R1 is hydrogen or a lower alkyl group;each R2 is independently a hydrogen, halogen, lower alkyl...
6316664 Process for preparing hydroxy-containing compounds from formic acid esters  
Formic ester is transesterified with a hydroxyl-containing compound in the presence of a tertiary amine as transesterification catalyst to form a formic ester which differs from the formic ester...
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...
6093845 Ester co-production  
This invention relates to a process for the simultaneous co-production of ethyl acetate and n-butyl acetate. The process involves reacting a reaction mixture of ethanol, n-butanol and acetic acid...
6072077 5-Z-octenyl esters, process for their preparation and their use  
5-Z-octenyl esters of the formula ##STR1## in which R represents hydrogen, methyl or ethyl, have an intensive mango aroma, so that the compounds I can be added to fruit compositions and aroma...
5998658 Catalytic processes for the preparation of acetic esters  
An improved process for the preparation of acetic esters is disclosed. It comprises a fixed bed reaction and a catalytic distillation. The fixed bed reaction comprises the steps of: (a) charging...
5981792 Process for the production of 1-functional allylalcohol carboxylic esters  
The process for preparing 1-functional allyl alcohol carboxylic esters comprises reacting a 3-functional allyl alcohol with the anhydride of the carboxylic acid at temperatures above 100° C. in ...
5977402 Processes for preparing 4-tert.-butylcyclohexanol and 4-tert.-butylcyclohexyl acetate  
4-tert.-Butylcyclohexanol having a larger content of its cis-isomer is prepared by hydrogenating 4-tert.-butylphenol in a solvent in the presence of a rhodium catalyst and a compound selected from...
5900369 Method for producing oxodicyclopentadiene  
Optically active oxodicyclopentadiene is produced by adding lipase into ketoalcohol (1) and vinyl acetate, stirring them to obtain optically active acetate, and methylating and oxidizing to...
5869739 Method for producing formic acid or its derivatives  
Formic acid or derivatives thereof are produced from non-toxic carbon dioxide in the supercritical state, using it as raw materials, without using solvents, and at a high efficiency owing to a high...
5840962 Process for preparing esters from alcohols and ketenes  
A process for preparing an ester comprising reacting an alcohol with a ketene in an ester solvent in the presence of an acid catalyst, resulting in a high yield of the ester product, with a minimum...
5831116 Catalytic process for making ethers, aldehydes esters and acids from alcohols using a supercritical fluid mobile  
A process for partially oxidizing alcohols such as methanol, comprising the steps of a) introducing into a reactor unit containing a solid acid catalyst amounts of alcohol and oxygen; and a...
5756830 Process for preparing intermediates for the synthesis of antifungal agents  
A process for producing a crystalline chiral hydroxy ester of the formula: ##STR1## is disclosed. The process comprises reacting a diol of the formula: ##STR2## with an effective amount of...
5726345 Process for perfuming textiles  
We describe a process for perfuming fabrics washed in the presence of a lipase-containing detergent and, optionally, subsequently treated with a fabric softener, said process being characterized in...
5679831 Process for the preparation of an ester  
Process for the preparation of a terminal ester by carbonylation of an internally unsaturated organic compound in the presence of an alcohol, carbon monoxide, palladium, an acid with a pKa of less...
5679837 Process for producing acetic acid or methyl acetate and catalyst therefor  
The present invention relates to: (1) a novel catalyst which has a high catalytic activity, is useful in the production of acetic acid and/or methyl acetate from methanol, and is obtained through...
5670695 Process for the preparation of diacerein  
The present invention relates to a process for the preparation of 1,8-diacetoxy-3-carboxyanthraquinone, also known as diacerein, via aloin acetylation, oxidation of the acetylated product, and...
5659073 Process for making glycol ether acetates  
Disclosed is a method of making a glycol ether acetate. Acetic acid is reacted with a glycol ether at a molar ratio of about 1.1 to about 2, in a mixture with a catalyst and an azeotropic agent...
5618972 Process for continuous reaction and separation using fixed catalyst bed serially connected to simulated moving catalyst and adsorbent bed  
A two-stage process for effecting a chemical reaction has been developed. The reactants are contacted with a first stage fixed catalyst bed containing a solid catalyst or mixture of catalysts...
5563289 Process for preparing acetoxystyrene  
The present invention provides a unique and novel way of producing an acetoxystyrene. In this new process which comprises a single step, a mixture of (a) a carbinol, (b) an acetylating agent, and...
5527949 Method for making an amine and an alkyl ester and method for reducing hydrogen cyanide levels in alkyl ester  
A method for making an amine includes the steps of heating a reaction mixture including a nitrile, an acid, water and a substrate compound capable of generating a carbonium ion by reaction with the...
5449793 Process for producing an optically active 1,5-disubstituted-2,4-O-isopropylidene-2,4-dihydroxypentane  
A novel optically active erythro-1-alkanoyloxy-2,4-O-isopropylidene-2,4-dihydroxy-5-s ubstituted pentane expressed by the formula ##STR1## wherein R1 represents a halogen atom or cyano group and R2...
5410072 Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants  
Isomeric mixtures of pentanoic acids are prepared by subjecting butene-1/butene-2 mixtures to hydroformylation to form aldehyde mixtures, followed by oxidation of the aldehyde mixtures which have...
5405991 Process for producing carboxylic acid esters from carboxylic acid halides and alcohols  
A process for preparing carboxylic esters from carboxylic acid halides or carboxylic anhydrides by reacting one of these starting materials with an alcohol under the catalytic action of "onium" or...
5399745 Process for producing methyl formate  
There are disclosed a process for producing methyl formate by dehydrogenating methanol in liquid phase in the presence of a solid catalyst and a process according thereto wherein a gas (N2, H2, CO,...
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...
5274175 Process for the preparation of 4-acetoxyphenylmethyl carbinol  
A method for producing 4-acetoxystyrene by heating 4-acetoxyphenylmethylcarbinol, with an acid catalyst, at a temperature of from about 85° C. to about 300° C. under a pressure of from about 0.1 m...
5245074 Process for the production of 4-acetoxystyrene, its polymers and hydrolysis products  
A method for producing 4-acetoxystyrene by heating 4-acetoxyphenylmethylcarbinol, with an acid catalyst, at a temperature of from about 85° C. to about 300° C. under a pressure of from about 0.1 m...
5218134 Process for esters  
Esters are prepared directly from 2-substituted alcohols, such as Guerbet alcohols, by dehydrogenating and esterifying the alcohol at 170° C.-240° C. in the presence of a catalyst system c...
5194675 Preparation of methyl formate  
Methyl formate is prepared by converting methanol over a copper-containing catalyst at elevated temperatures and in the gas phase by a process in which the catalyst used contains from 30 to 80% by...
5144062 Process for producing methyl formate  
A process for the preparation of methyl formate by the vapor phase dehydrogenation of methanol in the presence of a catalyst composed of copper oxide, a chromium oxide and a sodium compound is...
5072025 Process for the production of 3,5-disubstituted-4-acetoxystyrene  
3-substituted-4-hydroxy- and 4-acetoxystyrene compounds, especially 3,5-di(methyl, bromo or chloro)-4-acetoxystyrene as well as a process for its preparation. 2,6-dimethylphenol is acylated with...
5041614 Method for the preparation of 4-acetoxystyrene  
A method for the preparation of 4-acetoxystyrene is disclosed. The method comprises heating 4'-acetoxyphenylmethylcarbinol in the presence of a suitable acid anhydride and a suitable dehydration...
4965400 Preparation of 3,5-disubstituted-4-acetoxystyrene  
3-substituted-4-hydroxy- and 4-acetoxystyrene compounds, especially 3,5-di(methyl, bromo or chloro)-4-acetoxystyrene as well as a process for its preparation. 2,6-dimethylphenol is acylated with...
4939292 Synthesis of esters from alcohols containing carbon monoxide as an impurity  
Esters are prepared by contacting, under suitable reaction conditions, a feed stream comprising a primary alcohol of 1-4 carbon atoms per molecule (preferably methanol, ethanol) and carbon monoxide...
4935538 Oxygenate condensation  
The process for the production of high molecular weight oxygenates by condensing low molecular weight oxygenates in the presence of CO and a catalyst having the general formula Aa CuMc Xd Ox. In...
4906772 Process for production of polycarboxylic aromatic acids  
A process is disclosed for the co-production of aliphatic monocarboxylic acids and polycarboxylic aromatic acids in high selectivity, conversion and yield. The aliphatic monocarboxylic acid can...
Matches 1 - 50 out of 63 1 2 >