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7601880 Method for catalytic deoxygenation of process fluids of olefin dimerization process  
The present invention relates to a method for catalytic deoxygenation of process fluids of olefin dimerization processes. According to the invention at least one process fluid containing oxygenates...
7553995 Method of producing tertiary amyl ethyl ether  
A process for the production of tertiary ethers, including: feeding a hydrocarbon stream comprising isoolefins and propionitrile to a distillation column reactor system containing at least one...
7473812 Method for producing butene oligomers and tert-butyl ethers from C4 flows containing isobutene  
The invention relates to a process for preparing butene oligomers and tert-butyl ethers from C 4 hydrocarbon streams, by converting the isobutene to butene oligomers and tert-butyl ethers and...
7473808 Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process  
A process for preparing ethyl tert-butyl ether (ETBE) using low-water ethanol obtained by membrane dewatering at least two streams of relatively water-rich ethanol that have a different water...
7344632 Production of fuel components  
A process for producing alkyl ethers, by etherification of tertiary C 4-7 olefins with an alkanol, comprising carrying out the etherification in reactor train system primarily configured for...
7304188 Preparation of highly pure methyl tert-butyl ether  
The invention relates to a process for preparing methyl tert-butyl ether (MTBE) in qualities which are suitable for organic syntheses and for use as a specialty solvent from MTBE in fuel quality.
7304184 Process for producing allyl-containing compounds  
An allyl-containing compound represented by following Formula (3): wherein R 2 , R 3 , R 4 , R 5 and R 6 may be the same as or different from one another and each represent hydrogen atom or...
7193118 Method for producing fluoroalkyl ether  
A method for producing a fluoroalkyl ether, which comprises reacting a fluoroalkyl alcohol with a fluorinated olefin in the presence of a solvent and a catalyst, wherein the fluoroalkyl alcohol and...
7141705 Etherification process  
A process for the etherification of C 4 , C 5 and/or C 6 tertiary olefins in a hydrocarbon feed with at least one C 1 to C 6 alcohol, preferably C 1 –C 4 alcohols in a distillation column...
7060865 Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons  
Disclosed is a process for removing DME from a stream containing C4 olefins. The process includes providing a first stream comprising C4 olefins, C5+ hydrocarbons, DME, and methanol. The first...
7022885 Purification on methyl tertiary butyl ether  
The present invention relates to purification of an MTBE process stream by contact in the liquid phase with a large pore zeolite such as 13X or Zeolite Y.
6824574 Process for improving production of Fischer-Tropsch distillate fuels  
Olefins and alcohols present in Fischer-Tropsch light naphthas are converted to dialkyl ethers of the formula: R—O—R′ where R and R′ are each primarily non-tertiary alkyl groups of more...
6737553 Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use  
The invention describes a process for the preparation of novel surfactant alcohols and surfactant alcohol ethers by derivatization of olefins having from about 10 to 20 carbon atoms or of mixtures...
6657090 Process for preparing highly pure raffinate II and Methyl tert-butyl ether  
The present invention provides a process, which includes: contacting at least one C 4 -hydrocarbon stream which includes isobutene with methanol over at least one acid catalyst and preparing...
6583325 Process for the production of tertiary alkyl ethers  
A process for the production of tertiary ethers from the reaction of isoolefins with lower alcohols, such as methanol, uses two distillation column reactors in series to maximize conversion,...
6576794 Process for production of ether amine  
A process for producing an ether amine (3), which comprises reacting a primary or secondary alcohol (1), ROH, with acrylonitrile in an amount of 0.8 to 1.2 equivalents of the alcohol (1) in the...
6500992 Synthesis of methyl tertiary butyl ether from methanol and isobutene using aluminum-fluoride-modified zeolite catalysts  
This invention concerns an improved and novel catalyst for preparing methyl tertiary butyl ether (MTBE). This invention is advantageous in that the reaction of methanol and isobutene takes place...
6489516 Process for the etherification of olefins  
The present invention concerns a process for the etherification of olefins. According to the process, an olefin or a mixture of olefins is reacted with an alcohol or a mixture of alcohols in the...
6472568 Reaction and distillation device and etherification process  
The invention relates to a process for preparing at least one aliphatic monoalcohol, generally in excess, and at least one olefin. The process is performed in a distillation and reaction device...
6417408 Production process for (poly)alkylene glycol monoalkyl ether  
The present invention provides a process for producing a (poly)alkylene glycol monoalkyl ether with high selectivity and high yield. In this process, the (poly)alkylene glycol monoalkyl ether is...
6369280 Process for preparing alkyl ethers and mixtures thereof  
The invention relates to a process for preparing tertiary alkyl ethers, in particular MTBE, ETBE or mixtures of these ethers with heavier ethers. According to the process the feedstock containing...
6362386 Method and device for obtaining isobutenes from conjugated hydrocarbons  
A process for isolating isobutene from a hydrocarbon mixture by a) combining the C 4 -hydrocarbon mixture with a primary C 3 - or C 4 -alkanol; b) reacting the isobutene in the C 4 -hydrocarbon...
6346509 Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition  
A higher secondary alcohol alkoxylate compound composition represented by the general formula (1): [wherein R 1 and R 2 represent an alkyl group provided that the total number of carbon atoms...
6335473 Method for conducting exothermic reactions  
A process for oligomerization of C 4 and C5 isoolefins or the etherification thereof with C 1 to C 6 alcohols wherein the reactants are contacted first in a partial liquid phase reactor (boiling...
6329555 Preparation of substituted butenes  
Described is a process for preparing substituted butenes of the formula I and/or II, ##STR1## where the radical R is unsubstituted or mono- or di-C 1 -C 10 -alkoxy-substituted or mono- or...
6278029 Process for eliminating polar compounds on an etherification unit  
A process for eliminating at least pollutants including polar compounds present in a first fluid, with said first fluid sent to a subsequent treatment, e.g., an etherification process: a) the...
6262314 Process for preparation of ethers in a catalytic distillation column  
A process for preparing ethers includes the steps of: providing a feedstock containing iso-olefins selected from the group consisting of C5 iso-olefins, C6 iso-olefins and mixtures thereof; mixing...
6232509 Etherification process  
A process for the separation and recovery of methyl tertiary butyl ether from mixed C4/C 5 streams, such as resulting from the co-production of methyl tertiary butyl ether and tertiary amyl methyl...
6232508 Process for manufacturing ether and high purity butene-1  
A process for the manufacture of ether from a feedstock containing isoolefins and linear olefins. The process is one which has a high conversion of isoolefins thereby permitting the separation of...
6218582 Method for the reduced formation of tertiary butyl alcohol in a finishing reactor in the manufacture of methyl tertiary butyl ether  
A method for the preparation of methyl tertiary butyl ether is provided wherein a mixture of methanol and substantially peroxides-free tertiary butyl alcohol are catalytically reacted to form a...
6207845 Aluminum compounds and use thereof  
An aluminum compounds represented by the following general formula (1): Al(R 1 --SO 3 ) 1 (R 2 ) m (R 3 ) n (1) wherein R 1 is a hydrocarbon group which may be substituted, R 2 is a...
6197163 Process for removing impurities from petroleum products  
The impurity content, e.g. propionitrile, in a fraction containing C 5 or C 6 tertiary olefins obtained by cracking hydrocarbons is reduced by distilling with an alkanol and removing the impurity...
6159344 Reaction and distillation device  
The invention relates to a distillation and reaction device having a reaction section and a distillation-reaction section. The distillation-reaction section has a distillation zone with at least...
6156947 Process for the production of butene-1 from a mixture of C.sub.4 olefins  
A simplified process for jointly producing butene-1 and ether in a catalytic distillation column which comprises an upper catalytic zone for etherification and a lower catalytic zone for...
6149879 Modular device that comprises a reaction zone and a separation zone  
The invention relates to a modular device that comprises a reaction zone that includes a catalyst bed and a zone for separation by distillation, as well as independent circulation channels for...
6143936 Process for producing an ether and an olefin from a hydrocarbon cut containing at least one tertiary olefin by synthesizing then decomposing an ether, comprising a first step for purifying the olefin by washing with water  
A process for producing an ether and an olefin from a hydrocarbon cut containing at least one tertiary olefin, comprises synthesis of at least one tertiary alkyl ether then fractionation to obtain...
6107526 Process for producing ethyl tertiary butyl ether  
A catalytic distillation process for producing high purity ethyl tertiary butyl ether that contains less than 0.6 weight percent ethanol, and preferably less than 0.07 weight percent ethanol, has...
6069284 Process for separating diisopropyl ether from isopropyl alcohol and water  
A process to separate diisopropyl ether from a mixture of diisopropyl ether, isopropyl alcohol, and water has been developed. The process begins with distilling, in a distillation column, the...
6049012 Catalyst and process for the production of alkyl tert alkyl ether from hydrocarbon feedstocks with high levels of sulfur  
A catalyst for production of alkyl tert alkyl ether from sulfur contaminated feedstock includes an ion exchange resin; a palladium first metal phase supported on the resin; and a sulfur inhibiting...
6037502 Etherification process  
This invention provides an improved etherification process that reduces the amount of acidic-ion-exchange-resin catalyst that is deactivated by nitriles. This process uses a water phase to remove...
6023002 Process for preparing hydrofluoroethers  
Described is a reaction of a fluorinated alkoxide with an alkyl fluorovinylalkyl ether, the alkyl fluorovinylalkyl ether having alpha-beta carbon-carbon unsaturation relative to the ether oxygen,...
6017371 Composition and method for producing a multiple boiling point ether gasoline component  
A composition and method for producing a multiple boiling point ether gasoline component is provided. A mixed alcohol composition including predominantly C 1 -C 3 alcohols is reacted with an...
6005150 Process for the production of butene-1 from a mixture of C4 olefins  
A simplified process for jointly producing butene-1 and ether in a catalytic distillation zone which comprises an upper catalytic zone for etherification and a lower catalytic zone for...
5998675 Process for preparing tertiary alkyl ethers  
A process for preparing tertiary alkyl ethers comprises the steps of reacting C 4 -7 isoolefins of an olefinic hydrocarbon feedstock with an alkanol in the presence of a first catalyst in a...
5981818 Integrated cracking and olefins derivative process utilizing dilute olefins  
A novel process is provided which integrates the cracking of hydrocarbon containing feedstocks with the olefins purification and olefins derivative process utilizing dilute olefin feedstocks.
5962750 Process that involves the optimum etherification of a hydrocarbon fraction that contains olefins that have 6 carbon atoms per molecule  
A process for treating a feedstock containing olefins of 6 carbon atoms per molecule, said olefins being either potentially etherifiable or (directly) etherifiable, wherein isomerization of a...
5914430 Process for producing ether compound  
Ether compounds, which are useful as solvents, cosmetics, detergents, lubricants, emulsifiers and so on, are produced by reacting (a) a hydroxy compound with a carbonyl compound of (b) a carbonyl...
5912191 Process for preparing alkyl tert-butyl ethers and di-n-butene from field butanes  
A process for the coupled production of alkyl tert-butyl ethers and butene oligomers from a mixture containing isobutane and n-butane. The isobutane is converted to the alkyl tert-butyl ether and...
5908964 Process for preparing alkyl ethers and mixtures thereof  
The invention concerns a process for preparing a tertiary alkyl ether product. The process comprises reacting the isoolefins of an olefinic hydrocarbon feedstock in a reaction zone (1-3) with an...
5866388 Containers for solid granular materials manufacture thereof and use for catalyst purposes and adsorption  
In the field of bringing fluids into contact with solid materials, the invention relates to the use of a container which is suitable for granular materials. The container, of a material which is...
Matches 1 - 50 out of 395 1 2 3 4 5 6 7 8 >