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7674945 Process for alkylation of an aromatic hydrocarbon or isoalkane with an olefin over the catalysis of a solid acid  
The present invention discloses a process for alkylation of an aromatic hydrocarbon or isoalkane with an olefin over the catalysis of a solid acid, comprising contacting a reaction material...
7294420 Production of hydrogen  
A method of producing hydrogen for a fuel cell from a hydrocarbon fuel composition, by providing a hydrocarbon fuel composition, which is obtained by contacting a liquid hydrocarbon feed comprising...
6492571 Process for alkylation of isoparaffin with olefin  
This invention relates to a process for alkylation of an isoparaffin with an olefin over a solid-acid catalyst, wherein at least two parallel reactors are used at the same time. When the solid acid...
6337297 Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst  
A catalyst for trimerization of ethylene is disclosed which comprises (a) a chromium complex having a neutral multidentate ligand having a tripod structure, represented by the formula, ACrJnQ3-n...
6103948 Solid catalyzed isoparaffin alkylation at supercritical fluid and near-supercritical fluid conditions  
This invention relates to an improved method for the alkylation reaction of isoparaffins with olefins over solid catalysts including contacting a mixture of an isoparaffin, an olefin and a...
6103947 Alkylation of alkanes with mixtures of alkenes and alkyl halides  
Although alkenes commonly are used to alkylate alkanes using various solid acid catalysts, the process is severely hampered by short catalyst lifetimes attending substantial alkene oligomerization....
5744682 Alkylation process using a catalyst with non-uniform metal dispersion  
A novel catalyst for alkylating an alkene with an alkane to give an alkylate product has been developed. The catalyst comprises a refractory inorganic oxide on which is dispersed a Group VIII...
5731256 Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin  
The present invention concerns a catalyst comprising a porous organic or mineral support, preferably silica, and an acidic phase containing B(OSO2 CF3)3 and at least one acid selected from the...
5489729 Catalyst for alkylation of C4 -C5 isoparaffin by at least one C3 -C6 olefin  
The present invention relates to a catalyst comprising silica and an acid phase comprising sulphuric acid and the compound HB(HSO4)4, the silica having been impregnated by said acid phase, said...
5475184 Paraffin alkylation catalyst  
Catalyst comprising a porous mineral or organic support and a mixture constituted by sulphuric acid, trifluoromethanesulphonic acid and, optionally, water. The invention also relates to a method...
5457257 Isoparaffin/olefin alkylation with minimal acid inventory  
A process for alkylating an isoparaffin with an olefin in the presence of a catalyst comprising HF, BF3, and a hydroxylic promoter wherein the total acid dosage as defined herein is less than about...
5414187 Acid catalyst and use thereof in alkylation of olefins with tertiary alkanes  
The present invention provides a process for the conversion of a reactant into a reaction product in the presence of a novel acid catalyst complex comprising an organosulfonic acid having the...
5396018 Method of recovery acid catalyst from acid catalyzed processes  
Process for the recovery of acid catalyst from acid catalyzed hydrocarbon conversion processes comprising the steps of: passing a product stream of converted hydrocarbons leaving the hydrocarbon...
5365010 Method for regenerating Lewis acid-promoted transition alumina catalysts used for isoparaffin alkylation by calcination  
This invention is a process for the regeneration of a catalyst system component comprising certain transition aluminas promoted with a Lewis acid (preferably BF3) which have been used in the...
5347064 Multiple split feed isoparaffin-olefin alkylation  
An isoparaffin-olefin alkylation process is disclosed which improves alkylate quality by segregating the olefin feed into intermediate feedstreams which are enriched in propene, 1-butene, and/or...
5345027 Alkylation process using co-current downflow reactor with a continuous hydrocarbon phase  
A continuous alkylation process for the production of high octane gasoline comprising contacting a mixture of an isoparaffin and an olefin with a catalyst complex comprising BF3:H3 PO4 in a...
5326923 Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction  
This invention is a process for the regeneration of solid acidic hydrocarbon conversion catalysts, but particularly certain transition aluminas and zeolites promoted with Lewis acids (preferably...
5321197 Processes using solid-acid catalyst composition  
New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or hydroxide of molybdenum, and (3) an...
5310868 Processes using solid-acid catalyst compositions  
New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or hydroxide of a Group VI, VII or VIII...
5258569 Isoparaffin-olefin alkylation process with zeolite MCM-36  
The alkylation of isoparaffin with olefin to provide alkylate is carried out in the presence of, as catalyst, MCM-36.
5254793 Alkylation process and catalyst therefor  
A composition of matter, which is an effective alkylation catalyst composition, is prepared by a method comprising heating, at a temperature of about 40°-90° C., (a) aluminum chloride, (b) boron p...
5254792 Isoparaffin:olefin alkylation in the presence of synthetic porous MCM-49  
The invention provides an isoparaffin: olefin alkylation process comprising contacting isoparaffin and olefin with a synthetic porous crystalline material which is characterized, in its uncalcined...
5245101 Isoparaffin:olefin alkylation process and catalyst complex  
The invention provides a catalyst complex for promoting alkylation of an isoparaffin with an olefin, said catalyst complex comprising the reaction product of BF3 and at least one selected from the...
5221777 Isoparaffin:olefin alkylation process employing Lewis-acid promoted pillared layered silicate  
A process is provided for alkylating an isoparaffin with an olefin comprising effecting reaction of isoparaffin and olefin in the presence of an alkylation catalyst complex comprising a Lewis acid...
5220096 Liquid acid alkylation catalyst composition and isoparaffin:olefin alkylation process  
The invention provides an isoparaffin:olefin alkylation catalyst composition comprising at least one acid selected from the group consisting of hydrofluoric acid and the halogen-substituted...
5191148 Isoparaffin/olefin alkylation  
The present invention provides a process for alkylating an isoparaffin with an olefin comprising contacting an isoparaffin having from 4 to 8 carbon atoms with an olefin having from 2 to 12 carbon...
5157197 Isoparaffin alkylation using a lewis acid promoted transition alumina catalyst  
This invention is a process for the alkylation of isoparaffin with olefins using a catalyst system comprising certain transition aluminas promoted with a Lewis acid (preferably BF3), and free Lewis...
5120897 Isoparaffin/olefin alkylation  
The present invention provides a Lewis acid-catalyzed isoparaffin/olefin alkylation process in which acid consumption and energy costs are decreased by employing an acid sorption stage to separate...
5120895 Low acid inventory alkylation  
A process and apparatus are disclosed for acid continuous alkylation of a hydrocarbon-containing feedstream in which the inventory of acid is reduced. The apparatus used combines a reactor, settler...
5095167 Isoparaffin:olefin alkylation process  
The present invention provides a process and apparatus for alkylating an isoparaffin with an olefin which decreases the required catalyst inventory while improving alkylate quality by internally...
5015795 Novel synthetic lube composition and process  
The thermal stability of synthetic lubricants composed of alpha-olefin oligomers is improved by reaction with an olefin such as decene or the lower molecular weight, non-lubricant range olefins...
5012033 Isoparaffin-olefin alkylation process and catalyst composition thereof  
Isoparaffin-olefin alkylation is carried out in the presence of a Lewis acid-promoted catalyst, said catalyst comprising a synthetic porous crystalline material characterized in its calcined form...
4992615 Isoparaffin-olefin alkylation process  
The alkylation of isoparaffin with olefin to provide alkylate is carried out in the presence of, as catalyst, a porous crystalline material characterized by an X-ray diffraction pattern including...
4992614 Reactivation of partially deactivated catalyst employing ultrasonic energy  
A solid catalyst composition which has undergone a partial loss of catalytic activity due to the accumulation of reaction product residue is treated in a chemical conversion process reaction zone...
4992616 Heterogeneous isoparaffin/olefin aklylation process  
The quality of alkylate resulting from the alkylation of isoparaffin with olefin in the presence of an alkylation catalyst comprising a large pore zeolite, e.g., zeolite Beta, and a Lewis acid,...
4956518 Heterogeneous isoparaffin/olefin alkylation  
An improved continuous process for alkylation of isoparaffins with olefins to yield a product which includes a large proportion of highly branced paraffins for making gasoline having improved...
4935577 Hydrocarbon processes comprised of catalytic distillation using Lewis acid promoted inorganic oxide catalyst systems  
This invention relates to catalytic distillation utilizing Lewis acid promoted non-zeolitic inorganic oxide, large pore crystalline molecular sieve and/or ion exchange resin systems. Alkylation and...
4918255 Heterogeneous isoparaffin/olefin alkylation with isomerization  
An improved process for alkylation of isoparaffins with olefins to yield a product which includes a high proportion of highly branched paraffins for making gasoline having improved octane is...
4751341 Oligomerization of olefins with BF3 treated zeolite  
A modified ZSM-5 type zeolite is provided by treatment of a ZSM-5 type zeolite with BF3. The novel product is characterized by reduced pore size and enhanced shape-selectivity, or by enhanced...
4560825 Adamantane derivative/surfactant catalyzed paraffin-olefin alkylation  
Disclosed is an alkylation process comprising the step of contacting a paraffinic compound, capable of forming a carbonium ion under strong acid conditions, with an olefin in the presence of a...
4454366 Method of recovering and recycling boron trifluoride catalyst  
Spent boron trifluoride catalyst is removed from organic liquids by contacting the liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer product...
4433197 Removing boron trifluoride from coordination compound contaminants in organic liquids  
Boron trifluoride is removed from coordination compounds contaminating organic liquids by contacting the contaminated liquid with silica. For example, boron trifluoride is removed from a boron...
4426545 Adamantyl carboxylic and sulfonic acid catalyzed paraffin-olefin alkylation  
A process is described for paraffin-olefin alkylation under strong acid conditions in which an adamantylalkyl carboxylic acid or sulfonic acid is used to substantially improve the efficiency of...
4384162 Removing boron trifluoride contaminant from organic liquids with polyvinyl alcohol  
Boron trifluoride contaminant is removed from organic liquids by contacting the contaminated liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer...
4384161 Heterogeneous isoparaffin/olefin alkylation  
An improved process for alkylation of isoparaffins with olefins to yield a product which includes a high proportion of highly branched alkylates for blending into gasolines. The improved process...
4357481 Adamantane catalyzed paraffin-olefin alkylation  
A process is described for paraffin-olefin alkylation under strong acid conditions in which an adamantane hydrocarbon is used to substantially increase the reaction rate of the alkylation.
4357482 Aminoalkyl adamantane catalyzed paraffin-olefin alkylation  
A process is described for paraffin-olefin alkylation under strong acid conditions in which an aminoalkyladamantane hydrocarbon is used to substantially improve the reaction.
4083885 Alkylation with catalyst of graphite containing intercalated fluoride  
Intercalation of a Lewis acid fluoride in graphite is effected in the presence of gaseous fluorine. The reaction results in new compositions useful as catalysts and as atmospheric pressure...
3976714 Normal paraffin alkylation with a catalyst of a Lewis acid and group VIII metal intercalated in graphite  
Normal paraffin alkylation with an alkylating agent, i.e. olefin, alkylhalide or alcohol, is effected in the presence of a catalyst of graphite having intercalated in the lattice thereof between...
3914110 Alkylation reaction cooler  
An alkylation reaction cooler for contacting acid catalysts with alkylation reactants. A heat exchanger, a plurality of baffles and a plurality of spray nozzle assemblies are disposed within a...
Matches 1 - 50 out of 71 1 2 >