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Patent No. 6055910

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Class 585/332 - And preliminary isomerization or polymerization


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein a material undergoing the alkylation
No. of patents: 78
Last issue date: 02/14/2012


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NumberTitleIssue Date
8115040Composition of a superior lubricant or lubricant blendstock
A composition of a superior lubricant or lubricant component having a very high VI, a low cloud point, a difference between the T90 and T10 boiling points of at least 250° F. by SIMDIST, and a very low Bromine Number. ...
02/14/2012
7973205Process to make a lubricant component by oligomerizing and alkylating at a molar ratio of olefin to isoparaffin of at least 0.8
We provide a process to make a lubricant component, comprising: a. oligomerizing a feed comprising one or more olefins in an ionic liquid oligomerization zone, at oligomerization conditions, to form an oligomer; and b. alkylating the oligomer in the presence of an i...
07/05/2011
7973204Process to make base oil from thermally cracked waxy feed using ionic liquid catalyst
We provide a process for making a base oil, comprising: a) selecting an olefin feed produced by thermal cracking of a waxy feed; b) oligomerizing the olefin feed in an ionic liquid oligomerization zone at a set of oligomerization conditions to form an oligomer; and ...
07/05/2011
7915468Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins
A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1-butene with an isomerization catalyst under conditions favoring the isomerization of 1-butene to 2-buten...
03/29/2011
7601879Paraffin alkylation
A process for paraffin alkylation of isoalkane with isoolefins in which an olefin component comprising oligomerized propylene, oligomerized isoolefin or mixtures thereof is fed to a paraffin alkylation unit wherein the dissociated olefin components forming the oligo...
10/13/2009
7572944Process for making and composition of superior lubricant or lubricant blendstock
A process for making and a composition of a superior lubricant or lubricant component by the oligomerization of a mixture comprising olefins and isoparaffins to produce an alkylated (“capped”) olefin oligomer having a very high VI and a low cloud point. The proc...
08/11/2009
7572943Alkylation of oligomers to make superior lubricant or fuel blendstock
A process and method for making a superior lubricant or distillate fuel component by the oligomerization of a mixture comprising olefins to form an oligomer and the alkylation of the oligomer with isoparaffins to produce an alkylated (“capped”) olefin oligomer p...
08/11/2009
7553999Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins
A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1-butene with an isomerization catalyst under conditions favoring the isomerization of 1-butene to 2-buten...
06/30/2009
7439410Integrated alkylation-isomerization process
An integrated isomerization-alkylation process is disclosed that uses a common distillation zone. The process can comprise halogen removal. The process is suitable for the production of motor fuels from isoparaffins and olefins using solid alkylation and isomerizati...
10/21/2008
7329788Process for producing gasoline components
Process for producing gasoline components. The process comprises feeding a fresh olefinic hydrocarbon feedstock to a reaction zone, in which its structure is first isomerized. The isomerized hydrocarbon is drawn out of the first reaction zone and conducted to a seco...
02/12/2008
7319180Paraffin alkylation
A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers...
01/15/2008
7250542Paraffin alkylation
A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers...
07/31/2007
7227047Butadiene and isobutylene removal from olefinic streams
A process is disclosed for selectively removing isobutene and butadiene from a stream, the process comprising contacting the stream with a hydrogenation catalyst to hydrogenate butadiene and an oligomerization catalyst to oligomerize isobutene. ...
06/05/2007
7161052Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge
A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge of hydrocarbons into a fraction (O1) comprising essentially compounds ...
01/09/2007
7148392Separation of 1-butene from Cfeed streams
In a process for selectively separating 1-butene from a C4 feed stream comprising at least 1-butene, cis-2-butene and trans-2-butene, the feed stream is passed through a first bed of an adsorbent comprising a crystalline microporous material to form a sub...
12/12/2006
6919016Process for the utilization of refinery C4 streams
A process is disclosed for preparing a C4 stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C4 stream is treated in a first distillation column reactor to remove dienes and mercaptans and s...
07/19/2005
6897345Process for the production of hydrocarbons with a high octane number starting from mixtures of n-butane/isobutane such as field butanes
A process is described for the production of hydrocarbons with a high octane number starting from mixtures essentially consisting of n-butane and isobutane (such as for example field butanes) comprising a skeleton isomerization section, a dehydrogenation section of ...
05/24/2005
6872862Propylene production
A method for making propylene from alpha olefins, internal linear olefins and isoolefins wherein the alpha olefins are subjected to a combination of hydrogenation and double bond isomerization to form additional internal linear olefins, the internal linear olefins a...
03/29/2005
6849773Process for the utilization of refinery C4 streams
A process is disclosed for preparing a C4 stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C4 stream is treated in a first distillation column reactor to remove dienes and mercaptans and s...
02/01/2005
6768035Manufacture of high octane alkylate
A Fischer-Tropsch C3-C4 olefin stream is simultaneously dehydrated and isomerized to convert alcohols to olefins and 1-butenes to 2-butenes and thereby lower the oxygenate content. Another Fischer-Tropsch fraction is hydrotreated and hydrocrack...
07/27/2004
6686510Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms
A process for production, from an olefinic C4 fraction, on the one hand, of high-purity isobutene and, on the other hand, of propylene by metathesis is described. The process comprises three successive stages: 1) the selective hydrogenation of butad...
02/03/2004
6673977Procedure and device for the alkylation of isobutane by light olefins
A procedure for the alkylation of isobutane by olefinic hydrocarbons, in which a first hydrocarbon charge (3) rich in isobutane is put in contact with a second hydrocarbon charge rich in light olefins (2), under conditions that will provoke the alkylation...
01/06/2004
6395945Integrated hydroisomerization alkylation process
A novel integrated olefin processing scheme is provided where olefins and paraffins are processed to produce high octane gasoline blending components. The integrated process involves the processing of olefins by hydroisomerization to produce a hydroisomer...
05/28/2002
6333442Process for the preparation of an aliphatic alkylate with a high octane number from a C4 cracking fraction
An aliphatic alkylate with a high octane number is prepared from a C4 catalytic cracking or steam-cracking fraction that contains mainly isobutane, isobutene, butene-1 and butenes-2 by: (a) hydro-isomerizing said C4 fraction, obtaining a mixture that contains ...
12/25/2001
5907072Multi-stage process for treating N-paraffins
A multi-stage process for treating n-paraffin feed is provided, including the steps of: (a) providing an n-paraffin feed; (b) contacting the n-paraffin feed with a dehydroisomerization catalyst under dehydroisomerization conditions so as to provide a dehy...
05/25/1999
5898091Process and plant for the conversion of olefinic C4 and C5 cuts to an ether and to propylene
For the conversion of an olefinic C4 or C5 cut to an alkyl-tertiobutylether or alkyl-tertioamylether and to propylene, by metathesis, the process comprises four successive steps: (1) selective hydrogenation of the diolefins with simu...
04/27/1999
5895830Process for oligomer production and saturation
A process for the production of C8 alkene isomers by the oligomerization of light olefins to heavier olefins is improved by the addition of heavy paraffins to the oligomerization zone. The recycle of the heavy paraffins improves the selectivity...
04/20/1999
5753583Supported palladium catalyst
A supported palladium catalyst having a palladium content of from 0.001 to 2 wt %, in which palladium is present, substantially in the absence of promotor metal, in the form of a layer having a thickness of less than 5000 nm forming a shell around the sup...
05/19/1998
5684220Process for reducing the vapor pressure of gasoline by removing amylenes therefrom and enhancing the octane thereof
A method for reducing the vapor pressure of a gasoline pool by removing amylenes therefrom. The blending octane of gasoline is enhanced by the dimerization of the amylene followed by alkylating the resultant dimate product so as to produce an alkylate end...
11/04/1997
5672795Balanced alkylation feed from etherification and isomerization
An etherification process combines an alkylation zone with a skeletal olefin isomerization zone in an arrangement that rejects isoalkanes and normal alkanes with only minor loss of valuable olefin isomers. The invention also provides a balanced feed to an...
09/30/1997
5659096Combination of olefin oligomerization and paraffin alkylation
In a process for alkylating C4 -C18 alkenes in the presence of an acid catalyst, propylene is separated from the alkenes feed, the propylene is oligomerized to oligomers containing maily propylene tetramers, and the propylene oligome...
08/19/1997
5633416Fuel produced by a process comprising etherification of a hydrocarbon fraction comprising olefins containing 5 to 8 carbon atoms
An internal combustion engine fuel is produced from a mixture of hydrocarbons comprising olefinic hydrocarbons containing 5 to 8 carbon atoms characterized in that it is produced by a process comprising a) a catalytic etherification step for at least a po...
05/27/1997
5498811Process for producing gasolines and jet fuel from n-butane
Polymeric fuels are produced from saturated C4 hydrocarbons by a process comprising: (A) dehydroisomerizing a gas mixture comprising predominantly of n-butane and hydrogen in a catalytic reactor containing a catalyst (a) of platinum supported o...
03/12/1996
5475175Process for the production of alkylate gasoline from FCC light aliphatics
This invention provides a process for upgrading hydrocarbon feedstock comprising the steps of: (i) recovering a C4 -rich aliphatic stream from a catalytic cracking process; (ii contacting said C4 -rich aliphatic stream with an isomerizati...
12/12/1995
5416176Method for controlling the feed composition to a process for polymerizing isobutylene
A process for processing a cracked feed stream so as to provide a feed stream, having a requisite concentration of isobutylene and butene-1, to a polymerization unit for polymerization of isobutylene....
05/16/1995
5254748Methyl-tertiary ether production
A method for integrating several petroleum refining processes so as to efficiently produce tertiary alkyl ether compounds from a feed stream containing both saturated and unsaturated hydrocarbons is disclosed. An important step for forming isoolefins in t...
10/19/1993
5254790Integrated process for producing motor fuels
An integrated process for converting C4 /C5 hydrocarbons contained in a gasoline feedstock to more valuable motor fuel components includes various distillation steps, a hydroisomerization step, an etherification step (for producing t...
10/19/1993
5134242Catalytic olefin upgrading process using synthetic mesoporous crystalline material
A process for upgrading aliphatic feedstocks containing lower olefins employing new synthetic catalyst of ultra-large pore crystalline material. The new crystalline material exhibits unusually large sorption capacity demonstrated by its benzene adsorption...
07/28/1992
5134241Multistage olefin upgrading process using synthetic mesoporous crystalline material
A process for upgrading olefinic feedstocks containing lower olefins employing new synthetic catalyst of ultra-large pore crystalline material. The new crystalline material exhibits unusually large sorption capacity demonstrated by its benzene adsorption ...
07/28/1992
5097012Solvent extraction of fatty acid stream with liquid water and elevated temperatures and pressures
A process for producing increased concentrations of valuable neutrals such as sterols and tocopherols from fatty and/or resin acid-containing streams, such as tall oil and vegetable oil distillate, employs liquid water at elevated temperatures and pressur...
03/17/1992
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