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Class Information
Number: 585/717
Name: Chemistry of hydrocarbon compounds > Saturated compound synthesis > By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. > With preliminary treatment of feed
Description: Subject matter wherein the hydrocarbon feed is treated prior to the alkylation reaction, e.g., by separating nonhydrocarbon therefrom, by separating the feed into several different fractions, etc.

Patents under this class:

Patent Number Title Of Patent Date Issued
8524962 Use of olefin cracking to produce alkylate Sep. 3, 2013
8497404 Processes for upgrading fischer-tropsch condensate by olefin enrichment and alkylation of hydrocrackate Jul. 30, 2013
8436221 Processes for upgrading fischer-tropsch condensate olefins by alkylation of hydrocrackate May. 7, 2013
8203027 Continuous process and plant design for conversion of biogas to liquid fuel Jun. 19, 2012
8034988 Process for the alkylation of isobutane with dilute propylene Oct. 11, 2011
7977525 H.sub.2SO.sub.4 alkylation by conversion of olefin feed to oligomers and sulfate esters Jul. 12, 2011
7902412 Use of olefin cracking to produce alkylate Mar. 8, 2011
7781634 Treatment of olefin feed to paraffin alkylation Aug. 24, 2010
7723555 Paraffin alkylation process May. 25, 2010
7581589 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid Sep. 1, 2009
7449612 Paraffin alkylation process Nov. 11, 2008
6768035 Manufacture of high octane alkylate Jul. 27, 2004
6743962 Preparation of high octane alkylate from Fischer-Tropsch olefins Jun. 1, 2004
6395945 Integrated hydroisomerization alkylation process May. 28, 2002
5777189 Process for the alkylation of olefins Jul. 7, 1998
5744686 Process for the removal of nitrogen compounds from an aromatic hydrocarbon stream Apr. 28, 1998
5675052 Hydrocarbon alkylation process Oct. 7, 1997
5648586 Alkylation with separate alkylation of isobutane with pentenes Jul. 15, 1997
5649281 Alkylation with separate alkylation of isobutane with pentenes Jul. 15, 1997
5639930 Process of producing alkylates Jun. 17, 1997
5475175 Process for the production of alkylate gasoline from FCC light aliphatics Dec. 12, 1995
5347066 Alkylation process for reacting an olefin feed being substantially free of isobutylene which utilizes a hydrogen fluoride and sulfone catalyst Sep. 13, 1994
5347064 Multiple split feed isoparaffin-olefin alkylation Sep. 13, 1994
5254790 Integrated process for producing motor fuels Oct. 19, 1993
5159129 H.sub.2 O addition in acid catalyzed processing Oct. 27, 1992
4950822 Olefin oligomer synlube process Aug. 21, 1990
4735703 Method of increasing the concentration of straight chain paraffin material Apr. 5, 1988
4429173 Production of high-octane, unleaded motor fuel by alkylation of isobutane with isoamylenes obtained by dehydrogenation of isopentane Jan. 31, 1984
4262155 Maximization of isoparaffin utilization in alkylation of hydrocarbons Apr. 14, 1981
4249030 Alkylation process Feb. 3, 1981
4243830 Alkylation process Jan. 6, 1981
4218569 Method for processing etherified light hydrocarbon mixtures to remove methanol Aug. 19, 1980
4211885 High octane gasoline components from catalytic cracking gasoline, propylene, and isobutane by disproportionation, cleavage and alkylation Jul. 8, 1980
4207423 Acid type hydrocarbon alkylation with acid-soluble oil addition Jun. 10, 1980
4180696 Converting reactive impurities in isobutane charge stream with catalyst phase in sulfuric acid alkylation Dec. 25, 1979
4177250 Method of removing acetylene and sulfur compounds from gases by absorption in dimethyl formamide Dec. 4, 1979
4167535 Isoparaffin-olefin alkylation utilizing liquefied normal paraffin concentrate in the reaction vessel Sep. 11, 1979
4154770 Isoparaffin-olefin alkylation utilizing a membrane to separate olefins from a feed stream May. 15, 1979
4144281 HF Alkylation process utilizing compressed isoparaffin vapor in indirect heat exchanges Mar. 13, 1979
4139573 Isoparaffin-olefin alkylation utilizing vaporization of normal paraffin to control the reaction temperature Feb. 13, 1979
4112010 Parallel alkylation zones with alkylate product and propane removal from a flash zone and a fractionation zone Sep. 5, 1978
4105707 Combination alkylation-reforming process Aug. 8, 1978
4086288 Acetylenes removal from olefin streams for alkylation by dimethyl formamide absorption Apr. 25, 1978
4065516 Combination isomerization-alkylation process Dec. 27, 1977
4035286 Octane upgrading of light naphtha streams using a fluoroalkanesulfonic acid-antimony pentafluoride mixture Jul. 12, 1977
4017263 Apparatus for sulfuric acid catalyzed alkylation process Apr. 12, 1977
4000212 Unitary acid-hydrocarbon reactor in hydrocarbon alkylation Dec. 28, 1976
3992474 Motor fuel production with fluid catalytic cracking of high-boiling alkylate Nov. 16, 1976
3972958 Conversion of coal to high octane gasoline Aug. 3, 1976

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