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Class Information
Number: 585/716
Name: Chemistry of hydrocarbon compounds > Saturated compound synthesis > By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. > Plural alkylation stages
Description: Subject matter in which the effluent from a paraffin alkylation reaction is sent to another paraffin alkylation reaction.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8552243 Process for preparing an alkylate Oct. 8, 2013
8383874 Process for isoparaffin olefin alkylation Feb. 26, 2013
8373014 Solid catalyst hydrocarbon alkylation using stacked moving bed radial flow reactors Feb. 12, 2013
8198499 Ionic liquid catalyzed alkylation process employing nozzles and system implementing such process Jun. 12, 2012
8124034 Alkylation unit and method of modifying Feb. 28, 2012
7935320 Alkylation process with recontacting in settler May. 3, 2011
7723555 Paraffin alkylation process May. 25, 2010
7692049 Hydrocarbon compositions useful for producing fuels and methods of producing the same Apr. 6, 2010
7678953 Olefin oligomerization Mar. 16, 2010
7667086 Olefin oligomerization and biodegradable compositions therefrom Feb. 23, 2010
7550644 Isobutane alkylation Jun. 23, 2009
7449612 Paraffin alkylation process Nov. 11, 2008
7371918 Alkylation process with settler effluent recycle May. 13, 2008
7304198 Staged alkylation in microchannels Dec. 4, 2007
7205445 Method of continuous production of polyalkylbiphenyls Apr. 17, 2007
7176340 Continuous process for the alkylation of hydrocarbons Feb. 13, 2007
6486374 Method and apparatus for alkylation using solid catalyst particles in a transport reactor Nov. 26, 2002
6194625 Alkylation by controlling olefin ratios Feb. 27, 2001
5849965 Multistage alkylation process Dec. 15, 1998
5841014 Alkylation by controlling olefin ratios Nov. 24, 1998
5817908 Staged alkylation process Oct. 6, 1998
5777189 Process for the alkylation of olefins Jul. 7, 1998
5744681 Paraffin alkylation process Apr. 28, 1998
5649281 Alkylation with separate alkylation of isobutane with pentenes Jul. 15, 1997
5648586 Alkylation with separate alkylation of isobutane with pentenes Jul. 15, 1997
5625113 Isoparaffin/olefin alkylation Apr. 29, 1997
5523503 Cocurrent simulated moving bed hydrocarbon alkylation process Jun. 4, 1996
5489732 Fluidized solid bed motor fuel alkylation process Feb. 6, 1996
5444175 Process for the alkylation of paraffins Aug. 22, 1995
5347064 Multiple split feed isoparaffin-olefin alkylation Sep. 13, 1994
5292981 Isoparaffin-olefin alkylation process Mar. 8, 1994
5220094 Alkylation recontractor with internal mixer Jun. 15, 1993
5185487 Combination acid recontactor-storage vessel Feb. 9, 1993
5019357 Reactor system for upgrading light olefins in staged reactors May. 28, 1991
4962268 Alkylation catalyst isolation Oct. 9, 1990
4926003 Process for combining the regeneratorless operation of tandem super-dense riser and fluid-bed oligomerization reactors containing a zeolite oligomerization catalyst May. 15, 1990
4855524 Process for combining the operation of oligomerization reactors containing a zeolite oligomerization catalyst Aug. 8, 1989
4777316 Manufacture of distillate hydrocarbons from light olefins in staged reactors Oct. 11, 1988
4579998 HF alkylation with product recycle employing two reactors Apr. 1, 1986
4429173 Production of high-octane, unleaded motor fuel by alkylation of isobutane with isoamylenes obtained by dehydrogenation of isopentane Jan. 31, 1984
4384161 Heterogeneous isoparaffin/olefin alkylation May. 17, 1983
4377721 Alkylation of isoparaffins with olefins Mar. 22, 1983
4371731 Alkylation process Feb. 1, 1983
4304947 Catalytic alkylation of hydrocarbons Dec. 8, 1981
4249030 Alkylation process Feb. 3, 1981
4220806 Plural stages of hydrofluoric acid alkylation utilizing separated acid phase as catalyst in the subsequent stage Sep. 2, 1980
4214115 Alkylation process utilizing plural olefinic reactants Jul. 22, 1980
4205196 Acid-type hydrocarbon alkylation with acid recycle streams at spaced points of a vertically-disposed elongated reactor May. 27, 1980
4161497 HF alkylation introducing separate olefins in vertically extended reactor Jul. 17, 1979
4046516 Hydrogen fluoride-catalyzed alkylation apparatus Sep. 6, 1977

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