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Class Information
Number: 585/738
Name: Chemistry of hydrocarbon compounds > Saturated compound synthesis > By isomerization > With specified isomerizate purification or separation procedure
Description: Subject matter wherein the effluent from the isomerization reaction is treated, usually by a series of steps, to improve its quality or purity in some way.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8692046 Process for isomerizing a feed stream including one or more C4-C6 hydrocarbons Apr. 8, 2014
8071044 Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery Dec. 6, 2011
7981376 Processes for the isomerization of normal butane to isobutane Jul. 19, 2011
7727376 Process to prepare base oil from a Fisher-Tropsch synthesis product Jun. 1, 2010
7638676 Processes for the isomerization of feedstocks comprising paraffins of 5 to 7 carbon atoms Dec. 29, 2009
7638675 Processes for the isomerization of normal butane to isobutane Dec. 29, 2009
7638674 Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery Dec. 29, 2009
7594991 All catalytic medicinal white oil production Sep. 29, 2009
7514590 Isomerization process with adsorptive separation Apr. 7, 2009
7485768 Processes for making higher octane motor fuels having a low reid vapor pressure from naphtha boiling range feedstocks Feb. 3, 2009
7435865 Method for separating hydrocarbons and use of a zeolite therefor Oct. 14, 2008
7252753 Dielectric fluids and processes for making same Aug. 7, 2007
7223898 Isomerization process May. 29, 2007
6809228 Process combining hydroisomerisation and separation using a zeolitic adsorbent with a mixed structure for the production of high octane number gasolines Oct. 26, 2004
6759563 Liquid phase adsorptive separation with hexane desorbent and paraffin isomerization Jul. 6, 2004
6702937 Process for upgrading Fischer-Tropsch products using dewaxing and hydrofinishing Mar. 9, 2004
6573417 Fractionation of paraffin isomerization process effluent Jun. 3, 2003
6503465 Two-stage isomerization of saturated C6 hydrocarbons Jan. 7, 2003
6420618 Premium synthetic lubricant base stock (Law734) having at least 95% noncyclic isoparaffins Jul. 16, 2002
6407303 Isomerization process with adsorptive separation and integrated fractional distillation Jun. 18, 2002
6395950 Isomerization with adsorptive separation and dividing wall fractional distillation May. 28, 2002
6380452 Isomerization process using membrane for recovery of halides Apr. 30, 2002
6353144 Process for chromatographic separation of a C5-C8 feed or an intermediate feed into three effluents, respectively rich in straight chain, mono-branched and multi-branched paraffins Mar. 5, 2002
6338791 High octane number gasolines and their production using a process associating hydro-isomerization and separation Jan. 15, 2002
6337010 Process scheme for producing lubricating base oil with low pressure dewaxing and high pressure hydrofinishing Jan. 8, 2002
6156950 Process for separating a C5-C8 feed or an intermediate feed into three effluents, respectively rich in straight chain, non-branched and multi-branched paraffins Dec. 5, 2000
6140547 Isomerization of hydrocarbons Oct. 31, 2000
6133496 Two-stage isomerization of saturated C.sub. 6 hydrocarbons Oct. 17, 2000
6118036 Alkane isomerization using reversible flow Sep. 12, 2000
6069289 Process for separating and recovering multimethyl-branched alkanes May. 30, 2000
6008427 Total isomerization process with enhanced heat integration Dec. 28, 1999
6008164 Lubricant base oil having improved oxidative stability Dec. 28, 1999
5994607 Paraffin isomerization process comprising fractionation having at least two draw-off levels associated with at least two isomerization zones Nov. 30, 1999
5831140 Isomerization process comprising fractionation having at least two draw-off levels associated with at least two isomerization zones Nov. 3, 1998
5811630 PSA process with reaction for reversible reactions Sep. 22, 1998
5792897 Hydrocardon recovery from corrosive effluent stream Aug. 11, 1998
5770783 Alkane isomerization using reversible flow reactive chromatography Jun. 23, 1998
5763730 Process for alkane isomerization using reactive chromatography Jun. 9, 1998
5744683 Process for continuous reaction and deparation using reactive chromatography Apr. 28, 1998
5744684 Process for alkane isomerization using reactive chromatography and reactive desorbent Apr. 28, 1998
5705730 Isomerization process with improved chloride recovery Jan. 6, 1998
5639926 Process for producing a branched chain olefin by isomerization and transhydrogenation Jun. 17, 1997
5602291 Process for isomerizing C.sub.5 /C.sub.6 normal paraffins with recycling normal paraffins and methyl-pentanes Feb. 11, 1997
5565617 Process for purifying an alkylate stream Oct. 15, 1996
5534658 Process for reducing the benzene content of petrols Jul. 9, 1996
5530173 Process for alkane isomerization using reactive chromatography and reactive desorbent Jun. 25, 1996
5530172 Process for alkane isomerization using reactive chromatography Jun. 25, 1996
5453552 Isomerization and adsorption process with benzene saturation Sep. 26, 1995
5382731 Combined paraffin isomerization/ring opening process Jan. 17, 1995
5334792 Combined paraffin isomerization/ring opening process for c5+naphtha Aug. 2, 1994

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