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Class Information
Number: 585/737
Name: Chemistry of hydrocarbon compounds > Saturated compound synthesis > By isomerization > With preliminary treatment of paraffin feed
Description: Subject matter wherein the hydrocarbon feed is treated prior to the isomerization reaction by chemically modifying the feed or by separating nonhydrocarbons therefrom, or by separating the feed into several different fractions.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8513480 Hydroisomerization and isomerization process using reactive rectification column Aug. 20, 2013
8440875 Method and apparatus for high acid content feed for making diesel and aviation fuel May. 14, 2013
8388829 Deoxygenation of fatty acids for preparation of hydrocarbons Mar. 5, 2013
8366907 Deoxygenation of fatty acids for preparation of hydrocarbons Feb. 5, 2013
8314281 Light paraffin isomerization with improved feed purification Nov. 20, 2012
8142644 Process for hydrocracking and hydro-isomerisation of a paraffinic feedstock Mar. 27, 2012
8048290 Process for producing branched hydrocarbons Nov. 1, 2011
7967973 Process for producing a hydrocarbon component Jun. 28, 2011
7727379 Process to continuously prepare two or more base oil grades and middle distillates Jun. 1, 2010
7658836 Process for producing middle distillates by hydroisomerizing and hydrocracking feeds from the Fischer-Tropsch process using a multifunctional guard bed Feb. 9, 2010
7612246 Process for isomerization of a C7 fraction with co-production of an aromatic molecule-rich fraction Nov. 3, 2009
7594991 All catalytic medicinal white oil production Sep. 29, 2009
7485768 Processes for making higher octane motor fuels having a low reid vapor pressure from naphtha boiling range feedstocks Feb. 3, 2009
7384538 Catalyst combination for the hydroisomerization of waxy feeds at low pressure Jun. 10, 2008
7332638 Process for the production of triptane Feb. 19, 2008
7267758 Flexible method for producing oil bases and middle distillates with hydroisomerization-conversion followed by catalytic dewaxing Sep. 11, 2007
7250107 Flexible method for producing oil bases and distillates from feedstock containing heteroatoms Jul. 31, 2007
7217852 Process for producing middle distillates and middle distillates produced by that process May. 15, 2007
7037422 Process for producing high RON gasoline using CFI Zeolite May. 2, 2006
7029572 Process for producing high RON gasoline using ATS zeolite Apr. 18, 2006
6927314 Fractionation and treatment of full boiling range gasoline Aug. 9, 2005
6860909 Low emissions F-T fuel/cracked stock blends Mar. 1, 2005
6822131 Synthetic diesel fuel and process for its production Nov. 23, 2004
6759563 Liquid phase adsorptive separation with hexane desorbent and paraffin isomerization Jul. 6, 2004
6699385 Process for converting waxy feeds into low haze heavy base oil Mar. 2, 2004
6673977 Procedure and device for the alkylation of isobutane by light olefins Jan. 6, 2004
6602402 Flexible process for producing base stock and distillates by conversion-hydroisomerisation using a catalyst with low dispersion followed by catalytic dewaxing Aug. 5, 2003
6586650 Ring opening with group VIII metal catalysts supported on modified substrate Jul. 1, 2003
6420618 Premium synthetic lubricant base stock (Law734) having at least 95% noncyclic isoparaffins Jul. 16, 2002
6410814 Process for synthesis of lower isoparaffins from synthesis gas Jun. 25, 2002
6395950 Isomerization with adsorptive separation and dividing wall fractional distillation May. 28, 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
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
6124516 Catalyst composition and processes therefor and therewith Sep. 26, 2000
6103099 Production of synthetic lubricant and lubricant base stock without dewaxing Aug. 15, 2000
6008427 Total isomerization process with enhanced heat integration Dec. 28, 1999
5951847 Catalytic dehazing of lubricating base oils Sep. 14, 1999
5834522 Hydroisomerization treatment process for feeds from the fisher-tropsch process Nov. 10, 1998
5831139 Production of aliphatic gasoline Nov. 3, 1998
5814109 Diesel additive for improving cetane, lubricity, and stability Sep. 29, 1998
5770783 Alkane isomerization using reversible flow reactive chromatography Jun. 23, 1998
5763731 Process for selectively opening naphthenic rings Jun. 9, 1998
5756420 Supported hydroconversion catalyst and process of preparation thereof May. 26, 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
5689031 Synthetic diesel fuel and process for its production Nov. 18, 1997
5660714 Hydroconversion process utilizing a supported Ni-Cu hydroconversion catalyst Aug. 26, 1997
5530173 Process for alkane isomerization using reactive chromatography and reactive desorbent Jun. 25, 1996
5498810 Selective isoparaffin synthesis from naphtha Mar. 12, 1996
5463155 Upgrading of cyclic naphthas Oct. 31, 1995

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