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Class Information
Number: 585/315
Name: Chemistry of hydrocarbon compounds > Plural serial diverse syntheses > With hydrocarbon recycle from later to earlier synthesis
Description: Subject matter in which hydrocarbon material effluent from one synthesis is passed to a diverse synthesis through which diverse synthesis zone the hydrocarbon or its precursor has passed before.

Sub-classes under this class:

Class Number Class Name Patents
585/316 Earlier synthesis is condensation or alkyl transfer 66

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8524970 Process and plant for producing synthetic fuels Sep. 3, 2013
8389784 Method of producing propylene containing biomass-origin carbon Mar. 5, 2013
8373015 Production of saturated C2 to C5 hydrocarbons Feb. 12, 2013
8367883 Synthetic naphtha manufacturing method Feb. 5, 2013
8367886 Reactive distillation for the dehydration of mixed alcohols Feb. 5, 2013
8273930 Process for producing ethylene from ethanol combining the catalytic conversion of hydrocarbons Sep. 25, 2012
8221706 Apparatus for multi-staged hydroprocessing Jul. 17, 2012
8163967 Oxygenate conversion to olefins with enhanced carbonyl recovery Apr. 24, 2012
8148587 Method for producing light olefins from methanol or/and dimethyl ether Apr. 3, 2012
8148588 Process for preparing polyolefins in suspension Apr. 3, 2012
8148589 Reactive distillation with olefin recycle Apr. 3, 2012
8071833 Production of olefins Dec. 6, 2011
7960599 Method for making industrial chemicals Jun. 14, 2011
7923590 Production of alkylaromatic compounds Apr. 12, 2011
7919660 Methods of converting methanol feedstock to olefins Apr. 5, 2011
7897826 Process and plant for oligomerization/polymerization of ethylene and/or alphaolefins Mar. 1, 2011
7803330 Process for enhanced olefin production Sep. 28, 2010
7678951 Method for adjusting the high heating value of gas in the LNG chain Mar. 16, 2010
RE41136 Process for preparing 2,6-dialkylnaphthalene Feb. 16, 2010
7655825 Method for the production of synthetic fuels from oxygenates Feb. 2, 2010
7638665 Isomerization of benzene-containing feedstocks Dec. 29, 2009
7595427 Process for production of styrene by catalytic gas phase dehydrogenation of ethylbenzene Sep. 29, 2009
7534925 Isomerization of benzene-containing feedstocks May. 19, 2009
7531704 Isomerization of benzene-containing feedstocks May. 12, 2009
7524467 Process for the production of alkylbenzene Apr. 28, 2009
7517506 Process for the production of alkylbenzene with ethane stripping Apr. 14, 2009
7476773 Process for preparing a gas oil by oligomerization Jan. 13, 2009
7411101 Production of alkylaromatic compounds Aug. 12, 2008
7273542 Process and apparatus for recovering olefins Sep. 25, 2007
7271304 Process and apparatus for the production of diesel fuels by oligomerisation of olefinic feed streams Sep. 18, 2007
RE39222 Process for preparing 2,6-dialkylnaphthalene Aug. 1, 2006
7067708 Process for the preparation of p-xylene Jun. 27, 2006
7030284 Method and reactor system for converting oxygenate contaminants in an MTO reactor system product effluent to hydrocarbons Apr. 18, 2006
7012102 Fischer-tropsch process Mar. 14, 2006
6897345 Process for the production of hydrocarbons with a high octane number starting from mixtures of n-butane/isobutane such as field butanes May. 24, 2005
6846965 Method for the oligomerization of C2 C8-olefins Jan. 25, 2005
6717024 Slurry hydrocarbon synthesis with liquid hydroisomerization in the synthesis reactor Apr. 6, 2004
6649803 Slurry hydrocarbon synthesis with isomerization zone in external lift reactor loop Nov. 18, 2003
6646172 Preparation of propene Nov. 11, 2003
6600081 Process for the preparation of p-xylene Jul. 29, 2003
6596912 Conversion of methane to C4+ aliphatic products in high yields using an integrated recycle reactor system Jul. 22, 2003
6503465 Two-stage isomerization of saturated C6 hydrocarbons Jan. 7, 2003
6479721 Alkylation process operating at low olefin ratios Nov. 12, 2002
6433240 Preparation of propene and, if desired, 1-butene Aug. 13, 2002
6398946 Process for making a lube base stock from a lower molecular weight feedstock Jun. 4, 2002
6380450 Process for producing indene Apr. 30, 2002
6339179 Production of alkyl aromatics by passing transalkylation effluent to alkylation zone and to product recovery zone Jan. 15, 2002
6303839 Process for producing polymer grade olefins Oct. 16, 2001
6271429 Process for isomerizing and dehydrogenating aromatic compounds containing eight carbon atoms with different catalysts Aug. 7, 2001
6271430 Preparation of propene Aug. 7, 2001

1 2 3 4

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