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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6271430 |
Preparation of propene |
Aug. 7, 2001 |
| 6271429 |
Process for isomerizing and dehydrogenating aromatic compounds containing eight carbon atoms with different catalysts |
Aug. 7, 2001 |
| 6225516 |
Process for the production of linear alkylaromatic hydrocarbons |
May. 1, 2001 |
| 6218589 |
Method for improving the operation of a propane-propylene splitter |
Apr. 17, 2001 |
| 6194626 |
Process for the purification of a diolefin hydrocarbon stream from a naphtha steam cracker |
Feb. 27, 2001 |
| 6150578 |
Recovery process for wet aromatic alkylation and dry aromatic transalkylation |
Nov. 21, 2000 |
| 6121501 |
Process for preparing 2,6-dialkylnaphthalene |
Sep. 19, 2000 |
| 6096935 |
Production of alkyl aromatics by passing transalkylation effluent to alkylation zone |
Aug. 1, 2000 |
| 6031143 |
Process for the production of styrene |
Feb. 29, 2000 |
| 6025533 |
Oligomer production with catalytic distillation |
Feb. 15, 2000 |
| 6018086 |
Process for preparing 2,6-dialkylnaphthalene |
Jan. 25, 2000 |
| 6011189 |
Method of producing rigid foams and products produced therefrom |
Jan. 4, 2000 |
| 5990369 |
Process for producing light olefins |
Nov. 23, 1999 |
| 5981818 |
Integrated cracking and olefins derivative process utilizing dilute olefins |
Nov. 9, 1999 |
| 5955640 |
Integrated process for the production of butene-1 |
Sep. 21, 1999 |
| 5914433 |
Process for producing polymer grade olefins |
Jun. 22, 1999 |
| 5902917 |
Alkylaromatics production |
May. 11, 1999 |
| 5877372 |
Isobutylene oligomerization using isooctane diluent |
Mar. 2, 1999 |
| 5865985 |
Process for the production of diesel |
Feb. 2, 1999 |
| 5831139 |
Production of aliphatic gasoline |
Nov. 3, 1998 |
| 5811608 |
Process for oligomer production and saturation |
Sep. 22, 1998 |
| 5763716 |
Process for the production of hydrocarbons |
Jun. 9, 1998 |
| 5744670 |
Process for preparing dialkylnaphthalene |
Apr. 28, 1998 |
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