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Class Information
Number: 585/730
Name: Chemistry of hydrocarbon compounds > Saturated compound synthesis > By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. > Using extraneous nonhydrocarbon agent > S-containing
Description: Subject matter wherein an extraneous agent is elemental sulfur or a sulfur compound.










Sub-classes under this class:

Class Number Class Name Patents
585/731 Sulfuric acid with additional nonhydrocarbon agent 72


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8569561 Method for revamping an HF or sulphuric acid alkylation unit Oct. 29, 2013
8507396 Regeneration of acidic catalysts Aug. 13, 2013
8461408 System and process for alkylation Jun. 11, 2013
8383874 Process for isoparaffin olefin alkylation Feb. 26, 2013
8153854 Gasoline alkylate RVP control Apr. 10, 2012
8084661 Extraction of ASO from spent sulfuric acid using liquid SO.sub.2 Dec. 27, 2011
8034988 Process for the alkylation of isobutane with dilute propylene Oct. 11, 2011
7977525 H.sub.2SO.sub.4 alkylation by conversion of olefin feed to oligomers and sulfate esters Jul. 12, 2011
7906700 Alkylation of isobutene feeds Mar. 15, 2011
7803979 Method for removing water from an alkylation process system Sep. 28, 2010
7750197 Alkylation process using a catalyst comprising a solid acid and a hydrogenation metal Jul. 6, 2010
7732363 Regeneration of acidic catalysts Jun. 8, 2010
7678957 Alkylation process with catalyst transfer Mar. 16, 2010
7652187 Sulfuric acid alkylation process Jan. 26, 2010
7528289 Isoparaffin-olefin alkylation May. 5, 2009
7446238 Alkylation process with recontacting in settler Nov. 4, 2008
7319180 Paraffin alkylation Jan. 15, 2008
7294420 Production of hydrogen Nov. 13, 2007
7250542 Paraffin alkylation Jul. 31, 2007
7161052 Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge Jan. 9, 2007
7126038 Method of removing entrained sulfuric acid from alkylate Oct. 24, 2006
7119244 Method of removing organic sulfur compounds from alkylate Oct. 10, 2006
7087803 Method for the recovery of perfluorinated sulphonic acid Aug. 8, 2006
6995296 Paraffin alkylation Feb. 7, 2006
6858770 Paraffin alkylation Feb. 22, 2005
6774275 Pulse flow reaction Aug. 10, 2004
6552241 Alkylation process Apr. 22, 2003
6531640 Catalyst of mixed fluorosulfonic acids Mar. 11, 2003
6492571 Process for alkylation of isoparaffin with olefin Dec. 10, 2002
6429349 Co-alkylation for gasoline RVP reduction Aug. 6, 2002
6426441 Method for reducing organic fluoride levels in hydrocarbons Jul. 30, 2002
6420305 Solid acid catalyst, method for producing the same and reaction method using the same Jul. 16, 2002
6337297 Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst Jan. 8, 2002
6204425 Process for the catalytic alkylation of a hydrocarbon feed Mar. 20, 2001
6123836 Process for the removal of acid compounds from a hydrocarbon stream Sep. 26, 2000
6103948 Solid catalyzed isoparaffin alkylation at supercritical fluid and near-supercritical fluid conditions Aug. 15, 2000
6096939 Aliphatic alkylation utilizing a liquid catalyst Aug. 1, 2000
5986158 Process for alkylating hydrocarbons Nov. 16, 1999
5969206 Reverse emulsion aliphatic alkylation process with catalyst-olefin premixing Oct. 19, 1999
5958350 Extraction vessel for the removal of corrosive compounds from a fluid stream Sep. 28, 1999
5942654 Process for the removal of corrosive compounds from a fluid stream Aug. 24, 1999
5925801 Process for preparing high-octane gasoline components, and a catalyst Jul. 20, 1999
5906957 Solid aliphatic alkylation catalyst May. 25, 1999
5888920 Integrated process using in situ regenerated sulfuric acid as catalyst Mar. 30, 1999
5877383 Process for the preparation of a hydrocarbon product being rich in middle distillate hydrocarbon fractionation Mar. 2, 1999
5849965 Multistage alkylation process Dec. 15, 1998
5849978 Liquid catalyst for aliphatic alkylation Dec. 15, 1998
5817908 Staged alkylation process Oct. 6, 1998
5811627 Alkylation reactions Sep. 22, 1998
5792896 Isoparaffin-olefin alkylation Aug. 11, 1998

1 2 3










 
 
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