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Class Information
Number: 585/731
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 > Sulfuric acid with additional nonhydrocarbon agent
Description: Subject matter wherein there is present during the process a sulfuric acid catalyst and an additional chemically effective agent which is a nonhydrocarbon.

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8461408 System and process for alkylation Jun. 11, 2013
8269057 System and process for alkylation Sep. 18, 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
7674945 Process for alkylation of an aromatic hydrocarbon or isoalkane with an olefin over the catalysis of a solid acid Mar. 9, 2010
7652187 Sulfuric acid alkylation process Jan. 26, 2010
7435864 Method and device for the production of alkylates Oct. 14, 2008
7256152 Composition of catalyst and solvent and catalysis processes using this composition Aug. 14, 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
6852902 Method of removing entrained sulfuric acid from alkylate Feb. 8, 2005
6774275 Pulse flow reaction Aug. 10, 2004
6296757 Synthetic diesel fuel and process for its production Oct. 2, 2001
5986158 Process for alkylating hydrocarbons Nov. 16, 1999
5969206 Reverse emulsion aliphatic alkylation process with catalyst-olefin premixing Oct. 19, 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
5888920 Integrated process using in situ regenerated sulfuric acid as catalyst Mar. 30, 1999
5849965 Multistage alkylation process Dec. 15, 1998
5817908 Staged alkylation process Oct. 6, 1998
5811626 Paraffin alkylation process Sep. 22, 1998
5811627 Alkylation reactions Sep. 22, 1998
5750818 Alkylation process May. 12, 1998
5731256 Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one C.sub.2 -C.sub.6 olefin Mar. 24, 1998
5723715 Isoparaffin-olefin alkylation Mar. 3, 1998
5689030 Method for prolonging the life of alkylation product stream defluorinator beds Nov. 18, 1997
5663474 Alkylation process using hydrogen fluoride-containing alkylation catalysts Sep. 2, 1997
5659105 Process for the alkylation of aliphatic hydrocarbons with olefins Aug. 19, 1997
5646086 Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one C.sub.2 -C.sub.6 olefin Jul. 8, 1997
5625113 Isoparaffin/olefin alkylation Apr. 29, 1997
5625114 Process for the recovery of spent acid catalyst Apr. 29, 1997
5574201 Alkylation process Nov. 12, 1996
5498820 Alkylation process Mar. 12, 1996
5493067 Solid superacid alkylation catalyst compositions and alkylation method using the same Feb. 20, 1996
5491278 Alkylation process using solid superacid catalyst liquid phase Feb. 13, 1996
5489560 Process for regenerating an impure catalyst comprising sulphuric acid deposited on silica Feb. 6, 1996
5489728 Catalyst for alkylation of C.sub.4 -C.sub.5 isoparaffin by at least one C.sub.3 -C.sub.6 olefin Feb. 6, 1996
5489729 Catalyst for alkylation of C.sub.4 -C.sub.5 isoparaffin by at least one C.sub.3 -C.sub.6 olefin Feb. 6, 1996
5489730 Catalyst for alkylation of C.sub.4 -C.sub.5 isoparaffin by at least one C.sub.3 -C.sub.6 olefin Feb. 6, 1996
5475184 Paraffin alkylation catalyst Dec. 12, 1995
5444175 Process for the alkylation of paraffins Aug. 22, 1995
5420093 Catalyst based on silica and sulfuric acid and its use for the alkylation of paraffins May. 30, 1995
5336833 Catalyst based on silica and sulphuric acid and its use for the alkylation of paraffins Aug. 9, 1994
5326924 Alkylation aid Jul. 5, 1994
5276242 Alkylation process Jan. 4, 1994
5258568 Single path alkylation method employing reduced acid inventory Nov. 2, 1993
5233119 Alkylation process and catalyst therefor Aug. 3, 1993
5189232 Method of making jet fuel compositions via a dehydrocondensation reaction process Feb. 23, 1993

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