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Class Information
Number: 585/723
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 > Hf
Description: Subject matter wherein an agent is hydrogen fluoride.










Sub-classes under this class:

Class Number Class Name Patents
585/724 With additional nonhydrocarbon agent 125


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8658554 Catalytic support for use in carbon dioxide hydrogenation reactions Feb. 25, 2014
8569561 Method for revamping an HF or sulphuric acid alkylation unit Oct. 29, 2013
8507396 Regeneration of acidic catalysts Aug. 13, 2013
8501123 HF alkylation process with internal acid regeneration Aug. 6, 2013
8461408 System and process for alkylation Jun. 11, 2013
8269057 System and process for alkylation Sep. 18, 2012
8212098 HF alkylation process with internal acid regeneration Jul. 3, 2012
8124034 Alkylation unit and method of modifying Feb. 28, 2012
7972563 Alkylation system with catalyst transfer Jul. 5, 2011
7935320 Alkylation process with recontacting in settler May. 3, 2011
7906700 Alkylation of isobutene feeds Mar. 15, 2011
7847142 HF alkylation process with acid regeneration Dec. 7, 2010
7803979 Method for removing water from an alkylation process system Sep. 28, 2010
7732363 Regeneration of acidic catalysts Jun. 8, 2010
7678957 Alkylation process with catalyst transfer Mar. 16, 2010
7528289 Isoparaffin-olefin alkylation May. 5, 2009
7446238 Alkylation process with recontacting in settler Nov. 4, 2008
7371918 Alkylation process with settler effluent recycle May. 13, 2008
7319180 Paraffin alkylation Jan. 15, 2008
7294420 Production of hydrogen Nov. 13, 2007
7250542 Paraffin alkylation Jul. 31, 2007
7119243 Alkylation process with efficient effluent refrigeration Oct. 10, 2006
7038099 Environmentally safe alkylation of aliphatic and aromatic hydrocarbons with olefins using solid HF-equivalent catalysts May. 2, 2006
6995296 Paraffin alkylation Feb. 7, 2006
6943276 Alkylation process with efficient effluent refrigeration Sep. 13, 2005
6858770 Paraffin alkylation Feb. 22, 2005
6552241 Alkylation process Apr. 22, 2003
6429349 Co-alkylation for gasoline RVP reduction Aug. 6, 2002
6426441 Method for reducing organic fluoride levels in hydrocarbons Jul. 30, 2002
H2029 Environmental safety apparatus for airborne hydrogen fluoride recovery and method Jun. 4, 2002
6281405 Alkylation process using membrane for recovery of halides Aug. 28, 2001
6194625 Alkylation by controlling olefin ratios Feb. 27, 2001
6187986 Fresh plant inventory hydrofluoric acid eduction process Feb. 13, 2001
6137021 Conversion of an HF alkylation unit Oct. 24, 2000
6043404 Removal of alkyl halides from hydrocarbon stream Mar. 28, 2000
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
5948947 Alkylation process with separate rejection of light and heavy acid soluble oils Sep. 7, 1999
5942654 Process for the removal of corrosive compounds from a fluid stream Aug. 24, 1999
5895831 Solid catalyst alkylation process Apr. 20, 1999
5859305 Method for optimizing hydrogen fluoride alxylation and increasing process safety Jan. 12, 1999
5841014 Alkylation by controlling olefin ratios Nov. 24, 1998
5811627 Alkylation reactions Sep. 22, 1998
5767335 Method for preventing the accumulation of light ASO in the alkylation catalyst of alkylation process system Jun. 16, 1998
5763728 Recovery and recycle of HF-amine complex in HF alkylation Jun. 9, 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
5659096 Combination of olefin oligomerization and paraffin alkylation Aug. 19, 1997
5648588 Method for removing sulfone and hydrogen fluoride from a hydrocarbon stream and producing a sulfone product free of hydrogen fluoride Jul. 15, 1997

1 2 3 4










 
 
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