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Class Information
Number: 208/188
Name: Mineral oils: processes and products > Refining > Water removal (dehydration) > With treating agent
Description: Processes wherein a material is added to facilitate the removal of the water or resolution of the mineral oil-water system.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8653148 Microwave process and apparatus for breaking emulsions Feb. 18, 2014
8618180 Hyperbranched polyesters and polycarbonates as demulsifiers for cracking crude oil emulsions Dec. 31, 2013
8545705 Apparatus and process for isomerizing a hydrocarbon stream Oct. 1, 2013
8545706 Apparatus and process for isomerizing a hydrocarbon stream Oct. 1, 2013
8507565 Polyorganosiloxane demulsifier compositions and methods of making same Aug. 13, 2013
8444849 Devices and processes for deasphalting and/or reducing metals in a crude oil with a desalter unit May. 21, 2013
8440727 Hydrocarbon extraction by oleophilic beads from aqueous mixtures May. 14, 2013
8431017 Gel assisted separation method and dewatering/desalting hydrocarbon oils Apr. 30, 2013
8425777 Method of separating a mixture, and a plant for separating a mixture comprising water, oil and gas Apr. 23, 2013
8257579 Method for the well-head treatment of heavy and extra-heavy crudes in order to improve the transport conditions thereof Sep. 4, 2012
8246835 Apparatus and process for isomerizing a hydrocarbon stream Aug. 21, 2012
8177985 Methods for separating oil and water May. 15, 2012
8168062 Composition and method for breaking water in oil emulsions May. 1, 2012
8163068 Apparatus and process for isomerizing a hydrocarbon stream Apr. 24, 2012
8147678 Devices and processes for deasphalting and/or reducing metals in a crude oil with a desalter unit Apr. 3, 2012
8147679 Process and system improvement for improving and recuperating waste, heavy and extra heavy hydrocarbons Apr. 3, 2012
8101086 Oil/water separation of full well stream by flocculation-demulsification process Jan. 24, 2012
8043858 Dynamic desalter simulator Oct. 25, 2011
8030363 Polyorganosiloxane demulsifier compositions and methods of making the same Oct. 4, 2011
7981979 Siloxane cross-linked demulsifiers Jul. 19, 2011
7867382 Processing unconventional and opportunity crude oils using one or more mesopore structured materials Jan. 11, 2011
7799213 Additives to enhance phosphorus compound removal in refinery desalting processes Sep. 21, 2010
7780854 Methods for separating oil and water Aug. 24, 2010
7745501 Method for demulsifying Jun. 29, 2010
7690445 Oil contaminated substrate treatment method and apparatus Apr. 6, 2010
7691258 Process for treating hydrocarbon liquid compositions Apr. 6, 2010
7662275 Methods of managing water in oil shale development Feb. 16, 2010
7517458 Process obtaining landfill disposable wasted from hydrocarbon containing sludge Apr. 14, 2009
7455763 Recycling process for demetalization of hydrocarbon oil Nov. 25, 2008
7442311 Emulsion and effluent treatment processes Oct. 28, 2008
7396433 Process and arrangement for separating oil from oil containing materials Jul. 8, 2008
7323342 Method for improving oil desalting by forming unstable water-in-oil emulsions Jan. 29, 2008
7250107 Flexible method for producing oil bases and distillates from feedstock containing heteroatoms Jul. 31, 2007
7108780 Oil desalting by forming unstable water-in-oil emulsions Sep. 19, 2006
7097761 Method of removing water and contaminants from crude oil containing same Aug. 29, 2006
7077950 Continuous process for the removal of water from a hydrocarbon stream Jul. 18, 2006
7014773 Demulsification of emulsions by socillatory mixing Mar. 21, 2006
6774276 Method and system for transporting a flow of fluid hydrocarbons containing water Aug. 10, 2004
6740229 Method for drying the charge from a unit that treats petroleum cuts with a low water charge May. 25, 2004
6673239 Hydrocarbon purificatin system regeneration Jan. 6, 2004
6566410 Methods of demulsifying emulsions using carbon dioxide May. 20, 2003
6423210 Process for dehydrating a mineral oil or other solvents for the preparation of moisture-in-oil or moisture-in-solvent standards Jul. 23, 2002
6383367 Method and apparatus for separating water from oil May. 7, 2002
6310106 Method for demulsifying emulsions Oct. 30, 2001
6260620 Process of separating excess water or sludge from recovered crude petroleum oil Jul. 17, 2001
6228239 Crude oil desalting method May. 8, 2001
RE37046 Process for recycling and purifying condensate from a hydrocarbon or alcohol synthesis process Feb. 6, 2001
6165360 Method and device for dehydrating heavy oils Dec. 26, 2000
6120678 Desalting adjunct chemistry Sep. 19, 2000
6106700 Method of treating crude oil with an amine oxide compound Aug. 22, 2000

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