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Class Information
Number: 585/820
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By contact with solid sorbent
Description: Subject matter wherein a solid mass is used to retain on its surface or inside its pores a constituent of a mixture from which hydrocarbon is to be recovered.










Sub-classes under this class:

Class Number Class Name Patents
585/831 Cyclic sorbate 60
585/822 Plural serial sorptions 109
585/823 Sorbate is nonhydrocarbon or chemically undetermined component, e.g., "color-former", etc. 168
585/830 Sorbent is or contains organic 48
585/825 With fractional or linear desorption, e.g., chromatography, etc. 126
585/821 With measuring, sensing, testing, or recycle of sorbate to same sorption zone 42
585/826 With specified sorbent rehabilitation procedure or agent, e.g., desorbent, etc. 206


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8702974 Desulphurisation process Apr. 22, 2014
8704031 Adsorptive process for separation of C.sub.8 aromatic hydrocarbons Apr. 22, 2014
8674161 Method for isolation and quantification of naphthenate forming acids ("ARN-acids") Mar. 18, 2014
8658848 Highly flexible process and apparatus for the simulated counter-current production of para-xylene Feb. 25, 2014
8658849 Process for the separation of unbranched hydrocarbons from their branched isomers Feb. 25, 2014
8637723 Process for the activation of a copper-, zinc- and zirconium oxide-comprising adsorption composition Jan. 28, 2014
8609925 Adsorbents with improved mass transfer properties and their use in the adsorptive separation of para-xylene Dec. 17, 2013
8598402 Butane absorption system for vent control and ethylene purification Dec. 3, 2013
8585804 Natural gas liquids recovery device and method Nov. 19, 2013
8586816 Recycling flush streams in adsorption separation process for energy savings Nov. 19, 2013
8586815 Method for the elimination of oxygen, nitrogen oxides, acetylenes, and/or dienes from hydrogen-rich olefin-containing gas mixtures Nov. 19, 2013
8580120 Reduction in flushing volume in an adsorptive separation system Nov. 12, 2013
8568513 Systems and methods for purifying unsaturated hydrocarbon(s), and compositions resulting therefrom Oct. 29, 2013
8569564 Separation system Oct. 29, 2013
8552246 Removal of carbon dioxide from paraffins Oct. 8, 2013
8551328 Organic chloride adsorbent Oct. 8, 2013
8536393 Integrated process to produce C4+ hydrocarbons with removal of brominated organic impurities Sep. 17, 2013
8536398 Method for purifying supply flows containing aromates by means of zeolites Sep. 17, 2013
8530717 Process for the industrial isolation of propene Sep. 10, 2013
8487155 Removal of light fluoroalkanes from hydrocarbon streams Jul. 16, 2013
8481797 Processes for maximizing high-value aromatics production utilizing stabilized crude benzene withdrawal Jul. 9, 2013
8460434 Methane recovery from a landfill gas Jun. 11, 2013
8436223 Separation of olefins from olefins/paraffins mixed gas May. 7, 2013
8431762 Production of high purity butene-1 from C4 olefins/paraffins mixed gas Apr. 30, 2013
8431764 Para-xylene-separation with aluminosilicate X-type zeolite compositions with low LTA-type zeolite Apr. 30, 2013
RE44125 Adsorption of volatile organic compounds derived from organic matter Apr. 2, 2013
8404917 Mixed matrix adsorbent for separation of gasoline components Mar. 26, 2013
8404916 Process for separating and/or introducing a flush material in an adsorption separation system Mar. 26, 2013
8389784 Method of producing propylene containing biomass-origin carbon Mar. 5, 2013
8361312 Methods for removal of colored- and sulfur-containing impurities from hydrocarbon streams Jan. 29, 2013
8350114 Separation system and method Jan. 8, 2013
8329975 Elimination of residual transfer line raffinate from feed to increase normal paraffin separation unit capacity Dec. 11, 2012
8322383 Cylinder preparation for high purity acetylene Dec. 4, 2012
8323581 Apparatus for separating para-xylene from a mixture of C8 and C9 aromatic hydrocarbons Dec. 4, 2012
8293963 Process for the crystallization separation of P-xylene Oct. 23, 2012
8282709 Removal of ethane from natural gas at high pressure Oct. 9, 2012
8283511 Ethylene production by steam cracking of normal paraffins Oct. 9, 2012
8273938 Heavy olefin production process Sep. 25, 2012
8262773 Method of purifying hydrocarbons and regeneration of adsorbents used therein Sep. 11, 2012
8262901 Adsorbing polynuclear aromatics from a reforming process using adsorbents containing iron Sep. 11, 2012
8236264 Adsorption composition and process for removing CO from material streams Aug. 7, 2012
8202414 Process for the purification of benzene feedstock containing contaminating sulfur compounds Jun. 19, 2012
8198502 Process for separating para-xylene from a mixture of C8 and C9 aromatic hydrocarbons Jun. 12, 2012
8168845 Separation process May. 1, 2012
8158843 Deep desulfurization of hydrocarbon fuels Apr. 17, 2012
8142647 Adsorption of dibenzothiophenes from hydrocarbon and model diesel feeds Mar. 27, 2012
8138369 Removal of branched dibenzothiophenes from hydrocarbon mixtures via charge transfer complexes with a TAPA-functionalized adsorbent Mar. 20, 2012
8133302 Process for purification of hydrocarbons Mar. 13, 2012
8129577 Process and system for providing acetylene Mar. 6, 2012
8124825 Method of purifying 2,7-dimethylnaphthalene Feb. 28, 2012

1 2 3 4 5 6 7 8 9










 
 
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