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Class Information
Number: 423/228
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Carbon dioxide or hydrogen sulfide component > Utilizing organic reactant > Amine
Description: Processes wherein the organic compound is one derived from ammonia by substituting an organic radical for at least one of the hydrogens.

Sub-classes under this class:

Class Number Class Name Patents
423/229 Ethanolamine 264

Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8709367 Carbon dioxide capture system and methods of capturing carbon dioxide Apr. 29, 2014
8702846 Process for removing acid gases from a gas stream Apr. 22, 2014
8703082 Method for capturing CO.sub.2 from exhaust gas Apr. 22, 2014
8652236 Method for recovery of high purity carbon dioxide Feb. 18, 2014
8652237 System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent Feb. 18, 2014
8641994 Method and plant for CO.sub.2 capturing Feb. 4, 2014
8641922 Regenerable and non-regenerable sorbents for acid gas removal Feb. 4, 2014
8636968 Method for UV photolytic separation of pollutant gases from an emission stream Jan. 28, 2014
8628743 Redox gas sweetening solutions Jan. 14, 2014
8613794 Process for producing a pressurised CO.sub.2 stream in a power plant integrated with a CO.sub.2 capture unit Dec. 24, 2013
8613865 Amidium-based ionic liquids for carbon dioxide absorption Dec. 24, 2013
8609049 Vapour suppression additive Dec. 17, 2013
8603226 Cyclic-amine-comprising absorption medium for removing acid gases Dec. 10, 2013
8597418 Absorbent, CO.sub.2 or H.sub.2S reducing apparatus, and CO.sub.2 or H.sub.2S reducing method using absorbent Dec. 3, 2013
8597411 Sorbents for the recovery and stripping of acid gases Dec. 3, 2013
8591843 Solvent for separating acid gas components from technical gases Nov. 26, 2013
8591846 Method and device for processing sour gas rich in carbon dioxide in a Claus process Nov. 26, 2013
8574453 Reversible room-temperature ionic liquids Nov. 5, 2013
8568520 CO.sub.2 recovery system and CO.sub.2 absorption liquid Oct. 29, 2013
8568676 Process for workup of a carbon dioxide-rich gas to be freed of sulfur components Oct. 29, 2013
8562927 Absorbent solution containing a breakdown inhibitor derived from thiazole or from oxazole and absorption process for acid compounds contained in a gaseous effluent Oct. 22, 2013
8557205 Method and device for separating of carbon dioxide from an exhaust gas of a fossil-fired power plant Oct. 15, 2013
8551435 Process for reducing contaminants in an industrial fluid stream Oct. 8, 2013
8545782 CO.sub.2 recovery apparatus and CO.sub.2 recovery method Oct. 1, 2013
8545783 Acid gas absorbent, acid gas removal method, and acid gas removal device Oct. 1, 2013
8541622 Acid gas scrubbing composition Sep. 24, 2013
8535419 Modular amine plant Sep. 17, 2013
8529857 Retention of amines in the removal of acid gases by means of amine absorption media Sep. 10, 2013
8523979 Removal of acid gases by means of an absorbent comprising a stripping aid Sep. 3, 2013
8523978 Method of deacidizing a gas by means of an absorbent solution with fractionated regeneration through heating Sep. 3, 2013
8524184 Sulfur recovery plant tail gas treatment process Sep. 3, 2013
8512660 Method and device for the absorptive removal of carbon dioxide from biogas Aug. 20, 2013
8512449 Oil-soluble triazine sulfide scavenger Aug. 20, 2013
8512448 Multi-stage scrubbing system and method for ethanol vent streams Aug. 20, 2013
8506683 Absorbent liquid, and apparatus and method for removing CO.sub.2 or H.sub.2S from gas with use of absorbent liquid Aug. 13, 2013
8506914 N-functionalized imidazole-containing systems and methods of use Aug. 13, 2013
8501135 Process for the removal of sulfur compounds from gas streams Aug. 6, 2013
8501130 Carbon dioxide recovery system and method Aug. 6, 2013
8501035 Absorption medium for removing acid gases from a fluid stream Aug. 6, 2013
8500865 Gas deacidizing method using an absorbent solution with demixing during regeneration Aug. 6, 2013
8500864 Method and plant for treating crude gas, in particular biogas, containing methane and carbon dioxide in order to produce methane Aug. 6, 2013
8486358 Carbon dioxide capture method, with optimized acid wash section Jul. 16, 2013
8486357 Desulfurization apparatus and method of using condensed water produced therein Jul. 16, 2013
8486356 Alkanolamines for CO.sub.2 removal from gas streams Jul. 16, 2013
8480796 Methods and formulations using carbonic anhydrase and reaction compound combinations Jul. 9, 2013
8476475 Premixture for preparing an absorbent for removing acidic gases from fluid streams Jul. 2, 2013
8470079 Separating CO.sub.2 from gas mixtures Jun. 25, 2013
8461335 Acid gas scrubbing composition Jun. 11, 2013
8444943 Methods and apparatus for sulfur recovery from acid gases May. 21, 2013
8420038 Method for removing contaminants from a fluid stream Apr. 16, 2013

1 2 3 4 5 6 7 8 9 10

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