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Class Information
Number: 204/157.3
Name: Chemistry: electrical and wave energy > Processes and products > Processes of treating materials by wave energy > Removing a component from normally gaseous mixture
Description: Subject matter in which an initial normally gaseous or vaporous mixture is treated by wave energy so as to remove therefrom by a chemical reaction or change to a different chemical form at least one of the components therein, resulting in a heterogeneous composition.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8480861 Method of treating gas Jul. 9, 2013
8431098 Gas purification using photocatalytic vortex-suspended particles Apr. 30, 2013
8343317 In situ cleaning of CVD System exhaust Jan. 1, 2013
8328997 Chemical synthesis comprising heat treatment by intermittent dielectric heating combined with a recycling system Dec. 11, 2012
8277565 Method for cleaning tanks Oct. 2, 2012
8257649 Hydroxyl generator Sep. 4, 2012
8192704 Spent nuclear fuel recycling with plasma reduction and etching Jun. 5, 2012
8048391 Purifier comprising a photocatalytic filter Nov. 1, 2011
8012242 Adsorbent mediated reduction of organic chemicals from solid building materials Sep. 6, 2011
7981389 Process using microwave energy and a catalyst to crack hydrocarbons Jul. 19, 2011
7972564 Combined labyrinthine fluid sterilizing apparatus Jul. 5, 2011
7896292 Reactive component reduction system and methods for the use thereof Mar. 1, 2011
7828940 Onsite chemistry air filtration system Nov. 9, 2010
7824469 Method and apparatus for fluid purification Nov. 2, 2010
7732060 Sheet for treating gaseous ingredient and electroluminescent element employing the same Jun. 8, 2010
7694916 Catalytic reactive component reduction system and methods for the use thereof Apr. 13, 2010
7641874 Microwave induced destruction of impurities from biogas and nitrogen oxides from engine exhaust Jan. 5, 2010
7547892 Air sterilizing system Jun. 16, 2009
7498009 Controlled spectrum ultraviolet radiation pollution control process Mar. 3, 2009
7468171 Process using microwave energy and a catalyst to decompose nitrogen oxides Dec. 23, 2008
7279088 Catalytic electrode, cell, system and process for storing hydrogen/deuterium Oct. 9, 2007
7198698 Method of photochemically removing ammonia from gas streams Apr. 3, 2007
7189978 Air sterilizing system Mar. 13, 2007
7163615 Method of treating substance to be degraded and its apparatus Jan. 16, 2007
7156957 UV induced oxidation of nitric oxide Jan. 2, 2007
RE39313 Procedure and filter device for removal and/or destruction of organic substances in contaminated air Oct. 3, 2006
7022747 Method for creating microsphere polymers and particles Apr. 4, 2006
7018514 Method and apparatus for processing substances to be decomposed Mar. 28, 2006
6964755 Method for producing high activity photocatalyst, photoactivity catalyst, and method for treating hydrogen sulfide for recovering hydrogen gas under low energy by using high activity photocata Nov. 15, 2005
6955794 Slot discharge non-thermal plasma apparatus and process for promoting chemical reaction Oct. 18, 2005
6843973 Krypton and xenon recovery system Jan. 18, 2005
6841075 Permeable composite material, method for producing said composite material, and use of the same Jan. 11, 2005
6818193 Segmented electrode capillary discharge, non-thermal plasma apparatus and process for promoting chemical reactions Nov. 16, 2004
6773555 Method for treating exhaust gas Aug. 10, 2004
6770174 Photochemical system and method for removal for formaldehyde from industrial process emissions Aug. 3, 2004
6699577 Air purification-functioning road and method for purifying polluted air over road Mar. 2, 2004
6699370 Process and system for decomposing pollutants Mar. 2, 2004
6671303 Closed-loop purging system for laser Dec. 30, 2003
6585863 Photocatalytic degradation of organic compounds Jul. 1, 2003
6576092 Method for removal of mercury from various gas streams Jun. 10, 2003
6572737 Heat transfer with artificial dielectric device Jun. 3, 2003
6569395 Method and apparatus for flue gas desulfurization May. 27, 2003
6562309 Photocatalytic system May. 13, 2003
6541677 Photochemical system and method for the removal of PCDD or PCDF compounds from industrial process emissions Apr. 1, 2003
6538170 Polluted soil remediation apparatus, polluted soil remediation method, pollutant degrading apparatus and pollutant degrading method Mar. 25, 2003
6531035 Apparatus and method for low flux photocatalytic pollution control Mar. 11, 2003
6524536 Enhanced oxidation of air contaminants on an ultra-low density UV-accessible aerogel photocatalyst Feb. 25, 2003
6524447 Apparatus and method for photocatalytic purification and disinfection of water and ultrapure water Feb. 25, 2003
6517794 Method for removing nitrogen oxides from an oxygen-containing flue gas stream Feb. 11, 2003

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