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Class Information
Number: 95/129
Name: Gas separation: processes > Solid sorption > Inorganic gas or liquid particle sorbed (e.g., vapor, mist, etc.) > Nitrogen containing compound sorbed > Nitrogen oxide sorbed
Description: Process in which a nitrogen oxide (e.g., nitric oxide (NO), nitrogen dioxide (NO2










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702845 System and method for low NOx emitting regeneration of desiccants Apr. 22, 2014
8609026 Conversion of nitrogen dioxide (NO.sub.2) to nitric oxide (NO) Dec. 17, 2013
8609028 Conversion of nitrogen dioxide (NO.sub.2) to nitric oxide (NO) Dec. 17, 2013
8568512 Method and system for methane separation and purification from a biogas Oct. 29, 2013
8409329 Method for the purification of a gas containing CO.sub.2 using an adsorption purification unit Apr. 2, 2013
8366806 Pre-purification unit of cryogenic air separation unit, hydrocarbon adsorbent, and method of pre-treating feed air Feb. 5, 2013
8282715 Purifying carbon dioxide using activated carbon Oct. 9, 2012
8246721 Method for removing N.sub.2O from a gaseous flow Aug. 21, 2012
8246725 Conversion of nitrogen dioxide (NO.sub.2) to nitric oxide (NO) Aug. 21, 2012
8216344 Purifying carbon dioxide using activated carbon Jul. 10, 2012
8187544 Conversion of nitrogen dioxide (NO2) to nitric oxide (NO) May. 29, 2012
8182775 Dry-scrubbing media compositions and methods of production and use May. 22, 2012
8172925 Multi-functional cabin air filter May. 8, 2012
8075672 Method of removing nitrous oxide Dec. 13, 2011
8025860 Removal of acid mists Sep. 27, 2011
8012446 Recycle TSA regen gas to boiler for oxyfuel operations Sep. 6, 2011
8007573 Filter and associated method Aug. 30, 2011
8007555 Filter with multiple sections of different media Aug. 30, 2011
7935177 Method of purifying a gas stream contaminated by CO.sub.2 and one or more hydrocarbons and/or nitrogen oxides by adsorption on an aggregated zeolitic adsorbent May. 3, 2011
7931736 Pre-purification unit of cryogenic air separation unit, hydrocarbon adsorbent, and method of pre-treating feed air Apr. 26, 2011
7914743 Conversion of nitrogen dioxide (NO.sub.2) to nitric oxide (NO) Mar. 29, 2011
7850761 Method and apparatus for highly purifying nitric oxide for semiconductor Dec. 14, 2010
7824474 Molded Cu-ZSM5 zeolite adsorbent, method of activating the same, temperature swing adsorption apparatus, and method of purifying gas Nov. 2, 2010
7749312 Air conditioning system Jul. 6, 2010
7722704 Equipment and method for removing nitrogen oxide May. 25, 2010
7708804 Process and apparatus for the separation of a gaseous mixture May. 4, 2010
7527670 Method and apparatus for gas purification May. 5, 2009
7309378 Syngas purification process Dec. 18, 2007
7282083 Methods, systems, and uses for calixarenes Oct. 16, 2007
7273514 Apparatus and method for filtering particulate and NOx emissions Sep. 25, 2007
7238332 Material and process for the filtration of nitric acid and NO.sub.2 from streams of air Jul. 3, 2007
7128776 Periodic high temperature regeneration of thermal swing adsorption systems Oct. 31, 2006
7101415 Methods for regenerating process gas purifier materials Sep. 5, 2006
7101416 Method for purification of lens gases used in photolithography and metrology Sep. 5, 2006
7018442 Method and apparatus for regenerating NOx adsorbers Mar. 28, 2006
7014692 Scrubber Mar. 21, 2006
7011695 Barium-and calcium-based zeolitic adsorbent for gas purification in particular air Mar. 14, 2006
6989045 Apparatus and method for filtering particulate and reducing NOx emissions Jan. 24, 2006
6962616 Preparation of adsorbents from organic fertilizer and mineral oil and their application for removal of acidic gases from sulfur containing wet gas streams Nov. 8, 2005
6911064 Method and apparatus for the preparation of clean gases Jun. 28, 2005
6843831 Process for the purification of flue gas Jan. 18, 2005
6824588 Apparatus and method for purifying air used in cryogenic air separation Nov. 30, 2004
6743271 Air filter for gasoline and diesel engines Jun. 1, 2004
6733570 Method and apparatus for the preparation of clean gases May. 11, 2004
6723155 Purification of gas streams Apr. 20, 2004
6719827 Process for nitrous oxide removal Apr. 13, 2004
6616904 Method of removing nitrogen oxides using an ilmenite material Sep. 9, 2003
6592841 Adsorbent for nitrogen oxides and its treatment method Jul. 15, 2003
6576044 Process for the purification of nitric oxide Jun. 10, 2003
6572682 Self-cleaning filter system using direct electrically heated sintered metal fiber filter media Jun. 3, 2003

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