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Class Information
Number: 423/239.1
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Nitrogen or nitrogenous component > Utilizing solid sorbent, catalyst, or reactant
Description: Process in which the treating material is a solid and functions to (a) modify a component, (b) attract and retain a component, or (c) react with and chemically change a component.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5510092 |
Integrated catalytic/non-catalytic process for selective reduction of nitrogen oxides |
Apr. 23, 1996 |
| 5505919 |
Method for the denitration of exhaust gas |
Apr. 9, 1996 |
| 5500194 |
Hybrid low NO.sub.x process for destruction of bound nitrogen compounds |
Mar. 19, 1996 |
| 5498399 |
Process for removing nitrogen oxides |
Mar. 12, 1996 |
| 5494587 |
Process for the catalytic deodorization of and reduction of the nitrogen content in liquid manure tank effluents |
Feb. 27, 1996 |
| 5492676 |
Denitrification system |
Feb. 20, 1996 |
| 5492682 |
Hydrogen purification |
Feb. 20, 1996 |
| 5490977 |
Removal of CO, hydrocarbons and NO.sub.x with catalyst containing platinum rhodium |
Feb. 13, 1996 |
| 5489420 |
Nitrogen oxides reducing agent and a phosphate |
Feb. 6, 1996 |
| 5478530 |
Hot mix asphalt plant with catalytic reactor |
Dec. 26, 1995 |
| 5476828 |
Catalyst and catalytic reduction |
Dec. 19, 1995 |
| 5474751 |
Method and apparatus for reducing the nitrogen oxides in flue gas |
Dec. 12, 1995 |
| 5474965 |
Catalyst for catalytic reduction of nitrogen oxide |
Dec. 12, 1995 |
| 5472673 |
Exhaust gas purification device for an engine |
Dec. 5, 1995 |
| 5472677 |
Method for decomposing N.sub.2 O utilizing catalysts comprising calcined anionic clay minerals |
Dec. 5, 1995 |
| 5464599 |
Process for purifying a gas to remove nitrogen monoxide therefrom |
Nov. 7, 1995 |
| 5462693 |
Air purifying agent and a process for producing same |
Oct. 31, 1995 |
| 5462718 |
System for decreasing NO.sub.x emissions from a fluidized bed reactor |
Oct. 31, 1995 |
| 5463168 |
Process for the removal of hydrogen cyanide from FCC hydrocarbon product gas streams |
Oct. 31, 1995 |
| 5457958 |
Method and apparatus for reducing nitrogen oxides in the exhaust gas of an internal combustion engine |
Oct. 17, 1995 |
| 5456807 |
Method and apparatus for treating nitrogen oxide-containing gas streams using a combined electrochemical-sorbent approach |
Oct. 10, 1995 |
| 5456891 |
Process for the purification of contaminated exhaust gases from incineration plants |
Oct. 10, 1995 |
| 5456892 |
Nitrogen oxide decomposition |
Oct. 10, 1995 |
| 5457268 |
Selective oxidation catalysts for halogenated organics |
Oct. 10, 1995 |
| 5449495 |
Nitrogen oxide removal control apparatus |
Sep. 12, 1995 |
| 5447703 |
Process for combustion of sulfur-containing carbonaceous materials |
Sep. 5, 1995 |
| 5443805 |
Reduction of combustion effluent pollutants |
Aug. 22, 1995 |
| 5439868 |
Absorbents for removing low-concentration nitrogen oxides |
Aug. 8, 1995 |
| 5437851 |
Combined heat exchanger and ammonia injection process |
Aug. 1, 1995 |
| 5435980 |
Method of improving the Hg-removing capability of a flue gas cleaning process |
Jul. 25, 1995 |
| 5435981 |
Method of adsorbing and removing nitrogen oxides |
Jul. 25, 1995 |
| 5433935 |
Method for reducing nitrogen oxides in flue gases with an arsenic resistant catalyst |
Jul. 18, 1995 |
| 5431893 |
Cleaning exhaust gases from combustion installations |
Jul. 11, 1995 |
| 5431894 |
Prevention of ammonia decomposition |
Jul. 11, 1995 |
| 5424044 |
Integrated SCR electrostatic precipitator |
Jun. 13, 1995 |
| 5422085 |
Catalytic conversion of internal combustion engine exhaust gases |
Jun. 6, 1995 |
| 5417948 |
Process for cleaning harmful gas |
May. 23, 1995 |
| 5415850 |
Pillared interlayered clay catalysts for the selective reduction of nitrogen oxides with ammonia |
May. 16, 1995 |
| 5416055 |
Catalysts for emission control of aldehyde |
May. 16, 1995 |
| 5413699 |
FCC process with fines tolerant SCR reactor |
May. 9, 1995 |
| 5413771 |
SOX/NOX sorbent and process of use |
May. 9, 1995 |
| 5413976 |
Exhaust gas purification catalyst |
May. 9, 1995 |
| 5409681 |
Catalyst for purifying exhaust gas |
Apr. 25, 1995 |
| 5407649 |
Method for reducing the emission of NO.sub.x in a combustion process |
Apr. 18, 1995 |
| 5407652 |
Method for decomposing N20 utilizing catalysts comprising calcined anionic clay minerals |
Apr. 18, 1995 |
| 5401473 |
Method and apparatus for treatment of NF.sub.3 gas |
Mar. 28, 1995 |
| 5401478 |
Selective catalytic reduction of nitrogen oxides |
Mar. 28, 1995 |
| 5401479 |
Process for the removal of nitrogen oxides from off-gases |
Mar. 28, 1995 |
| 5399324 |
Two-stage catalyst system for lean burn engines |
Mar. 21, 1995 |
| 5397545 |
Catalytic converter for converting reactants of a gas mixture |
Mar. 14, 1995 |
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