 |
|
 |
| |
 |
|
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 |
| 5840649 |
NOx adsorbents |
Nov. 24, 1998 |
| 5841804 |
Method and apparatus for regenerating gas used in carbon dioxide laser generator |
Nov. 24, 1998 |
| 5837212 |
Potassium/manganese nitrogen oxide traps for lean-burn engine operation |
Nov. 17, 1998 |
| 5830346 |
FCC regenerator in partial CO burn with downstream air addition |
Nov. 3, 1998 |
| 5830421 |
Material and system for catalytic reduction of nitrogen oxide in an exhaust stream of a combustion process |
Nov. 3, 1998 |
| 5827489 |
V/Mo/W catalysts for the selective reduction of nitrogen oxides |
Oct. 27, 1998 |
| 5827490 |
Method for converting urea to ammonia |
Oct. 27, 1998 |
| 5820839 |
Process for the decomposition of hydrogen cyanide, ammonia, or mixtures thereof in the gas phase |
Oct. 13, 1998 |
| 5821190 |
Catalyst comprising iridium, alkaline metal, alkaline earth or rare earth metal, and metal carbide or metal nitride |
Oct. 13, 1998 |
| 5804152 |
Method for purifying exhaust gases |
Sep. 8, 1998 |
| 5800793 |
Process for reducing NO.sub.x from mobile source engine exhaust |
Sep. 1, 1998 |
| 5801114 |
Catalysts selective for the reduction of nitrogen oxides to nitrogen in an oxidizing medium, a process for their preparation and their use |
Sep. 1, 1998 |
| 5801117 |
Comprising supported silver sulfate or silver chloride or silver with sulfuric acid |
Sep. 1, 1998 |
| 5795553 |
Nitrogen oxide adsorbing material |
Aug. 18, 1998 |
| 5792436 |
Method for using a regenerable catalyzed trap |
Aug. 11, 1998 |
| 5792437 |
Filter material and method of removing oxides of nitrogen from gases and liquids |
Aug. 11, 1998 |
| 5788936 |
Catalyst system for converting emissions of a lean-burn engine |
Aug. 4, 1998 |
| 5785936 |
Simultaneous control of SO.sub.2, NO.sub.x, HCl, and particulates by in-furnace high-temperature sorbent injection and particulate removal |
Jul. 28, 1998 |
| 5785937 |
Method for the catalytic conversion of nitrogen oxides present in the exhaust gas of an internal-combustion engine |
Jul. 28, 1998 |
| 5780002 |
Exhaust gas cleaner and method for cleaning exhaust gas |
Jul. 14, 1998 |
| 5772973 |
Exhaust gas cleaner and method for removing nitrogen oxides |
Jun. 30, 1998 |
| 5766562 |
Diesel emission treatment using precious metal on titania aerogel |
Jun. 16, 1998 |
| 5758489 |
Sulfur tolerant Pt/lithium NOx traps |
Jun. 2, 1998 |
| 5759500 |
Fluid reactor with catalyst on floating tubesheet |
Jun. 2, 1998 |
| 5756057 |
Method for removal of nitrogen oxides from exhaust gas |
May. 26, 1998 |
| 5756059 |
Advanced reburning methods for high efficiency NO.sub.x control |
May. 26, 1998 |
| 5750082 |
Nox trap with improved performance |
May. 12, 1998 |
| 5750084 |
Fluidized-bed denitrating method |
May. 12, 1998 |
| 5746989 |
Method for purifying exhaust gas of a diesel engine |
May. 5, 1998 |
| 5747331 |
Process and apparatus for the purification of gases |
May. 5, 1998 |
| 5744113 |
Process and catalyst for decomposing oxides of nitrogen |
Apr. 28, 1998 |
| 5741468 |
Exhaust gas cleaner and method for cleaning exhaust gas |
Apr. 21, 1998 |
| 5736482 |
Catalysts for reducing nitrogen oxides to molecular nitrogen in a superstoichiometric medium of oxidizing compounds, process for preparation, and uses |
Apr. 7, 1998 |
| 5733837 |
Catalyst for catalytic reduction of nitrogen oxides |
Mar. 31, 1998 |
| 5728356 |
Methods of denitrating exhaust gases |
Mar. 17, 1998 |
| 5728357 |
Reduction of NO.sub.x emissions from rotary cement kilns by selective noncatalytic reduction |
Mar. 17, 1998 |
| 5723099 |
Method and apparatus for remediation of toxic flue gases |
Mar. 3, 1998 |
| 5723404 |
Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides |
Mar. 3, 1998 |
| 5714130 |
Exhaust gas cleaner and method for cleaning exhaust gas |
Feb. 3, 1998 |
| 5714432 |
Exhaust gas cleaner comprising supported silver or silver oxide particles |
Feb. 3, 1998 |
| 5710088 |
Lean-NO.sub.x catalysts containing silver supported on alumina |
Jan. 20, 1998 |
| 5705136 |
Catalyzed decomposition of nitrogen oxides on metal oxide supports |
Jan. 6, 1998 |
| 5693299 |
Process for the catalytic conversion of exhaust gases using cerium/zirconium mixed oxide catalyst |
Dec. 2, 1997 |
| 5693300 |
Process and apparatus for removing NO.sub.x from gas streams |
Dec. 2, 1997 |
| 5683587 |
Process for treating industrial wastes |
Nov. 4, 1997 |
| 5679314 |
Method for recovering ammonia adsorbent |
Oct. 21, 1997 |
| 5670124 |
Nitrogen-containing molecular sieving carbon, a process for preparing the same and use thereof |
Sep. 23, 1997 |
| 5670443 |
Exhaust gas cleaner and method for cleaning exhaust gas |
Sep. 23, 1997 |
| 5665321 |
Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making same |
Sep. 9, 1997 |
| 5658542 |
Exhaust gas cleaner and method for cleaning same |
Aug. 19, 1997 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
