| |
 |
|
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 |
| 4378338 |
Catalyst composition for removal of nitrogen oxides and a process for removal of nitrogen oxides |
Mar. 29, 1983 |
| 4375455 |
Method and apparatus for cooling and neutralizing acid gases |
Mar. 1, 1983 |
| 4364915 |
Process for recovery of carbon dioxide from flue gas |
Dec. 21, 1982 |
| 4360504 |
Simultaneous destruction of trace components in the reaction off-gas from the synthesis of melamine |
Nov. 23, 1982 |
| 4358428 |
Method of removing nitrogen oxides from waste gas by selective contact reduction |
Nov. 9, 1982 |
| 4351811 |
Process for reducing an eliminating nitrogen oxides in an exhaust gas |
Sep. 28, 1982 |
| 4350670 |
Process for treating flue gas |
Sep. 21, 1982 |
| 4341618 |
Process for the liquefaction of solid carbonaceous materials wherein nitrogen is separated from hydrogen via ammonia synthesis |
Jul. 27, 1982 |
| 4325432 |
Method of oil recovery |
Apr. 20, 1982 |
| 4325833 |
Three-stage catalyst regeneration |
Apr. 20, 1982 |
| 4325925 |
Method for the removal of nitric oxide from gas streams |
Apr. 20, 1982 |
| 4323542 |
Catalytic conversion of carbon monoxide, hydrocarbons and oxides of nitrogen |
Apr. 6, 1982 |
| 4323544 |
Process and sorbent system for removing nitrogen and other oxides from gas streams |
Apr. 6, 1982 |
| 4320100 |
Purification of gas mixtures |
Mar. 16, 1982 |
| 4314913 |
Catalyst for removing NO.sub.x from gas streams |
Feb. 9, 1982 |
| 4309392 |
Process for removing nitrogen oxides from a gas stream |
Jan. 5, 1982 |
| 4307068 |
Method and apparatus for treating an exhaust gas |
Dec. 22, 1981 |
| 4303625 |
Treatment of reducing gas for suppression of corrosiveness |
Dec. 1, 1981 |
| 4302205 |
Input control method and means for nitrogen oxide removal |
Nov. 24, 1981 |
| 4302431 |
Process for controlling nitrogen oxides in exhaust gases and apparatus therefor |
Nov. 24, 1981 |
| 4300997 |
Catalytic cracking with reduced emission of noxious gas |
Nov. 17, 1981 |
| 4297328 |
Three-way catalytic process for gaseous streams |
Oct. 27, 1981 |
| 4297331 |
Catalysis |
Oct. 27, 1981 |
| 4294806 |
Method for preventing the wear of a monolithic catalyst by dusts |
Oct. 13, 1981 |
| 4293524 |
Method and apparatus for cooling and neutralizing acid gases |
Oct. 6, 1981 |
| 4290878 |
NO.sub.x control in platinum-promoted complete combustion cracking catalyst regeneration |
Sep. 22, 1981 |
| 4288420 |
Removal of nitrogen oxides and sulfur oxides by ammonia |
Sep. 8, 1981 |
| 4282115 |
Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases |
Aug. 4, 1981 |
| 4280926 |
Method for producing a catalyst and a carrier therefor |
Jul. 28, 1981 |
| 4277256 |
Process for the purification of gases containing radioactive substances |
Jul. 7, 1981 |
| 4272497 |
Method for treating a nitrogen oxide- and sulphur oxide-containing waste gas |
Jun. 9, 1981 |
| 4270938 |
Processes for decontaminating nuclear process off-gas streams |
Jun. 2, 1981 |
| 4268488 |
Process for the catalytic reduction of nitrogen oxides in gaseous mixtures |
May. 19, 1981 |
| 4263264 |
Method of abating nitrogen oxides in combustion waste gases |
Apr. 21, 1981 |
| 4259303 |
Method of and system for treating waste anesthetic gas |
Mar. 31, 1981 |
| 4258020 |
Process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture |
Mar. 24, 1981 |
| 4256711 |
Catalysis |
Mar. 17, 1981 |
| 4256728 |
Deodorization method |
Mar. 17, 1981 |
| 4254616 |
Process for flue gas desulfurization or nitrogen oxide removal using a magnetically stabilized fluid cross-flow contactor |
Mar. 10, 1981 |
| 4228039 |
Catalytic composition used in purifying gaseous effluents polluted by nitrogen oxides and process for preparing the composition |
Oct. 14, 1980 |
| 4228138 |
Catalysis |
Oct. 14, 1980 |
| 4225462 |
Catalyst for reducing nitrogen oxides and process for producing the same |
Sep. 30, 1980 |
| 4224292 |
Catalytic reduction of nitrogen oxides |
Sep. 23, 1980 |
| 4221768 |
Catalyst for purifying exhaust and waste gases |
Sep. 9, 1980 |
| 4220633 |
Filter house and method for simultaneously removing NO.sub.x and particulate matter from a gas stream |
Sep. 2, 1980 |
| 4218427 |
Method for NO.sub.x removal from stack gases |
Aug. 19, 1980 |
| 4216060 |
Horizontal type coke ovens |
Aug. 5, 1980 |
| 4215096 |
Removal of acidic contaminants from gas streams by caustic impregnated activated carbon |
Jul. 29, 1980 |
| 4215101 |
Method and apparatus for performing chemical and/or physical treatments |
Jul. 29, 1980 |
| 4213944 |
Process for removing nitrogen oxides from gas by ammonia |
Jul. 22, 1980 |
|
|
|
