| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a2fb815dee18f748ab4b453fcc2fd0fb |
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| classificationCPCInventive |
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| classificationIPCInventive |
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-08 |
| filingDate |
2018-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_899b42ef214f56c9fc4e0326a42ac465
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5d5266c884475c3780fcb5d3a8e1bd29
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_434748aa34e4a22044d7842e54e2ad6a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7b66a95cf1a147f09cf5acf729cf8786 |
| publicationDate |
2019-01-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2019000848-A |
| titleOfInvention |
Small pore molecular sieve supported copper catalyst for the reduction of nitrogen oxides with durability against lean / rich aging |
| abstract |
Kind Code: A1 The present invention provides a method for using a catalyst in treating exhaust gas from an internal combustion engine of a vehicle having a lean / rich cycle such as a diesel engine or a gasoline engine or an engine powered by liquefied petroleum gas (LPG) or natural gas. To do. A method of using a catalyst includes exposing the catalyst to at least one reactant during chemical processing. The catalyst comprises a small pore molecular sieve having a maximum ring size of copper and 8 tetrahedral atoms. The chemical treatment has at least one section exposed to a reducing atmosphere. The catalyst has an initial activity and a final activity after at least one section exposed to the reducing atmosphere. The final activity is within 30% of the initial activity at a temperature between 200 ° C and 500 ° C. [Selection] Figure 3 |
| priorityDate |
2009-04-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |