| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f94b3a4f6887b4a7022bc8b42e1e1ce1 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-9495
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-9409 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-86
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-20 |
| filingDate |
1998-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b0121a50dac0f8d07f494e8da66b895a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_317f670f0b520b87942b8b2f61a60756
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e3f1221b799d83ba7402d018959b4f6
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c91b1b366edc15a00a55c2e7ae5dded8 |
| publicationDate |
1999-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0895802-A3 |
| titleOfInvention |
DeNOx catalyst |
| abstract |
The reduction of nitrogen oxides (NOx) from combustion gases from lean operatednInternal combustion engines is problematic because of that in the combustion exhaust gasesncontained reducing agents in a competitive reaction with oxygennimplement. With selectively effective catalysts (SCR) only from a temperature ofn200 ° C a satisfactory NOx conversion can be achieved.n n n According to the invention, the reducing agent is not added continuously to the SCR, in particular at low temperatures, but rather pulsed at a very low frequency. As a result, the NOx conversion can be more than doubled at temperatures around 170 ° C. |
| priorityDate |
1997-08-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |