AT112697T
Process for the reduction of nitrogen oxides in exhaust gases.
Abstract
There is provided a process for the denitrification of exhaust gases with ammonia using an acid-resistant, copper, iron, cerium and / or molybdenum-containing zeolite, preferably mordenite, indicated at certain reaction conditions.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
20 members in 12 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 3841990 | Germany | A |
Members20
| Document | Office | Kind | |
|---|---|---|---|
| DK628589D0 | Denmark | D0 | |
| CA2005412A1 | Canada | A1 | |
| DK628589A | Denmark | A | |
| AU4672189A | Australia | A | |
| DE3841990A1 | Germany | A1 | |
| KR900009123A | Republic of Korea | A | |
| EP0376025A1 | European Patent Office (EPO) | A1 | |
| JPH02194819A | Japan | A | |
| BR8906426A | Brazil | A | |
| DD290816A5 | German Democratic Republic (until 1990) | A5 | |
| DE3841990C2 | Germany | C2 | |
| AU620479B2 | Australia | B2 | |
| US5116586A | United States of America | A | |
| KR930000642B1 | Republic of Korea | B1 | |
| RU1829954C | Russian Federation | C | |
| EP0376025B1 | European Patent Office (EPO) | B1 | |
| AT112697TThis record | Austria | T | |
| ATE112697T1 | Austria | T1 | |
| DE58908501D1 | Germany | D1 | |
| JPH07100132B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN |
Numbers
- Application
- 89122738
Titles2
- German
- VERFAHREN ZUR REDUKTION VON STICKOXIDEN AUS ABGASEN.
- English
- PROCESS FOR REDUCING STICK OXIDES FROM EXHAUST GASES.
Classification
- CPC, 9
- B01J29/26
- B01D53/9418
- B01D2251/2062
- B01D2255/2065
- B01D2255/20738
- B01D2255/20761
- B01D2255/20769
- B01D2255/50
- B01J29/24
- IPC, 7
- B01D53 56
- B01D53 86
- B01D53 94
- B01J29 18
- B01J29 20
- B01J29 24
- B01J29 26