Title:
【発明の名称】内燃機関からの廃ガスを清浄化するための触媒、触媒の製法および廃ガス清浄化法
Document Type and Number:
Japanese Patent JP3130903
Kind Code:
B2
Abstract:
An exhaust gas cleaning catalyst having an oxidising and/or reducing action, with a reduced tendency to H2S emission, contains as the support active Al2O3 which is doped with CeO2 and, if appropriate, ZrO2 as well as Pt, Pd and/or Rh and additionally also contains 0.1 to 40 % by weight of ZnO, relative to Al2O3.
Inventors:
Ekbert Locks
Edgar Kobelshutyne
Bernd Engler
Edgar Kobelshutyne
Bernd Engler
Application Number:
JP22948389A
Publication Date:
January 31, 2001
Filing Date:
September 06, 1989
Export Citation:
Assignee:
Degusser Huls Actien Gezel Shaft
International Classes:
B01D53/86; B01D53/94; B01J23/56; B01J23/60; B01J23/63; B01J23/89; (IPC1-7): B01J23/63; B01D53/86; B01D53/94
Domestic Patent References:
| JP62176544A | ||||
| JP61171538A | ||||
| JP50104194A |
Attorney, Agent or Firm:
Toshio Yano (2 outside)