Patent US2007436A successfully refreshed from Google Patents.
Patent US3075505A successfully refreshed from Google Patents.
Patent EP0779096A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0779096A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process and device for catalytic gas purification

Assignee: BASF SE
•
Filing: 1996-11-02
•
Granted: —
•
Expires: 2016-11-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The operation of a purification apparatus for flowing gases comprises passing the gas stream through a filter body having a catalyst, a reducing agent being added to the gas before entering the catalyst. The flow direction (1) of the gas according to the treating stretch in the catalyst of the filter body (2), reducing agent added to the flowing gas, and contact with the catalyst of the filter body (2) are maintained. Also claimed is the purification apparatus comprising a feed device for the reducing agent, which is added to the gas while flowing through the filter body (2).

Inventors

  • 👤 Martin Dr. Hartweg
  • 👤 Rolf-Dirc Dr. Roitzheim
  • 👤 Andrea Seibold
  • 👤 Leonhard Dr. Walz
  • 👤 Thomas Dr. Fetzer
  • 👤 Bernd Morsbach

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 21:59
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/023; F01N3/025; F01N3/0253; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/9404; B01D53/9409; B01D53/9413; B01D53/9418; B01D53/9431; B01J; B01J23/00; B01J23/005; F01N13/00; F01N13/009; F01N13/0097; F01N3/033; F01N3/035; F01N3/08; F01N3/0807; F01N3/0814; F01N3/0828; F01N3/0842; F01N3/10; F01N3/18; F01N3/20; F01N3/206; F01N3/2066; B01D2255/00; B01D2255/10; B01D2255/102; B01D2255/20; B01D2255/204; B01D2255/2047; B01D2255/206; B01D2255/2063; B01D2255/2065; B01D2255/207; B01D2255/20723; B01D2255/20746; B01D2255/20761; B01D2255/20776; B01D2255/20792; B01D2255/209; B01D2255/2092; B01D2255/40; B01D2255/405; B01D2255/90; B01D2255/915; F01N2250/00; F01N2250/12; F01N2610/00; F01N2610/02; F01N2610/03; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

EP0148358A2 Cited
EP0283913A2 Cited
EP0494388A1 Cited
DE4214183A1 Cited
EP0676232A1 Cited
DE4420932A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag