← Back to Patent Explorer
EP0170588A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Catalyst and process for the treatment of exhaust gases from internal-combustion engines

Assignee: Pro Catalyse SA
•
Filing: 1985-07-19
•
Granted: —
•
Expires: 2005-07-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from French La présente invention a pour objet des catalyseurs multifonctionnels, plus particulièrement destinés au traitement des gaz d'échappement des moteurs à combustion interne. La présente invention concerne en effet un catalyseur multifonctionnel caractérisé en ce qu'il comporte: un support sur lequel est déposé par imprégnation une phase active constituée de zirconium et de cérium et éventuellement de fer, de palladium et d'au moins un métal pris dans le groupe comportant l'iridium et le rhodium. The present invention relates to multifunctional catalysts, more particularly intended for the treatment of exhaust gases from internal combustion engines. The present invention indeed relates to a multifunctional catalyst characterized in that it comprises: a support on which is deposited by impregnation an active phase consisting of zirconium and cerium and optionally iron, palladium and at least one metal taken in the group comprising iridium and rhodium.

Inventors

  • 👤 Gilbert Blanchard
  • 👤 Michel Prigent

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 15:32
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/70; B01J23/89; B01J23/8933; B01J23/894; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; B01J23/63

Claims Analysis

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

References Cited (Backward Citations)

FR2430795A1 Cited
FR2449475A1 Cited
EP0027069B1 Cited
EP0054472A1 Cited
DE3223500A1 Cited
EP0100267A1 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