Patent · US Expired

Catalyst supports and fluid treatment devices

US4397772A · kind A · utility

18Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1980
Grant dateAug 9, 1983
Priority date
Expiry dateDec 11, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A50/20
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A device for treating a fluid, in particular a supported catalyst for motor vehicle exhaust gas purification. The device comprises one or more short helically wound lengths of wire at least a surface of which comprises a solid surface coating for interaction with the fluid. For catalysis the coating is a catalytically active material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.