Patent · US Expired

Two stage process and apparatus for photocatalytic and catalytic conversion of contaminants

US6179972A · kind A · utility

13Cited by
13References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 1999
Grant dateJan 30, 2001
Priority date
Expiry dateJun 2, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2259/804
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process comprises passing a contaminated gaseous stream through a photocatalytic stage and, thereafter, through a catalytic stage.

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