Patent · US Expired

Method and apparatus for treating the atmosphere

US6214303A · kind A · utility

60Cited by

147References

17Claims

0Family size

Assignee

Engelhard Corporation · US

Inventors

Jeffrey B. Hoke · New Brunswick, US
John R. Novak · Lawrenceville, US
John J. Steger · Pittstown, US
Terence C. Poles · Ringoes, US
L. Michael Quick · Bound Brook, US
Ronald M. Heck · Frenchtown, US
Zhicheng Hu · Lo Wu, CN
Michael Durilla · Howell, US

Key dates

Filing date	Jan 19, 1996
Grant date	Apr 10, 2001
Priority date	—
Expiry date	Jan 19, 2016

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2259/4558
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Method and apparatus for treating the atmosphere to lower the concentration of pollutants therein in which ambient air is passed into operative contact with a stationary substrate having at least one ambient air contacting surface having a pollutant treating material thereon.

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