Patent · US Expired

Method of treating exhaust gas

US6511527B2 · kind B2 · utility

10Cited by

10References

7Claims

0Family size

Assignee

NGK INSULATORS, LTD. · JP

Inventors

Ralph T. Yang · Middle Island, US
Ruiqiang Long · Ann Arbor, US
Tomonori Takahashi · Chita, JP

Key dates

Filing date	Feb 6, 2001
Grant date	Jan 28, 2003
Priority date	—
Expiry date	Mar 25, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S977/902
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method of removing dioxins from an exhaust gas, including the steps of introducing carbon nanotubes into a stream of the dioxin-containing exhaust gas, and sorbing dioxins on the carbon nanotubes.

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