Patent · US Expired

Filter for chemical oxygen generators

US6464757B2 · kind B2 · utility

7Cited by

26References

5Claims

0Family size

Assignee

BE Intellectual Property, Inc. · US

Inventors

Yunchang Zhang · Lenexa, US
Michael J. Brumely · Shawnee, US
James C. Cannon · Overland Park, US
John E. Ellison · Newington, US
Girish S. Kshirsagar · Overland Park, US

Key dates

Filing date	Aug 17, 2001
Grant date	Oct 15, 2002
Priority date	—
Expiry date	Aug 17, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The filter contains about 1-15% lithium hydroxide and about 85-99% hopcalite material, having a particle size of approximately 20 to 100 mesh, and can be used in combination with a chemical oxygen generator for removing chlorine gas and carbon monoxide.

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