04155358 is referenced by 40 patents and cites 5 patents.

A disposable valveless chemical cartridge respirator for filtration of vinyl chloride monomer having an end of service life indicator is disclosed.

Title
Respirator
Application Number
5/750266
Publication Number
4155358
Application Date
December 13, 1976
Publication Date
May 22, 1979
Inventor
Gunter A Kohler
Grant Township, Washington County
MN, US
Leon W Anders
Woodbury
MN, US
James A Ord Jr
Blaine
MN, US
Jerome W McAllister
St. Paul
MN, US
Agent
Edward T Okubo
Donald M Sell
Cruzan Alexander
Assignee
Minnesota Mining and Manufacturing Company
MN, US
IPC
A62B 7/10
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