04215682 is referenced by 293 patents and cites 21 patents.

A persistent electric charge is introduced into melt-blown fibers during the melt-blowing process. When these charged fibers are incorporated into fibrous webs, they provide unique properties, including improved filtering properties.

Title
Melt-blown fibrous electrets
Application Number
5/875614
Publication Number
4215682
Application Date
February 6, 1978
Publication Date
August 5, 1980
Inventor
Charles I Davis
Cottage Grove
MN, US
Donald A Kubik
Houlton
WI, US
Agent
Roger R Tamte
Donald M Sell
Cruzan Alexander
Assignee
Minnesota Mining and Manufacturing Company
MN, US
IPC
A62B 7/10
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