Method of manufacturing a filter material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 25, 2000
Grant Date -
N/A
app pub date -
Feb 10, 1997
filing date -
Feb 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For manufacturing filter material, a non-woven filter web is formed from electrostatically charged dielectric fibers. In order to give dimensional stability to the filter material without adversely affecting the permeability of the filter material, filaments or narrow strips are placed essentially at a distance from each other on at least one of the two sides of the filter web and fixed to the non-woven filter web.
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