FILTER TOW
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Dec 2, 2004
app pub date -
May 4, 2004
filing date -
May 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a filter tow made from crimped endless cellulose acetate filaments, whereby the filaments form at least two connected fibre bundles with the same filament titre of at least 600 filaments. The filament titres differ from bundle to bundle by at least 1 dtex Furthermore a filter tow is disclosed with a crimp ratio of more than 40%, said filaments comprising at least 22 crimp turns per filament length.
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