Dental floss or tape
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United States of America Patent
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-
May 9, 1995
Issued Date -
N/A
app pub date -
May 13, 1994
filing date -
Feb 14, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dental floss or tape has a multifilament polyamide core and a continuous PTFE coating applied by passing the core through an aqueous PTFE dispersion and heating the deposited particles such that they coalesce into a layer without substantially effecting the structure of the core.
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