发明名称 IMPROVED DENTAL FLOSS HAVING LOW DENSITY AND METHOD OF MAKING SAME
摘要 <p>A dental floss comprising a porous PTFE fiber having a density of less than about 0.7g/cc. The inventive floss is abrasion resistan t, grippable and has a soft feel to the hands and a rough feel in the mouth. Th e floss is made by an extrusion process with non-contact heating during sub-sequent expansion with amorphous locking.</p>
申请公布号 CA2380073(C) 申请公布日期 2008.04.15
申请号 CA20002380073 申请日期 2000.08.31
申请人 GORE ENTERPRISE HOLDINGS, INC. 发明人 WILEY, WILLIAM HAMMOND;DOLAN, JOHN W.;CHASTAIN, JAMES H.;BAILLIE, RICHARD L.
分类号 D01F6/12;A61C15/04;D01F6/04;D02G3/04;D06M13/02 主分类号 D01F6/12
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