Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 2, 2019
Patent Application Number
15250497
Date Filed
August 29, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A mechanically tapered bristle filament for an oral care implement. The filament is characterized by a long thin tapered end portion. The tapered end portion has a taper length and tip diameter comparable to chemically tapered filaments. The areal surface roughness of the tapered end portion however is greater than chemically tapered filaments thereby producing increased scrubbing action against the surfaces of the teeth. The foregoing taper and roughness characteristics of the present filament enhance inter-dental cleaning effectiveness.
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