Invention Grant
- Patent Title: Brush bristle material
- Patent Title (中): 刷毛刷材料
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Application No.: US11256443Application Date: 2005-10-21
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Publication No.: US07752702B2Publication Date: 2010-07-13
- Inventor: Kenji Nakamura , Koji Nakamura
- Applicant: Kenji Nakamura , Koji Nakamura
- Agency: Knobbe Martens Olson & Bear LLP
- Priority: JP2004-307223 20041021; JP2005-284857 20050929
- Main IPC: D02G3/00
- IPC: D02G3/00
Abstract:
A polytrimethylene terephthalate (PTT) brush bristle material has irregularities of 1 to 12 μm formed in its tapered section and offers flexibility and high powder-cosmetic trapping property equivalent to those of natural animal hairs.
Public/Granted literature
- US20060088711A1 Brush bristle material Public/Granted day:2006-04-27
Information query
