Synthetic filaments for cosmetic and other brushes

Abstract

A filament, brush and application package using a chemically tipped synthetic filament, where the filament contains a mildly abrasive additive such as clay and is mildly crimped. This synthetic filament improves product pick up for application to a designated surface.

1 . A filament comprising a polymer material containing a clay additive wherein said filament is crimped along a length of the filament and has an end that is chemically tipped.  
   
   
       2 . A filament according to  claim 1 , wherein the filament has both ends chemically tipped.  
   
   
       3 . A filament according to  claim 1 , wherein the filament has improved ability to pick up product for transfer of the product from point a to point b.  
   
   
       4 . A filament according to  claim 1 , wherein the filament polymer is selected from the group consisting of polyesters, nylon, thermoplastic elastomers and polyolefins.  
   
   
       5 . A filament according to  claim 4 , wherein the filament polymer is PBT.  
   
   
       6 . A filament according to  claim 4 , wherein the filament polymer is PET.  
   
   
       7 . A filament according to  claim 4 , wherein the nylon is selected from the group consisting of 6, 66, 610, 612 and 11.  
   
   
       8 . A filament according to  claim 1 , wherein the filament has a base diameter ranging from about 0.001 inches −0.010 inches.  
   
   
       9 . A brush having filaments made according to any one of claims  1 - 8 .  
   
   
       10 . A brush according to  claim 9 , for applying make up.  
   
   
       11 . A brush according to  claim 10 , comprising a ferrule and a handle, wherein said filaments are secured in the ferrule and said ferrule is connected to the handle.  
   
   
       12 . A brush according to  claim 11  for applying blush.  
   
   
       13 . A brush according to  claim 11 , wherein said filaments form a brush from bending a plurality of filaments at their midpoints and fastening said midpoints to the handle.  
   
   
       14 . A brush according to  claim 13 , wherein the filaments are secured to the handle with a staple.  
   
   
       15 . A brush according to  claim 9 , comprising a plurality of filaments having free ends opposite the chemically tipped ends, wherein the free ends are inserted into the handle of said brush and secured by heat setting or epoxy.  
   
   
       16 . A brush according to any of claims  13 - 15  for applying nails polish.  
   
   
       17 . A brush according to  claim 10 , said brush having two twisted wires forming a core for securing said filaments and said filaments extending radially outward from the twisted wire core.  
   
   
       18 . A brush according to  claim 17 , for applying mascara.  
   
   
       19 . A cosmetic package comprising a brush according to  claim 18  and further comprising a reservoir, and mechanism for removing excess mascara from the brush creating a mascara brush package.