Cigarette filter tip, and manufacturing method and applications of cigarette filter tip

Cigarette filter tip, and manufacturing method and applications of cigarette filter tip

  • CN 102,845,832 A
  • Filed: 09/20/2012
  • Published: 01/02/2013
  • Est. Priority Date: 09/20/2012
  • Status: Active Grant
First Claim
Patent Images

1. cigarette filter, at least comprise two filter layers, wherein the ground floor filter course is characterized in that as the mouth core of filter tip, and the regenerated fibroin nanometer film is wrapped in the outside of three faces that the ground floor filter course contacts with smoker'"'"'s lip at least as second layer filter course.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×