Nova Patents
AT539628T

Filter

Abstract

The invention discloses a filter for gwonryeon comprising a porous filter rod (3), the material surrounding the filter rod covering sheet (2) and a substantially cellulose acetate is formed from a non-crimped cellulose acetate filament threads (4) . Such cellulose acetate thread is in the loading orientation extending along the central axis of the filter is a filter rod.

Term

1.8 yearsleft in the term

Expires 27 June 2028.

  1. Priority
  2. Filed
  3. Granted
  4. Today
  5. Expires

2 priority claims, no other members on record

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
DocumentOfficeKindDate
0713905United KingdomA
2008058332European Patent Office (EPO)W