Cigarette Package Provided With Internal Envelops Made From Polymer Film

Abstract

The invention relates to a single-layered or multilayered, biaxially-oriented film which contains 70 to 100% by weight of polymer consisting of at least one type of aliphatic polyhydroxycarboxylic acid, and which is used in the form of an inner liner of a cigarette package.

1 - 16 . (canceled) 
   
   
       17 . An inner liner for a cigarette packaging which comprises a single-layered or multilayered, biaxially-oriented film which contains 70 to 100% by weight of polymer of at least one aliphatic polyhydroxycarboxylic acid. 
   
   
       18 . The inner liner according to  claim 17 , wherein the film is transparent. 
   
   
       19 . The inner liner according to  claim 17 , wherein the film is white. 
   
   
       20 . The inner liner according to  claim 17 , wherein the film has an opaque, vacuolated base layer. 
   
   
       21 . The inner liner according to  claim 17 , wherein the film is metallized on one surface. 
   
   
       22 . The inner liner according to  claim 17 , wherein the film is metallized on both sides. 
   
   
       23 . The inner liner according to  claim 17 , wherein the film is embossed. 
   
   
       24 . The inner liner according to  claim 21 , wherein the metallized surface of the film is embossed. 
   
   
       25 . The inner liner according to  claim 17 , wherein the film contains 80 to <98% by weight of a polymer of aliphatic polyhydroxycarboxylic acid in the base layer. 
   
   
       26 . The inner liner according to  claim 17 , wherein film features top layers on both sides, and the top layers contain 70 to <100% by weight of a polymer of aliphatic polycarboxylic acid. 
   
   
       27 . The inner liner according to  claim 17 , wherein the aliphatic polyhydroxycarboxylic acid is a polylactic acid. 
   
   
       28 . The inner liner according to  claim 17 , wherein the film has a total thickness of 20 to 100 μm. 
   
   
       29 . The inner liner according to  claim 17 , wherein the top layer has thickness of 0.5 to 6 μm. 
   
   
       30 . The inner liner according to  claim 17 , wherein the top layer is sealable. 
   
   
       31 . A cigarette packaging which comprises the inner liner according to  claim 17   
   
   
       32 . The cigarette packaging as claimed in  claim 31 , wherein that cigarette packaging is a flip pack. 
   
   
       33 . The cigarette packaging as claimed in  claim 31 , wherein that cigarette packaging is a soft packaging.