Sachet for a pharmaceutical composition

Abstract

The present invention is directed to a sachet for a pharmaceutical composition, comprising the layers: paper; bonding layer; barrier layer; and sealing layer.

1 . Sachet for a pharmaceutical composition, comprising the layers: 
 i) paper;    ii) bonding layer;    iii) barrier layer; and    iv) sealing layer.    
   
   
       2 . Sachet according to  claim 1 , wherein said barrier layer is an aluminum foil, said bonding layer is preferably of polyethylene, and said sealing layer is preferably a low density polyethylene.  
   
   
       3 . Sachet according to  claim 1 , wherein said paper i) has a weight per unit area of 10-100 g/m 2 .  
   
   
       4 . Sachet according to  claim 3 , wherein said paper i) has a weight per unit area of 30-70 g/m 2 .  
   
   
       5 . Sachet according to  claim 4 , wherein said paper i) has a weight per unit area of 40-60 g/m 2 .  
   
   
       6 . Sachet according to  claim 1 , wherein said bonding layer ii) has a weight per unit area of 6-20 g/m 2 .  
   
   
       7 . Sachet according to  claim 6 , wherein said bonding layer ii) has a weight per unit area of 9-18 g/m 2 .  
   
   
       8 . Sachet according to  claim 7 , wherein said bonding layer ii) has a weight per unit area of 12-15 g/m 2 .  
   
   
       9 . Sachet according to  claim 1 , wherein said sealing layer iv) has a thickness of 15-50 μm.  
   
   
       10 . Sachet according to  claim 1 , wherein said sealing layer iv) has a weight per unit area of 10-100 g/m 2 , more preferred 15-75 g/m 2 , preferably 20-50 g m 2 , more preferably 30-40 g/m 2 , most preferred 35 g/m 2 .  
   
   
       11 . Sachet according to  claim 1 , wherein said barrier layer iii) has a thickness of 6-30 μm, more preferred 7-25 μm, preferably 9-25 μm, more preferred 8-20 μm, preferably 9-15 μm, more preferred 12 μm.  
   
   
       12 . Sachet according to  claim 1 , containing a pharmaceutical formulation.  
   
   
       13 . Sachet according to  claim 12 , wherein said pharmaceutical formulation comprises mesalazine or a pharmaceutically acceptable salt thereof.  
   
   
       14 . Sachet according to  claim 12 , said sachet containing an oral pharmaceutical formulation in the form of a granulate comprising more than 55% by weight of mesalazine or a pharmaceutically acceptable salt thereof.  
   
   
       15 . Use of sachet according to  claim 1  for a pharmaceutical composition.  
   
   
       16 . Use of a sachet according to  claim 1  for medical purposes.