Cover film for a blister pack, and blister pack
AssigneeSÜDPACK Medica AG
InventorsCarolin Grimbacher, Michael Hermann
Life of this patent
Estimating the term…
Abstract
A cover film (1) for sealing a base film (2) of a blister pack for drugs, comprising two outer layers, namely, a cover layer (3) and a sealing layer (4), and one or more intermediate layers (5) situated between the cover layer (3) and the sealing layer (4), characterized in that the cover layer (3) and the sealing layer (4) are polypropylene layers (6, 7, 10).
Claims17
A cover film (1) for sealing a base film (2) of a blister pack for drugs, the cover film comprising:
- two outer layers, namely, a cover layer (3) and a sealing layer (4);
- and
- one or more intermediate layers (5) situated between the cover layer (3) and the sealing layer (4);
- wherein the cover layer (3) and the sealing layer (4) are nucleated polypropylene homopolymer layers (10);
- and
- wherein the one or more intermediate layers (5) comprise at least one layer selected from the group consisting of:
- a cyclo-olefin layer (8);
- and
- a polyvinyl alcohol layer (9).
A cover film (1) for sealing a base film (2) of a blister pack for drugs, the cover film comprising:
- two outer layers, namely, a cover layer (3) and a sealing layer (4);
- and
- one or more intermediate layers (5) situated between the cover layer (3) and the sealing layer (4);
- wherein the cover layer (3) and the sealing layer (4) are nucleated polypropylene homopolymer layers (10);
- and
- wherein the nucleated polypropylene homopolymer layers (10) have a layer thickness of 120 to 200 μm.
A cover film (1) for sealing a base film (2) of a blister pack for drugs, the cover film comprising:
- two outer layers, namely, a cover layer (3) and a sealing layer (4);
- and
- one or more intermediate layers (5) situated between the cover layer (3) and the sealing layer (4);
- wherein the cover layer (3) and the sealing layer (4) are polypropylene layers (6, 7, 10);
- and
- wherein the cover layer (3) has a removable barrier coating comprising a biaxially oriented polypropylene layer.
Dependencies are inferred from the claim text.