Patent ID: 11952499
Assignee: HUBERGROUP ITALIA
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B  D | IPC B  C  D

Claim 13:
14. The system in accordance with claim 1, wherein the lower layer (16) is present and:
i) is a film and contains 0.1 to 10% by weight of white pigment (24) based on the total weight of the lower layer (16), wherein the film has a thickness of 1 to 100 μm, or
ii) is a paper or cardboard and contains 0.1 to 50% by weight of white pigment (24) based on the total weight of the lower layer (16) or
iii) is an ink and contains 10 to 90% by weight of white pigment (24) based on the total weight of the dry lower layer (16), wherein the ink has a thickness of 0.5 to 100 μm or
iv) is a coating or lacquer and contains 10 to 90% by weight of white pigment (24) based on the total weight of the dry lower layer (16), wherein the coating or lacquer has a thickness of 0.5 to 1,000 μm.