Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Helmut Schönfelder0
Wilhelm Munninger0
Rolf Krekel0
Date of Patent
January 23, 2024
0Patent Application Number
171258940
Date Filed
December 17, 2020
0Patent Citations
Patent Primary Examiner
Patent abstract
The present invention inter alia relates to a release liner, which comprises according to an embodiment, a carrier substrate, a thermoplastic polymer layer applied on one side of the carrier substrate, and a release layer applied on the thermoplastic polymer layer on the side opposite to the carrier substrate. The thermoplastic polymer layer and the release layer include a network of ridges resulting in elevations of the surface of the release liner. The surface on the release layer side has a roughness at least between the ridges, such that it has a plurality of pits. The average number of pits per an area of 3.4 mm
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