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US 5,512,649 AGranted
Transparent, stretched polypropylene film
AssigneeWolff Walsrode AG
InventorsHermann Hendrickson-Benkhoff, Dietrich Stockmeier, Ulrich Reiners
Life of this patent
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Abstract
At least monoaxially stretched polypropylene film containing an antiblocking agent, wherein the antiblocking agent has a cuboid and/or cubic, preferably cubic, geometry with bevelled, i.e. chamfered, edges and is X-ray amorphous.
Claims11
At least monoaxially stretched polypropylene film containing an antiblocking agent, the antiblocking agent having bevelled edges, being X-ray amorphous, and having a geometry which is at least one of cuboid and cubic.
Dependencies are inferred from the claim text.