POLYPROPYLENE FILM COMPRISING AN OPENING AID
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Aug 26, 2010
filing date -
Aug 28, 2009
priority date (Note) -
Abandoned
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Abstract
A biaxially oriented polypropylene film with at least two perforated lines is described, which run parallel to one another and are located at a maximum interval of 10 mm. The perforations of the two lines are offset relative to one another. The intervals of undamaged film between the perforations are longer than the perforations.
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