Printable polypropylene film having anti-fog properties

Details Printable polypropylene film having anti-fog properties Printable polypropylene film having anti-fog properties

2006-05-30

2006-05-30

Nakarani, D. S. (Department: 1773)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S523000, C428S910000

Reexamination Certificate

active

07052774

ABSTRACT:
The invention relates to a biaxially oriented polypropylene multilayer film, which comprises at least one base layer (B), an intermediate layer (I) and a top layer (I), and which contains anti-fog additives. The anti-fog additive is only added to the intermediate layer (I) in a quantity ranging from 0.5 to 8 wt. % with regard to the weight of the intermediate layer, and the film contains a maximum of 0.5 to <1 wt. % of anti-fog additives with regard to the total weight of the film. The film is suited for packaging moist goods.

REFERENCES:
patent: 4876146 (1989-10-01), Isaka et al.
patent: 5972519 (1999-10-01), Niessner et al.
patent: 6248850 (2001-06-01), Arai
patent: 0 578 192 (1994-01-01), None
patent: 0 701 898 (1996-03-01), None
patent: 0 860 272 (1998-08-01), None
patent: 0 867 277 (1998-09-01), None
patent: WO 97/22655 (1997-06-01), None

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