Polyolefin oil resistant film using void initiating solid...

Details Polyolefin oil resistant film using void initiating solid... Polyolefin oil resistant film using void initiating solid...

2005-02-15

2005-02-15

Tarazano, D. Lawrence (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

C428S354000, C428S461000, C428S516000, C428S910000

Reexamination Certificate

active

06855411

ABSTRACT:
A biaxially oriented polyolefin multilayer film having a skin layer having oil-absorbing voids is disclosed. The film has substantially a small amount of void-initiating particles in the skin layer and typically no fillers in the core layer. Yet the film shows no visible distortion after exposure to food products such as potato chips.

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patent: 5397635 (1995-03-01), Wood, Jr.
patent: 5667872 (1997-09-01), Ohno et al.
patent: 20010036542 (2001-11-01), Marks
patent: WO 9849003 (1998-11-01), None

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