Wrap film

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

Reexamination Certificate

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C428S515000, C428S516000, C428S517000, C428S521000, C428S523000, C428S910000

Reexamination Certificate

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06858288

ABSTRACT:
A wrap film comprising a thermoplastic resin composition and having a longitudinal direction elongation at break of less than 100% and a longitudinal direction strength at 5% elongation of 150 cN/10 mm or less is disclosed. The thermoplastic resin composition comprises a polypropylene resin and at least one resin having a flexural modulus of 100 MPa or less selected from an ethylene-propylene rubber and an ethylene-α-olefin copolymer having 4 or more carbon atoms in the α-olefin unit.

REFERENCES:
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patent: 4339495 (1982-07-01), Weiner
patent: 5356677 (1994-10-01), Meilhon et al.
patent: 5766772 (1998-06-01), Ciocca et al.
patent: 6117553 (2000-09-01), Hayashida et al.
patent: 20030120014 (2003-06-01), Seta et al.
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Abstract of JP 9003273A, Jan. 7, 1997.
Abstract of JP 4334449A, Nov. 20, 1992.
Abstract of JP 56005842A, Jan. 21, 1981.

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