Polypropylene resin composition and film

Details Polypropylene resin composition and film Polypropylene resin composition and film

2007-09-25

2007-09-25

Sanders, Kriellion A (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S088000, C525S089000, C525S095000, C525S240000, C524S515000

Reexamination Certificate

active

10397295

ABSTRACT:
There are provided a polypropylene resin composition comprising:(i) 10 to 99% by weight of a specific propylene copolymer (X),(ii) 0 to 60% by weight of a specific copolymer (Y), and(iii) at least one member selected from the group consisting of 1 to 30% by weight of a specific propylene polymer (W) and 0.1 to 3 parts by weight of a nucleating agent (N); and a film comprising said polypropylene resin composition, or a laminated film having a layer comprising said polypropylene resin composition.

REFERENCES:
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patent: 5521251 (1996-05-01), Satoh et al.
patent: 6624247 (2003-09-01), Kume et al.
patent: 2002/0049283 (2002-04-01), Kume et al.
patent: 63-19255 (1988-01-01), None
patent: 6-104698 (1994-12-01), None
patent: 7-166005 (1995-06-01), None
patent: 8-283343 (1996-10-01), None
patent: 2002-69143 (2002-03-01), None

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