Polyolefin compositions for heat-sealable films having...

Details Polyolefin compositions for heat-sealable films having... Polyolefin compositions for heat-sealable films having...

2005-02-01

2005-02-01

Lipman, Bernard (Department: 1713)

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

C428S036800, C428S516000, C525S222000, C525S240000

Reexamination Certificate

active

06849313

ABSTRACT:
Polyolefin compositions for seal peel films, comprising (percent by weight):A) from 20 to 50% of HDPE, LDPE or EVA having MFR higher than 0.3 g/10 min;B) from 30 to 80% of a random copolymer of propylene with ethylene and/or a C4-C8α-olefin, or of a polyolefin composition comprising not less than 20% of said random copolymer of propylene;C) from 0 to 20% of an elastomeric or elastomeric thermoplastic olefin polymer.

REFERENCES:
patent: 4243619 (1981-01-01), Fraser et al.
patent: 4399054 (1983-08-01), Ferraris et al.
patent: 4472524 (1984-09-01), Albizzati
patent: 4473660 (1984-09-01), Albizzati et al.
patent: 4784885 (1988-11-01), Carespodi
patent: 4986545 (1991-01-01), Sullivan
patent: 5008332 (1991-04-01), Sano et al.
patent: 5028649 (1991-07-01), Efner
patent: 5079281 (1992-01-01), Takeuchi et al.
patent: 5115029 (1992-05-01), Kirkpatrick et al.
patent: 5214084 (1993-05-01), Ishii et al.
patent: 5302442 (1994-04-01), O'Brien et al.
patent: 5352727 (1994-10-01), Okada
patent: 5451468 (1995-09-01), Seiler et al.
patent: 5716698 (1998-02-01), Schreck et al.
patent: 0 045 977 (1982-02-01), None
patent: 0 400 333 (1990-12-01), None
patent: 0 472 946 (1992-03-01), None
patent: 0 483 523 (1992-05-01), None
patent: 0 556 815 (1993-08-01), None
patent: 0 560 326 (1993-09-01), None
patent: 0 674 991 (1995-10-01), None
patent: 55-99939 (1980-07-01), None
patent: WO 9604178 (1996-02-01), None
Whelan, “Polymer Technology Dictionary”, 2nded., Chapman & Hall, New York, p. 139 (1994).*
English translation of JP 55-99939 (document B9).

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