High density polyethylene films with improved moisture...

Details High density polyethylene films with improved moisture... High density polyethylene films with improved moisture...

2005-11-29

2005-11-29

Lipman, Bernard (Department: 1713)

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

Synthetic resins

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

C428S036920, C524S570000, C524S587000, C525S240000

Reexamination Certificate

active

06969740

ABSTRACT:
This invention relates High Density Polyethylene (HDPE) films having improved barrier properties. More particularly, the invention relates to HDPE films containing hydrocarbon resins having improved moisture barrier. The invention also relates to masterbatches for use in producing High Density Polyethylene films having improved barrier properties.

REFERENCES:
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patent: 5043204 (1991-08-01), Itaba et al.
patent: 5075156 (1991-12-01), Tanaka et al.
patent: 5079273 (1992-01-01), Kuroda et al.
patent: 5128183 (1992-07-01), Buzio
patent: 5290842 (1994-03-01), Sasaki et al.
patent: 94104737 (1997-04-01), None
J. V. Krohn, “TAPPI Polymers, Lamination and Coating Conf.”, TAPPI Press, 1996.

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