Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1997-08-08
1998-08-18
Teskin, Fred M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526351, 428500, 428523, 428910, C08F 1006, B32B 2732
Patent
active
057959463
ABSTRACT:
Film is provided wherein, at least one layer comprises polymer, a molecular majority of which is derived from propylene, having water vapor transmission rate of less than or equal to about (-7.4428 g.times..mu.m/m.sup.2 .times.day.times.% polymer crystallinity) (% polymer crystallinity)+627.32 g.times..mu.m/m.sup.2 .times.day, or (-0.0189 g.times.mil/100 in.sup.2 .times.day.times.% polymer crystallinity) (% polymer crystallity)+1.593 g.times.mil/100 in.sup.2 .times.day.
REFERENCES:
patent: 5169924 (1992-12-01), Asanuma et al.
patent: 5468440 (1995-11-01), McAlpin et al.
patent: 5534595 (1996-07-01), Asanuma et al.
Agarwal Pawan Kumar
Chow Wai Yan
McAlpin James John
Mehta Aspy Keki
Exxon Chemical Patents Inc.
Teskin Fred M.
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