发明名称 |
Method for making paperboard packaging containing a PVOH barrier |
摘要 |
Paperboard packaging for non-refrigerated liquid products and for dry products contains a buried polyvinyl alcohol copolymer (PVOH) barrier layer which has a low oxygen permeability particularly at low relative humidity, and outer heat-sealable surfaces which provide good resistance to moisture penetration and a means for fabricating the packaging.
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申请公布号 |
US5552002(A) |
申请公布日期 |
1996.09.03 |
申请号 |
US19940328118 |
申请日期 |
1994.10.24 |
申请人 |
WESTVACO CORPORATION |
发明人 |
FARRELL, ROBERT A.;PARKS, CHRISTOPHER J. |
分类号 |
B32B27/10;B65D65/40;(IPC1-7):B32B31/12 |
主分类号 |
B32B27/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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