POROUS CELLULOSE SHEET AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Jul 26, 2001
app pub date -
Aug 25, 1998
filing date -
Aug 27, 1997
priority date (Note) -
Abandoned
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Abstract
A porous cellulose sheet which has a structure less likely to develop curl and twist, and which can be continuously and stably manufactured, and a method for manufacturing such a sheet. The sheet has pores inside and formed with skin layers on both sides. The difference in thickness between the skin layers is not more than 50%.
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