PAPER ARTICLES EXHIBITING LONG TERM STORAGEABILITY AND METHOD FOR MAKING SAME
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Sep 7, 2012
filing date -
Apr 11, 2001
priority date (Note) -
Abandoned
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Abstract
A method for increasing the long term storageability of a cellulosic paper or paperboard product. The method includes providing a paper or paperboard product made from cellulosic fibers having a basis weight ranging from about 80 to about 300 pounds per 3000 square feet. A holdout material is applied to at least one surface of the paper or paperboard product. The web is then coated with an ink receptive material selected from the group consisting of an aqueous acrylic polymer coating material, an aqueous biocidal agent and a combination of aqueous acrylic polymer coating material and aqueous biocidal agent and dried to provide a paper or paperboard product having enhanced long term storageability. Webs made according to the invention are suitable for making file folders which exhibit improve long term storageability by resisting damage from moisture and/or biological activity.
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