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Sortable adhesive coated paper articles

United States Patent Application

20050020162
A1
View the Complete Application at the US Patent & Trademark Office
An article that includes a paper substrate and an adhesive provided on the substrate. The paper substrate has a surface energy no greater than about 55 mJ/m.sup.2 and a wet strength that is maintained at a sufficiently high level when the article is subjected to repulping such that the substrate remains substantially intact at the conclusion of repulping.
Severtson, Steven J. (Shoreview, MN), Wang, Xinping (Zhejiang, CN), Nowak, Michael J. (Naperville, IL)
10/ 204,030
May 9, 2003
[0002] This invention was made with government support under DE-FC07-00ID13881 awarded by the U.S. Department of Energy. The government has certain rights in the invention.