Process of manufacturing authenticatable paper products
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 25, 2000
Grant Date -
N/A
app pub date -
Jan 20, 1999
filing date -
Jan 20, 1999
priority date (Note) -
Expired
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Abstract
An authenticatable paper product is prepared by adding to a papermaking furnish fibers treated with from about 50-200 lb/ton of a fluorescent whitening agent (FWA). The paper made from the papermaking furnish will include fluorescent cellulosic fibers in an amount ranging from between 0.1-4.0 lb/ton to achieve FWA concentrations within the range of 1-20 ppm.
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