Use of recycled calcium carbonate in the treatment of a paper, board or nonwoven product
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United States of America Patent
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Issued Date -
Apr 29, 2004
app pub date -
Oct 16, 2003
filing date -
Jul 8, 1998
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Method and assembly for forming a paper or board web and a product made using the method. According to the method, the web (11) is made from fibers and then the web (11) is treated with pigment particles. The web is treated with microscopic pigment particles whose average size is so small as to permit the particles to adhere to each other by van der Waals forces. The particles are transferred to the web and adhered thereto advantageously using an ion-blast technique.
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