Crumple-resistant security sheet, a method of manufacturing such a sheet, and a security document including such a sheet

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United States of America Patent

PATENT NO 10023998
SERIAL NO

12599219

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Abstract

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The present invention relates to a crumple-resistant security sheet comprising fibers; an anionic polymer in a proportion lying in the range 5% to 45% by dry weight relative to the total dry weight of the fibers, and presenting a glass transition temperature greater than 40° C.; and a main cationic flocculation agent in a quantity lying in the range 1% to 5% by dry weight relative to the total dry weight of the fibers.

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Patent Owner(s)

Patent OwnerAddress
VHP SECURITY PAPER B VWEZENWEG 2 UGCHELEN 7339 GS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rosset, Henri Le Pin, FR 31 176

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