Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2005-02-08
2005-02-08
Fortuna, José A. (Department: 1731)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S168200, C162S158000, C162S109000
Reexamination Certificate
active
06852197
ABSTRACT:
Tissue paper having a bulk between 2 and 8 cm3/g and containing an amount of a wet strength agent, wherein the tissue paper contains a wet strength agent in the form of a nitrogen-containing polymer having hydrophobic side-chains. Said tissue paper before converting has a relative wet strength value (RWS) of at least 45%.
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International Search Report of International Application No. SE 01/00670, dated Feb. 27, 2002.
Gorzynski Marek
Sandberg Sussan
Struck Oliver
Wallenius Hans
Akzo Nobel NV
Burks Michelle J.
Fortuna Jos'e A.
Parker Lainie E.
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