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Current content: 155 263 406 patent documents

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215 613 new documents added

1 342 057 documents amended

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EP 1258561 A2 20021120 - Wet-strong tissue paper

Title (en)

Wet-strong tissue paper

Title (de)

Nassfestes Tissuepapier

Title (fr)

Papier tissu résistant à l'humidité

Publication

EP 1258561 A2 20021120 (EN)

Application

EP 02445060 A 20020521

Priority

SE 0101810 A 20010518

Abstract (en)

A strong and soft tissue paper having a bulk between 2 and 8 cm<3>/g, containing a wet strength agent in the form of a nitrogen-containing polymer having hydrophobic side-chain substituents. The tissue paper before converting has a relative wet strength value (RWS) of at least 45%.

IPC 1-7

D21H 21/20; D21H 17/55; D21H 17/56; C08G 69/48; C08G 73/02

IPC 8 full level

D21H 21/20 (2006.01); D21H 17/54 (2006.01)

CPC (source: EP)

D21H 21/20 (2013.01); D21H 17/54 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1258561 A2 20021120; EP 1258561 A3 20040908; SE 0101810 D0 20010518; SE 0101810 L 20021119; SE 522783 C2 20040309

DOCDB simple family (application)

EP 02445060 A 20020521; SE 0101810 A 20010518