Global Patent Index - EP 0195458 A1

EP 0195458 A1 19860924 - Process for treating wet paper with foam.

Title (en)

Process for treating wet paper with foam.

Title (de)

Verfahren zur Behandlung eines nassen Papiers mit Schaum.

Title (fr)

Procédé de traitement d'un papier humide avec de la mousse.

Publication

EP 0195458 A1 19860924 (EN)

Application

EP 86103923 A 19860321

Priority

US 71472285 A 19850322

Abstract (en)

Specifically structured foamed compositions of paper treating agents applied to wet paper, such as wet-end paper web produced during high speed paper manufacture, provide uniform treating agent distribution and treated paper having properties comparable to dry-processed paper.

IPC 1-7

D21D 3/00

IPC 8 full level

D21H 17/03 (2006.01); D21H 17/35 (2006.01); D21H 19/00 (2006.01); D21H 21/56 (2006.01); D21H 23/26 (2006.01)

CPC (source: EP)

D21H 21/56 (2013.01); D21H 23/26 (2013.01)

Citation (search report)

  • [X] GB 1585874 A 19810311 - UNION CARBIDE CORP
  • [YD] US 4158076 A 19790612 - WALLSTEN HANS I [CH]
  • [Y] GB 1039540 A 19660817 - REED PAPER GROUP LTD
  • [A] DE 1221093 B 19660714 - SCHICKEDANZ VER PAPIERWERK
  • [Y] TAPPI, vol. 51, no. 4, April 1968, pages 83A-86A, Atlanta, GA, US; W.P. HAMILL: "Coating paper with foam"
  • [A] H. HENTSCHEL: "Chemische Technologie der Zellstoff- und Papierherstellung", 1967, 3rd edition, pages 546-552, VEB Fachverlag, Leipzig, DD; "Trockung und Fertigstellung des Papiers"

Designated contracting state (EPC)

AT DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0195458 A1 19860924; EP 0195458 B1 19880928; AT E37571 T1 19881015; BR 8601246 A 19861202; CN 86101888 A 19870930; DE 3660820 D1 19881103; FI 861218 A0 19860321; FI 861218 A 19860923; JP S61258095 A 19861115; NO 861126 L 19860923

DOCDB simple family (application)

EP 86103923 A 19860321; AT 86103923 T 19860321; BR 8601246 A 19860320; CN 86101888 A 19860322; DE 3660820 T 19860321; FI 861218 A 19860321; JP 6106986 A 19860320; NO 861126 A 19860321