Global Patent Index - EP 1221503 A3

EP 1221503 A3 20080709 - Process for the anti-felting treatment of materials comprising wool

Title (en)

Process for the anti-felting treatment of materials comprising wool

Title (de)

Verfahren zur Filzfreiausrüstung von Wolle enthaltenden Materialien

Title (fr)

Procédé de traitement anti-feutrage d'un matériau comportant de la laine

Publication

EP 1221503 A3 20080709 (FR)

Application

EP 02000444 A 20020108

Priority

FR 0100189 A 20010108

Abstract (en)

[origin: EP1221503A2] Antifelting treatment comprises treating the material with liquid ammonia and then removing the ammonia by washing with water.

IPC 8 full level

D06M 11/61 (2006.01); D06M 101/12 (2006.01)

CPC (source: EP)

D06M 11/61 (2013.01); D06M 2101/12 (2013.01)

Citation (search report)

  • [DY] FR 2175582 A1 19731026 - OMNIUM DE PROSPECTIVE IND SA [FR], et al
  • [Y] DATABASE WPI Section Ch Week 198420, Derwent World Patents Index; Class F06, AN 1984-125414, XP002179419

Designated contracting state (EPC)

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

Designated extension state (EPC)

AL LT LV MK RO SI

DOCDB simple family (publication)

EP 1221503 A2 20020710; EP 1221503 A3 20080709; FR 2819273 A1 20020712; FR 2819273 B1 20030418

DOCDB simple family (application)

EP 02000444 A 20020108; FR 0100189 A 20010108