EP 0962581 A1 19991208 - Improving ozone stability of dyed or undyed polyamide containing materials

Title (en)

Improving ozone stability of dyed or undyed polyamide containing materials

Title (de)

Verbesserung der Ozonstabilität von gefärbtem und ungefärbtem polyamidhaltigem Material

Title (fr)

Amélioration de la stabilité à l'ozone des matériaux contenant du polyamide

Publication

EP 0962581 A1 19991208 (DE)

Application

EP 99810454 A 19990526

Priority

EP 99810454 A 19990526
EP 98810506 A 19980602

Abstract (en)

The ozone resistance of pigmented and unpigmented polyamide-containing material is improved by treating the material with tannin or incorporating tannin in the material.

Abstract (de)

Der Gegenstand der vorliegenden Erfindung betrifft die Verwendung von Tannin zur Verbesserung der Ozonechtheit von gefärbtem und ungefärbten polyamidhaltigem Material, welche dadurch gekennzeichnet ist, dass man Tannin auf das polyamidhaltige Material aufbringt, oder dem polyamidhaltigen Material einverleibt.

IPC 1-7

D06M 13/238; D06P 5/04; D06P 1/651; D01F 1/10; D01F 6/60

IPC 8 full level

D01F 1/10 (2006.01); D01F 6/60 (2006.01); D06M 13/238 (2006.01); D06P 1/651 (2006.01); D06P 1/653 (2006.01); D06P 5/04 (2006.01)

CPC (source: EP)

D01F 1/10 (2013.01); D01F 6/60 (2013.01); D06M 13/238 (2013.01); D06P 1/65118 (2013.01); D06P 1/653 (2013.01); D06P 5/04 (2013.01); D06M 2101/34 (2013.01)

Citation (search report)

[X] US 4304568 A 19811208 - JOHNSON DAVID A, et al
[A] DE 1126354 B 19620329 - HOECHST AG
[A] FR 1124826 A 19561018 - ONDERZOEKINGS INST RES
[A] EP 0639664 A1 19950222 - BASF CORP [US]
[A] US 2317728 A 19430427 - BRISTOL JOHN E
[A] WO 9521955 A2 19950817 - DENDERLAND MARTIN NV [BE], et al
[A] GB 1464866 A 19770216 - ICI LTD
[A] GB 1254541 A 19711124 - COURTAULDS LTD [GB]
[A] DATABASE WPI Section Ch Week 7729, Derwent World Patents Index; Class A23, AN 77-50869Y, XP002082664
[A] DATABASE WPI Section Ch Week 9628, Derwent World Patents Index; Class A86, AN 96-271655, XP002082665
[A] DATABASE WPI Section Ch Week 8126, Derwent World Patents Index; Class A23, AN 81-46900D, XP002082666
[A] DATABASE WPI Section Ch Week 9206, Derwent World Patents Index; Class A35, AN 92-044607, XP002082667

Designated contracting state (EPC)

BE DE DK FR GB IT NL

DOCDB simple family (publication)

EP 0962581 A1 19991208

DOCDB simple family (application)

EP 99810454 A 19990526