Global Patent Index - EP 0569793 A1

EP 0569793 A1 19931118 - Process for dyeing of polyamides in the presence of manganese (II) salts.

Title (en)

Process for dyeing of polyamides in the presence of manganese (II) salts.

Title (de)

Färbeverfahren von Polyamiden in Gegenwart von Mangan (II) Salzen.

Title (fr)

Procédé de teinture de polyamides en présence de sels de manganèse II.

Publication

EP 0569793 A1 19931118 (DE)

Application

EP 93106986 A 19930429

Priority

DE 4215589 A 19920512

Abstract (en)

The novel process for dyeing polyamide fibres with acid dyes by adding small amounts of metal salts to the dyebath yields dyeings having a better lightfastness by up to three points.

Abstract (de)

Das neue Verfahren zum Färben von Polyamidfasern mit Säurefarbstoffen, bei dem dem Färbebad geringe Mengen an Metallsalzen zugesetzt werden, liefert Färbungen mit einer um bis zu drei Noten verbesserten Lichtechtheit.

IPC 1-7

D06P 1/673; D06P 1/651; D06P 3/24

IPC 8 full level

D06P 1/39 (2006.01); D06P 1/651 (2006.01); D06P 1/653 (2006.01); D06P 1/673 (2006.01); D06P 3/24 (2006.01)

CPC (source: EP US)

D06P 1/65125 (2013.01 - EP US); D06P 1/67341 (2013.01 - EP US); D06P 3/241 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0569793 A1 19931118; EP 0569793 B1 19951129; CA 2095798 A1 19931113; DE 4215589 A1 19931118; DE 59301039 D1 19960111; JP H07268783 A 19951017; US 5462565 A 19951031

DOCDB simple family (application)

EP 93106986 A 19930429; CA 2095798 A 19930507; DE 4215589 A 19920512; DE 59301039 T 19930429; JP 12999593 A 19930506; US 30255694 A 19940908