Global Patent Index - EP 0499991 A3

EP 0499991 A3 19920916 - PROCESS FOR THE CHEMICAL FIXATION OF WOOL

Title (en)

PROCESS FOR THE CHEMICAL FIXATION OF WOOL

Publication

EP 0499991 A3 19920916 (DE)

Application

EP 92102549 A 19920215

Priority

DE 4105392 A 19910221

Abstract (en)

[origin: EP0499991A2] A process for the chemical fixation of wool, in particular by means of sodium hydrogensulphite solution, in which the wool is fixed as knitwear and/or as a piece of carpet. The process can take place in such a way that the knitwear or the piece of carpet is first impregnated with the sodium hydrogensulphite solution at a temperature from 30 DEG to 40 DEG C and then treated with steam for three minutes at a temperature of at least 95 DEG C.

IPC 1-7

D06M 11/54

IPC 8 full level

D06M 11/50 (2006.01); D06M 11/54 (2006.01); D06P 1/673 (2006.01)

CPC (source: EP)

D06M 11/50 (2013.01); D06M 11/54 (2013.01); D06P 1/67375 (2013.01); D06M 2101/10 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK FR GB LI NL

DOCDB simple family (publication)

EP 0499991 A2 19920826; EP 0499991 A3 19920916; EP 0499991 B1 19950510; AT E122418 T1 19950515; DE 4105392 A1 19920827; DE 4105392 C2 19950323; DE 59202108 D1 19950614

DOCDB simple family (application)

EP 92102549 A 19920215; AT 92102549 T 19920215; DE 4105392 A 19910221; DE 59202108 T 19920215