公开(公告)号：CZ2001108A3

公开(公告)日：2001-05-16

申请号：CZ2001108

申请日：1999-07-02

Applicant: BASF AG

Inventor： GANG MANFRED ,  KRUEGER RUDOLD ,  MIEDERER PETER

IPC: C09B67/30 ,  C09B7/02 ,  D06P1/22 ,  D06P1/673

Abstract: Concentrated leuco indigo solutions useful for dyeing cellulosic textile material consist essentially of from 25 to 55% by weight of leuco indigo in the form of the leuco indigo salt, an amount which is essentially stoichiometrically sufficient to convert the leuco indigo into the neutral leuco indigo salt of a mixture of at least two alkali metal hydroxides wherein none of the alkali metal hydroxides accounts for more than 70 mol %, and water.

公开(公告)号：CZ20010108A3

公开(公告)日：2001-05-16

申请号：CZ20010108

申请日：1999-07-02

Applicant: BASF AG

Inventor： GANG MANFRED ,  KRUEGER RUDOLD ,  MIEDERER PETER

IPC: C09B67/30 ,  C09B7/02 ,  D06P1/22 ,  D06P1/673

CPC classification number: C09B7/02 ,  D06P1/228 ,  D06P1/6735