公开(公告)号：AU7211300A

公开(公告)日：2000-11-17

申请号：AU7211300

申请日：2000-04-17

Applicant: BASF AG

Inventor： SCHROTT WOLFGANG ,  GRUND NORBERT ,  MAIER PETER ,  SCHNITZER GEORG ,  SUTSCH FRANZ ,  BECHTOLD THOMAS ,  KRUGER RUDOLF

IPC: C09B7/00 ,  C09B7/02 ,  C09B67/00 ,  C09B67/30 ,  D06P1/22

Abstract: From 5 to 60% by weight aqueous alkaline solutions of reduced indigoid dyes are prepared by reducing the indigoid dye electrochemically in the presence of a mediator.

公开(公告)号：DE19919746A1

公开(公告)日：2000-11-02

申请号：DE19919746

申请日：1999-04-29

Applicant: BASF AG

Inventor： SCHROTT WOLFGANG ,  GRUND NORBERT ,  MAIER PETER ,  SCHNITZER GEORG ,  SUETSCH FRANZ ,  BECHTOLD THOMAS ,  KRUEGER RUDOLF

IPC: C09B7/00 ,  C09B7/02 ,  C09B67/00 ,  C09B67/30 ,  D06P1/22

Abstract: The invention relates to a method for producing 5 to 60 wt. % aqueous alkaline solutions of reduced indigoid dyes by reducing the indigoid dye electrochemically in the presence of a mediator.