Title:
【発明の名称】酸性ジアゾ染料並びにその中間生成物としてのスルホンアミド
Document Type and Number:
Japanese Patent JP2000503338
Kind Code:
A
Abstract:
PCT No. PCT/EP97/00174 Sec. 371 Date Jul. 22, 1998 Sec. 102(e) Date Jul. 22, 1998 PCT Filed Jan. 16, 1997 PCT Pub. No. WO97/27248 PCT Pub. Date Jul. 31, 1997Disazo dyes of formula (I) where one of the two symbols X1 and X2 means hydroxy and the other amino and R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the specification. The invention also relates to sulphonamides as their intermediate products and to the use of the dyes for the dyeing of natural and synthetic substrates.
Inventors:
Gunter Ram
Helmut Reichert
Gerhard Vergen Blast
Helmut Reichert
Gerhard Vergen Blast
Application Number:
JP52648897A
Publication Date:
March 21, 2000
Filing Date:
January 16, 1997
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07C311/44; C07D271/10; C09B33/10; C09B62/513; C07D271/06; (IPC1-7): C09B33/10; C07C311/44; C07D271/06; C07D271/10; C09B62/513
Attorney, Agent or Firm:
Toshio Yano (3 outside)