公开(公告)号：US3506697A

公开(公告)日：1970-04-14

申请号：US3506697D

申请日：1968-03-15

Applicant: BAYER AG

Inventor： SCHOLL WALTER

IPC: C07C20060101 ,  C09B51/00 ,  C09B57/10

CPC classification number: C09B51/005 ,  C09B57/10

公开(公告)号：US3625937A

公开(公告)日：1971-12-07

申请号：US3625937D

申请日：1968-01-19

Applicant: BAYER AG

Inventor： SCHOLL WALTER

IPC: C09B45/16 ,  C09B45/06 ,  D06P1/10

CPC classification number: C09B45/16

Abstract: Chromium complex azo dyestuffs suitable for dyeing and printing nitrogen containing fiber materials particularly wool, silk, synthetic polyamides and polyurethanes in shades of yellow to orange color with improved fastness properties of the general formula

WHEREIN K is a monovalent cation, I is a monoazo dyestuff of the formula

AND II