公开(公告)号：IT1046407B

公开(公告)日：1980-06-30

申请号：IT2357075

申请日：1975-05-21

Applicant: MONTEDISON SPA

Inventor： GIAMPIERO PIERI ,  CAMILLO PAFFONI ,  ANTONIO TUNDO ,  ANGELO MANGINI ,  ROBERTO CIPOLLI

IPC: C09B20060101 ,  C09B

Abstract: Azo dyes of formula (I): (in which R is methyl or ethyl; R or methyl; the COOH gp. is in m- or p-posn. to the azo gp.), are used for dyeing polyamide fibres in yellow-to-orange shades, from boiling aq. dye baths. Level shades are produced on stripy-dyeing polyamide fabrics with good intensity and fastness, esp. to wet treatments. or methyl; the COOH gp. is in m- or p-posn. to the azo gp.), are used for dyeing polyamide fibres in yellow-to-orange shades, from boiling aq. dye baths. Level shades are produced on stripy-dyeing polyamide fabrics with good intensity and fastness, esp. to wet treatments.

公开(公告)号：CH540319A

公开(公告)日：1973-08-15

申请号：CH1180370

申请日：1970-08-05

Applicant: MONTEDISON SPA

Inventor： GIOACCHINO BOFFA ,  ARGENTO CROTTI ,  GIAMPIERO PIERI ,  ANGELO MANGINI ,  ANTONIO TUNDO

IPC: C09B57/00 ,  C09B5/02 ,  C09B5/14