公开(公告)号：IT7819897D0

公开(公告)日：1978-02-02

申请号：IT1989778

申请日：1978-02-02

Applicant: MONTEDISON SPA

Inventor： FABRIZIO MERLO ,  GIORGIO BORNENGO

IPC: C09B23/00 ,  C09B23/04 ,  C09B

Abstract: Isatin derivative suitable as disperse dyes having the general formula: … … wherein the symbols have the following meanings:… R represents an alkyl group having up to 5 carbon atoms, a -CH2-COOX group, wherein X stands for an alkyl group having up to 4 carbon atoms, a … … group, or a -CH2-CH2-CN group; and R1 represents a H atom, a halogen, preferably Cl or Br, or NO2;… and the preparation thereof are described. … The disperse dyes of the invention are particularly suited for the dyeing and printing of synthetic fibres, such as polyester fibres, in shades from yellow-green to orange. The dyes are obtained by condensation of 2-benzimidazolyl-acetonitrile with the corresponding isatinic derivative.

公开(公告)号：IT7920035D0

公开(公告)日：1979-02-09

申请号：IT2003579

申请日：1979-02-09

Applicant: MONTEDISON SPA

Inventor： FABRIZIO MERLO ,  GIORGIO BORNENGO ,  RUGGERO BATTISTI ,  NICOLA MAZZAFERRO

IPC: C09B20060101 ,  C09B