Patent · US Expired

Fiber reactive monoazo dyestuffs containing a --SO.sub.2 --CH.sub.2 --CH.sub.2 --O--PO.sub.3 H.sub.2 group

US4139527A · kind A · utility

6Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1973
Grant dateFeb 13, 1979
Priority date
Expiry dateAug 21, 1993

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B62/45
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A water-soluble monoazo-dyestuff having in form of the free acid the formula ##STR1## WHEREIN A represents as a radical of a diazo component phenyl; phenyl substituted by lower alkyl, lower alkylsulfonyl, lower alkoxy, carboxyl, trifluoromethyl, cyano, fluorine, chlorine, bromine, sulfonamido and carbonamido; naphthyl, nitronaphthylene, ##STR2## X represents hydrogen; phenyl; nitrophenylene or naphthyl, R represents as a bridging member --SO.sub.2 --, --CO--, --S--, --CO--NH--, --NH--CO--, --SO.sub.2 --NH--, --NH--SO.sub.2 --, --CH.sub.2 --, --NH-- or --N(lower alkyl)--; B represents as the radical of a coupling component N,N-di(lower alkyl)amino-phenylene, N,N-di (lower alkyl)amino-chloro-phenylene; hydroxyquinoline; diphenylamine; hydroxynaphthylene; hydroxynaphthylene substituted by acetylamino, benzoylamino or ##STR3## aminonaphthylene; ##STR4## substituted on the benzene nucleus by lower alkyl, lower alkoxy, chlorine and bromine; Z represents hydrogen, --COOH or --SO.sub.3 H, Y represents a direct linkage or one of the groupings --CH.sub.2 --, --CH.sub.2 13 CH.sub.2 --, --NH-- or --N(lower alkyl)--, the said groupings --Y--SO.sub.2 --CH.sub.2 --CH.sub.2 --O--PO.sub.3 H.sub.2 a…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.