Patent · US Expired

Anthraquinoid dyes

US4136100A · kind A · utility

6Cited by
0References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 19, 1977
Grant dateJan 23, 1979
Priority date
Expiry dateSep 19, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B1/50
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Dyes of the formula ##STR1## where Y is alkyl of 3 to 18 carbon atoms or phenyl which is unsubstituted or substituted by chlorine, bromine, alkoxy of 1 to 4 carbon atoms, alkoxycarbonyl (where alkoxy is of 1 to 4 carbon atoms), phenoxy, benzoylamino, trifluoromethyl or alkylcarbonyl (where alkyl is of 1 to 6 carbon atoms), X is hydrogen or ##STR2## where R is alkyl of 1 to 17 carbon atoms, phenylamino, phenyl, alkoxycarbonyl-alkyl (where alkoxy is of 1 to 8 carbon atoms and alkyl of 2 to 4 carbon atoms), alkoxy of 1 to 10 carbon atoms or alkoxyalkyl of a total of 3 to 12 carbon atoms, A is chlorine, bromine, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, B is hydrogen or nitro and n is 0, 1, 2 or 3. On cellulose and cellulose-containing textiles, the dyes, used in the presence of swelling agents, give bluish violet to greenish blue dyeings having very good fastness properties.

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