Aqueous dye formulations for cellulose or cellulose-containing fibers
US4213757A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1977 |
| Grant date | Jul 22, 1980 |
| Priority date | — |
| Expiry date | Aug 1, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/8233
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Aqueous dye formulations which contain one or more sparingly water-soluble, or water-insoluble, phthalocyanine-sulfonamides of the formula ##STR1## where A is a (n+m)-valent radical of copper phthalocyanine, cobalt phthalocyanine or nickel phthalocyanine which may be substituted by up to 4 chlorine or bromine atoms, R is hydrogen, alkyl of 1 to 5 carbon atoms or alkoxyalkyl of a total of 3 to 7 carbon atoms, R.sup.1 is a substituted or unsubstituted aliphatic, cycloaliphatic, araliphatic or aromatic radical, or ##STR2## is a saturated 5-membered or 6-membered heterocyclic ring, X.sup..sym. is H.sup..sym., an alkali metal ion, (NH.sub.4).sup..sym. or ##STR3## (where R and R.sup.1 have the above meanings), n is 2, 3 or 4 and m is 0 or 1, together with one or more conventional dispersing agents and humectants and with or without a disinfectant. The formulations give very fast prints and dyeings on cellulose and on cellulose-containing fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.