Reactive dyes, processes for their manufacture and their use
US4330469A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1980 |
| Grant date | May 18, 1982 |
| Priority date | — |
| Expiry date | Nov 25, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides reactive dyes of the formula ##STR1## wherein Pc is the radical of a copper or nickel phthalocyanine, X is a substituted or unsubstituted amino group, A is an alkylene or arylene radical, Y is a removable or non-removeable substituent, W is sulfo or carboxyl, and Z is a reactive radical, and a, b and c are whole or fractional numbers, with the proviso that each of a and c is at least 1, b is a value between 0 and 2 and the sum of a+b+c must be 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.