Dyeing process and dyes
US5976197A · kind A · utility
5Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Jan 30, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/66
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for defining a substrate is provided. The process comprises applying to the substrate a water soluble dye having at least two electrophilic groups and a nucleophilic agent having a molecular weight below 600 and at least one group selected from aliphatic primary amino groups and secondary amino groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.