Process for removal of excess dye from printed or dyed fabric or yarn
US6248134A · kind A · utility
4Cited by
10References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 8, 2000 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Feb 8, 2020 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a process for removal of excess dye from newly manufactured printed or dyed fabric or yarn, comprising treatment with a rinse liquor comprising at least one enzyme selected from the group consisting of enzymes exhibiting peroxidase activity or laccase activity, an oxidation agent, and at least one mediator selected from the group consisting of aliphatic, cyclo-aliphatic, heterocyclic or aromatic compounds containing the moiety >N--OH, in particular 1-hydroxybenzotriazole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.