Polyvinyl alcohol envelopes of low air content as packing material for fibre-reactive dyes
US5145484A · kind A · utility
3Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Mar 29, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/13
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a stable, dust-free commercial form comprising at least one water-soluble monoreactive dye which comprises a monofluoro-s-triazine reactive radical, and/or at least one water-soluble polyreactive dye in a polyvinyl alcohol envelope. The dyeings obtained with the stable, dust-free commercial form are distinguished by good general fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.