Method for preparing halotriazine dye- and vinyl sulfone dye-monomer compounds
US5944853A · kind A · utility
119Cited by
22References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Nov 13, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A highly purified monomer-dye unit is disclosed. A method for producing a highly purified monomer-dye unit is also disclosed. A hydrophilic monomer is reacted with a halotriazine or vinyl sulfone dye in the presence of a base under conditions that yield highly pure monomer-dye units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.