Cationic reaction products of basic carbamides and epithalohydrins
US5081294A · kind A · utility
2Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1989 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Mar 21, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There are disclosed quaternary ammonium salts which are obtainable by reacting basic carbamides containing a quaternisable nitrogen atom with epihalohydrins. These quaternary ammonium salts are particularly suitable for enhancing the color yield and the wet fastness properties of dyeings or printings produced on cellulosic fibre materials with anionic dye, e.g. reactive or direct dyes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.