Storage-stable formulation of fluorescent whitening mixtures
US5518657A · kind A · utility
19Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1994 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Jul 22, 2014 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L4/664
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Storage-stable formulations of whitening mixtures comprising at least two anionic fluorescent whiteners, which preferably contain at least one sulfonic acid radical; an anionic polysaccharide; dispersants and water, and if appropriate auxiliaries. These formulations are particularly suitable for the preparation of liquid washing agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.