Mixtures of fluorescent whitening agents
US4889655A · kind A · utility
0Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1988 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Dec 5, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L4/65
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Mixtures of fuorescent whitening agents comprising 5 to 45 parts by weight of 4,4'-bis(cyanovinyl)stilbene and 95 to 55 parts by weight of a compound of formula ##STR1## and the use of said mixtures and compositions containing them for whitening polyester fibres and textile material containing polyester fibres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.