Formulations of fluorescent whitening agents in dispersed form
US8679199B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2012 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Jan 4, 2032 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/701
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a β-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibers, in particular polyester and polyacrylonitrile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.