Anhydrous fluorescent whitening agent formulation
US5695687A · kind A · utility
0Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1996 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | May 2, 2016 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L4/664
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an anhydrous fluorescent whitening agent formulation comprising: a) 5 to 60, preferably 15 to 45% by weight of a fluorescent whitening agent or a mixture thereof; b) 0 to 10, preferably 0 to 2% by weight of a stabiliser or a mixture thereof; c) 0 to 10, preferably 0.5 to 2% by weight of a dispersant or a mixture thereof; d) 0 to 10, preferably 0.5 to 2% by weight of an auxiliary or a mixture thereof; and e) an anhydrous dispersion medium or a mixture thereof to make up 100% by weight, each based on the total weight of the formulation. The formulation is useful for the preparation of detergents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.