Laundry care compositions with thiazolium dye
US9796952B2 · kind B2 · utility
0Cited by
93References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2012 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Sep 23, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L4/629
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to thiazolium dyes, laundry care compositions comprising one or more thiazolium dyes, processes of making such dyes and laundry care compositions and methods of using same. The dyes, compositions and methods of the present invention are advantageous in providing improved hueing of fabric, including whitening of white fabric, while avoiding significant build up of bluing dyes on the fabric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.