Colored speckles having delayed release properties
US8476216B2 · kind B2 · utility
6Cited by
13References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2011 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Jul 26, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0039
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to non-bleeding and controlled color-releasing speckles for use in granular laundry detergents and other consumer products. The speckles are comprised of a salt or salt-containing carrier, a coloring agent, and a water-insoluble (or minimally water-soluble) salt coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.