Solid free-flowing particulate laundry detergent composition
US9957470B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Mar 30, 2016 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Mar 30, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solid free-flowing particulate laundry detergent composition comprising: (a) from 0.1 wt % to 5 wt % hueing agent particle comprising: (i) from 2 wt % to 10 wt % hueing agent, wherein the hueing agent has the following structure:wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.