Unitary laundry detergent article
US11015153B2 · kind B2 · utility
1Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2019 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Apr 29, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-soluble unitary laundry detergent article that contains two or more surfactant-containing non-fibrous sheets with a fabric hueing agent located between such non-fibrous sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.