Laundry care compositions
US11530374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2015 |
| Grant date | Dec 20, 2022 |
| Priority date | — |
| Expiry date | May 25, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A laundry care composition comprises a laundry care ingredient or adjunct and at least one compound that is capable of changing from a first color state (i.e., the initial color state in the composition) to a second color state that is perceptibly different from the first color state. A method for treating textile articles comprises the steps of: (a) providing a laundry care composition as described above; (b) adding the laundry care composition to a liquid medium; and (c) placing the textile articles in the liquid medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.