Stain removal through novel oxidizer and chelant combination
US12054694B2 · kind B2 · utility
0Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2021 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Oct 15, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a detergent composition comprising alkali metal carbonate, a chelant selected from the group consisting of MGDA, alkali metal tripolyphosphate, GLDA, and mixtures thereof, alkali metal percarbonate, and a peroxidation catalyst, wherein the molar ratio of chelant to alkali metal percarbonate is in the range of 1.8 to 3.4. The detergent composition is particularly suited for the removal of tea and coffee stains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.