Detergent tablet free of SLS surfactant and preparation method thereof
US12281285B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2024 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Oct 9, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This application discloses a detergent tablet free of SLS surfactant and its preparation method. The detergent tablet includes a film-forming agent, an anionic surfactant, a non-ionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and a essence. The film-forming agent includes one or more of polyvinyl alcohol, cellulose, and dodecenyl succinate starch ester. The anionic surfactant includes at least two of sodium α-olefin sulfonate, sodium fatty acid methyl ester sulfonate, and sodium hydroxyethyl sulfonate. The non-ionic surfactant includes at least two of fatty alcohol polyoxyethylene ethers, fatty acid methyl ester ethoxylate, and oil ethoxylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.