Detergent additive
US11421190B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2018 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | Aug 11, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0039
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent additive comprising an active, the active comprising one or both of tetraacetylethylenediamine and triacetylethylenediamine; and polyvinyl butyral. A method of preparing a detergent additive comprising providing a solvent to a reaction mixture; providing polyvinyl butyral to the reaction mixture; providing an active to the reaction mixture, the active comprising one or both of tetraacetylethylenediamine and triacetylethylenediamine; mixing the reaction mixture; and spray-drying the reaction mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.