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US 11,421,190 B2Granted
Detergent additive
AssigneeDow Global Technologies LLC
InventorsLiang Chen, Xue Chen
Life of this patent
Estimating the term…
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.
Claims3
A detergent additive comprising:
- an active, the active comprising one or both of tetraacetylethylenediamine and triacetylethylenediamine;
- where the active is encapsulated or partially encapsulated within a network consisting of polyvinyl butyral.
Dependencies are inferred from the claim text.