Back to results
US 8,709,990 B2Granted
Formulations, their use as or for producing dishwashing detergents and their production
AssigneeBASF SE
InventorsStephan Hueffer, Alejandra Garcia Marcos, Markus Hartmann, Heike Weber
Life of this patent
Estimating the term…
Abstract
Formulations comprising (A) at least one compound selected from aminocarboxylates and polyaminocarboxylates, (B) at least one homopolymer or copolymer of ethyleneimine, (C) sodium citrate and (D) at least one compound selected from alkali metal percarbonate, alkali metal perborate and alkali metal persulfate.
Claims15
A formulation, comprising:
- (A) in total, from 10 to 50% by weight of at least one compound selected from the group consisting of methylglycine diacetate (MGDA), nitrilotriacetic acid, glutamic acid diacetate, a salt of methylglycine diacetate, a salt of nitrilotriacetic acid, a salt of glutamic acid diacetate, a derivative of methylglycine diacetate, a derivative of nitrilotriacetic acid and a derivative of glutamic acid diacetate, and
- (B) in total, from 0.05 to 2% by weight of at least one ethyleneimine homopolymer,
- (C) in total, from 1 to 50% by weight of sodium citrate, and
- (D) in total, from 0.5 to 15% by weight of at least one compound selected from the group consisting of alkali metal percarbonate, alkali metal perborate and alkali metal persulfate,
- based in each case on the solids content of said formulation.
2 more elements
Dependencies are inferred from the claim text.