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US 12,545,858 B2Granted
Liquid cleaning agent concentrate, ready-to-use solution, uses thereof and cleaning method
AssigneeChemische Fabrik Dr. Weigert GmbH & Co. KG
InventorsDennis Eisert, Bastian Wulff, Matthias Springer
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Abstract
Liquid cleaning agent concentrate comprising: a. at least one phosphonate, b. a first complexing agent selected from aminopolycarboxylic acids, hydroxycarboxylic acids, hydroxypolycarboxylic acids and their salts, and c. at least one enzyme, preferably proteolytic enzyme, a pH of the liquid cleaning agent concentrate being 9 or >9). The invention also relates to a ready-to-use solution; to uses thereof for cleaning and/or disinfecting objects and to cleaning methods.
Claims15
A liquid cleaning agent concentrate comprising:
- A) at least one phosphonate selected from the group consisting of salts of
- i) phosphonobutanetricarboxylic acid (PBTC);
- ii) aminotrismethylenephosphonic acid (ATMP);
- iii) 1-hydroxyethane-1,1-diphosphonic acid (HEDP);
- iv) diethylenetriamine penta(methylenephosphonic acid) (DTPMP);
- and mixtures thereof;
- B) a first chelating agent being (hydroxyethyl)ethylenediaminetriacetic acid or a salt thereof;
- C) a second chelating agent being methylglycinediacetic acid or a salt thereof;
- and
- D) at least one enzyme, wherein the pH of the liquid cleaning agent concentrate is from 9-12.
7 more elements
Dependencies are inferred from the claim text.