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US 2011/0237482 A1Published application
Dishwasher detergent
AssigneeHenkel AG & Co. KGaA
InventorsDorota Sendor-Müller, Johannes Zipfel, Arnd Kessler, Christian Nitsch, Sven Müller, Wolfgang Wick
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Abstract
Phosphate-free, bleach-free automatic dishwashing agents comprising 10 to 60 wt % citrate and from 1 to 30 wt % maleic acid are described, wherein the automatic dishwashing agents are characterized by good cleaning performance, particularly in the improved cleaning of tea stains.
Claims20
A phosphate-free and bleach-free automatic dishwashing agent comprising:
- a) 10 to 60 wt. % of citrate;
- and
- b) 0.5 to 20 wt. % of dicarboxylic acid.
A phosphate-free and bleach-free automatic dishwashing agent comprising:
- a) 10 to 40 wt. % of citrate;
- b) 2.0 to 16 wt. % of maleic acid;
- c) 0.1 to 8 wt. % of at least one of an amylase and protease enzyme preparation;
- d) 2.0 to 20 wt. % of anionic copolymer, said copolymer comprising:
- i) mono- or polyunsaturated carboxylic acid monomers;
- ii) mono- or polyunsaturated sulfonic acid monomers;
- and
- iii) optionally additional ionic or non-ionic monomers;
- and
- e) 0.2 to 10 wt. % of non-ionic surfactant.
7 more elements
A phosphate-free and bleach-free automatic dishwashing agent comprising:
- a) 10 to 40 wt. % of citrate;
- b) 2.0 to 16 wt. % of maleic acid;
- c) 0.1 to 8 wt. % of at least one of an amylase and protease enzyme preparation;
- d) 2.0 to 20 wt. % of anionic copolymer, said copolymer comprising:
- i) mono- or polyunsaturated carboxylic acid monomers;
- ii) mono- or polyunsaturated sulfonic acid monomers;
- and
- iii) optionally additional ionic or non-ionic monomers;
- e) 0.2 to 10 wt. % of non-ionic surfactant;
- and
- f) 20 to 70 wt. % of water.
8 more elements
Dependencies are inferred from the claim text.