Additive for controlling spotting in automatic dishwashing systems
AssigneesDow Global Technologies LLC, Rohm and Haas Company
InventorsScott Backer, Marianne P. Creamer, Severine Ferrieux, Paul Mercando, Eric P. Wasserman
Life of this patent
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Abstract
An automatic dishwashing detergent composition comprising: (a) 0.5 to 8 wt % of a polymer comprising polymerized units of: (i) 5 to 75 wt % itaconic acid, (ii) 10 to 60 wt % of vinyl acetate; and (iii) 10 to 50 wt % (meth)acrylic acid; and having Mw from 5,000 to 100,000; (b) 2 to 50 wt % of an aminocarboxylate builder; (c) 1 to 10 wt % of a nonionic surfactant; (d) 20 to 75 wt % of carbonate, citrate, silicate or a combination thereof; and (e) 5 to 25 wt % of a bleaching agent.
Claims8
An automatic dishwashing detergent composition comprising:
- (a) 0.5 to 8 wt % of a polymer comprising polymerized units of:
- (i) 5 to 75 wt % itaconic acid, (ii) 10 to 60 wt % of vinyl acetate;
- and (iii) 10 to 50 wt % (meth)acrylic acid;
- and having Mw from 5,000 to 100,000;
- (b) 2 to 50 wt % of an aminocarboxylate builder;
- (c) 1 to 15 wt % of a nonionic surfactant;
- (d) 20 to 75 wt % of carbonate, citrate, silicate or a combination thereof;
- and (e) 5 to 25 wt % of a bleaching agent.
An automatic dishwashing detergent composition comprising:
- (a) 0.5 to 8 wt % of a polymer comprising polymerized units of:
- (i) 5 to 95 wt % itaconic acid and (ii) 5 to 95 wt % of vinyl acetate (b) 2 to 50 wt % of an aminocarboxylate builder;
- (c) 1 to 15 wt % of a nonionic surfactant;
- (d) 20 to 75 wt % of carbonate, citrate, silicate or a combination thereof;
- and (e) 5 to 25 wt % of a bleaching agent.
Dependencies are inferred from the claim text.