Bactericide surfactant compositions
First Claim
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1. A detergent comprising:
- a) 0.001% to 40% w/v of a bactericidally active water-insoluble cationic compound in its salt form wherein the counterion anion has at least one of the following properties;
1) can generate a water-insoluble salt form wherein less than 10% w/v dissolves in deionised water at 20°
C.;
2) has a MW of less than 300, but greater than 50, 3) the dissociation constant (Kd) of the salt form is less than 10−
3;
b) 0.001 to 40% w/v of an anionic surfactant; and
c) up to 98% w/v of water.
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Abstract
A detergent comprising: a) 0.001% to 40% w/v of a bactericidally active water-insoluble cationic compound in its salt form wherein the counterion anion has at least one of the following properties: 1) can generate a water-insoluble salt form, by water-insoluble we mean that less than 10% w/v dissolves in deionised water at 20° C., preferably less than 1% w/v; 2) has a MW of less than 300, (preferably less than 200) but greater than 50 (preferably greater than 75), 3) the dissociation constant (Kd) of the salt is less than 10−3, preferably less than 10−6; b) 0.001 to 40% w/v of an anionic surfactant; and c) up to 98% w/v of water.
23 Citations
11 Claims
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1. A detergent comprising:
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a) 0.001% to 40% w/v of a bactericidally active water-insoluble cationic compound in its salt form wherein the counterion anion has at least one of the following properties;
1) can generate a water-insoluble salt form wherein less than 10% w/v dissolves in deionised water at 20°
C.;
2) has a MW of less than 300, but greater than 50, 3) the dissociation constant (Kd) of the salt form is less than 10−
3;
b) 0.001 to 40% w/v of an anionic surfactant; and
c) up to 98% w/v of water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. Use of a bactericidally active water-insoluble cationic compound in its salt form, wherein the counterion anion has at least one of the following properties:
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1) can generate a water-insoluble salt form wherein less than 10% w/v dissolves in deionised water at 20°
C.;
2) has a MW of less than 300 but greater than 50;
3) the dissociation constant (Kd) of the salt form is less than 10−
3;
as a bactericidally active component of a fabric treatment composition comprising from 0.001 to 40% w/v of an anionic surfactant.
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Specification
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Current AssigneeReckitt Benckiser N.V. (Reckitt Benckiser Group PLC)
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Original AssigneeReckitt Benckiser N.V. (Reckitt Benckiser Group PLC)
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InventorsRighetto, Zefferino, De Dominicis, Mattia
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Application NumberUS10/524,085Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current510/383CPC Class CodesC11D 1/62 Quaternary ammonium compoundsC11D 1/65 Mixtures of anionic with ca...C11D 1/86 Mixtures of anionic, cation...C11D 3/48 Medical, disinfecting agent...
