Structured aqueous detergent compositions containing salting-out electrolytes and surfactants and methods of forming them
First Claim
1. A structured aqueous detergent composition containing detergent-active material in the form of at least one detergent-active component and at least one electrolyte and having the following phases:
- (a) an isotropic aqueous solution forming a continuous phase;
(b) distributed and suspended in said solution (a) discrete units of one or more non-network-forming phases, each selected from the following;
(i) solid particles containing detergent-active material,(ii) lyotropic liquid crystals containing detergent-active material; and
(iii) non-encapsulated liquid droplets containing detergent-active material,(c) one or more suspending phases which cause the composition to be structured so as to suspend the non-network-forming phase (b);
said non-network-forming phase (b) having a higher concentration by weight of detergent-active material than said aqueous solution (a);
said composition having a viscosity of less than 2.5 Pas and a shear rate of 21S-1 and, if phase (b)(i) or (b)(ii) is present, the composition giving substantially no clear layer formation upon centrifuging at 800 G at 25°
C. for 17 hours.
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Accused Products
Abstract
A structured aqueous detergent composition containing detergent-active material in the form of at least one detergent-active component and at least one electrolyte and having the following phases:
(a) an isotropic aqueous solution forming a continuous phase;
(b) distributed and suspended in said solution (a) discrete units of one or more non-network-forming phases, each selected from the following:
(i) solid particles containing detergent-active material,
(ii) lyotropic liquid crystals containing detergent-active material; and
(iii) non-encapsulated liquid droplets containing detergent-active material,
(c) one or more suspending phases which cause the composition to be structured so as to suspend the non-network-forming phase (b); said non-network-forming phase (b) having a higher concentration by weight of detergent-active material than said aqueous solution (a).
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Citations
13 Claims
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1. A structured aqueous detergent composition containing detergent-active material in the form of at least one detergent-active component and at least one electrolyte and having the following phases:
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(a) an isotropic aqueous solution forming a continuous phase; (b) distributed and suspended in said solution (a) discrete units of one or more non-network-forming phases, each selected from the following; (i) solid particles containing detergent-active material, (ii) lyotropic liquid crystals containing detergent-active material; and (iii) non-encapsulated liquid droplets containing detergent-active material, (c) one or more suspending phases which cause the composition to be structured so as to suspend the non-network-forming phase (b); said non-network-forming phase (b) having a higher concentration by weight of detergent-active material than said aqueous solution (a); said composition having a viscosity of less than 2.5 Pas and a shear rate of 21S-1 and, if phase (b)(i) or (b)(ii) is present, the composition giving substantially no clear layer formation upon centrifuging at 800 G at 25°
C. for 17 hours. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification