Aqueous composition containing oligodynamic metal
AssigneeConopco, Inc., d/b/a UNILEVER
InventorsAjit Manohar AGARKHED, Nitish KUMAR
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Abstract
Disclosed is an aqueous composition having viscosity from 1 to 100 cP at 20° C., said composition comprising: (i) an oligodynamic metal or ions thereof; (ii) a chelating agent; and, (iii) free alkali less than 1 wt %, wherein said composition comprises 0.01 wt % to 2 wt % of a salt of an organic acid; pH of the composition is from 9 to 12 and molar ratio of said oligodynamic metal to said chelating agent is 1:0.25 to 1:10. The composition provides a robust solution for technical problems of discolouration and in stability.
Claims11
An aqueous composition having viscosity from 1 to 100 cP at 20° C., said composition comprising:
- (i) an oligodynamic metal or ions thereof;
- (ii) a chelating agent;
- and,
- (iii) free alkali less than 1 wt %,
- wherein said composition comprises 0.01 wt % to 2 wt % of a salt of an organic acid;
- pH of the composition is from 9 to 12 and molar ratio of said oligodynamic metal to said chelating agent is 1:0.25 to 1:10.
Use of a salt of an organic acid for stabilising the colour of an aqueous composition having viscosity from 1 to 100 cP at 20° C. and comprising an oligodynamic metal or ions thereof, a chelating agent and free alkali less than 1 wt %.
Dependencies are inferred from the claim text.