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US 11,684,557 B2Granted
Preservation compositions
AssigneeConopco, Inc.
InventorsStuart Campbell-Lee, Rupak Mitra, Thomas Richard Pointon, Ian Peter Stott
Life of this patent
Estimating the term…
Abstract
An antimicrobial preservation system comprising: i. itaconic acid or salt thereof and ii. benzoic acid or salt thereof.
Claims7
A personal care composition comprising an antimicrobial preservation system comprising:
- i. itaconic acid or salt thereof, and
- ii. benzoic acid or salt thereof;
- wherein the weight ratio of itaconic acid or salt thereof to benzoic acid or salt thereof is from 1:8 to 8:1;
- wherein the level of preservation system is from 0.05 wt % to 5 wt % of the total composition;
- and
- wherein the composition comprises at least 75 wt % water by weight of the total composition.
3 more elements
A method of preserving a personal care composition comprising the step of adding to the composition an antimicrobial preservation system comprising:
- i. itaconic acid or salt thereof, and
- ii. benzoic acid or salt thereof;
- wherein the weight ratio of itaconic acid or salt thereof to benzoic acid or salt thereof is from 1:8 to 8:1;
- wherein the level of preservation system is from 0.05 to 5 wt % of the total composition;
- and
- wherein the composition comprises at least 75 wt % water by weight of the total composition.
3 more elements
Dependencies are inferred from the claim text.