Preservative system
US10987292B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Nov 11, 2013 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Nov 11, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5922
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided herein is a cost-effective and potent preservative system for a composition comprising a salicylate salt and a benzoate salt in an amount of from 0.2 weight % to 0.5 weight % by total weight of the composition and in a molar ratio of salicylate to benzoate of 1:6 to 1:1.2, wherein the composition has a pH of 5 or less. Further provided herein is a method of using a combination of a salicylate salt and a benzoate salt in a preservative system in a composition, and a method of preserving a composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.