Synergistic preservative blends
US11207252B2 · kind B2 · utility
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3References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2014 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Jun 27, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A synergistic preservative composition comprises sorbic acid or a salt thereof, benzyl alcohol, and a mixture of (i) 1,2-propanediol and/or 1,3-propanediol, and (ii), 4-butanediol and/or 1,3-butanediol. The composition is particularly suited for the preservation of cosmetics and personal care products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.