Liquids having oil-in-water self-emulsifying properties, compositions, uses and methods relating to same
US11452680B2 · kind B2 · utility
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4References
23Claims
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Key dates
| Filing date | Oct 24, 2019 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Nov 28, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5422
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure provides an oil-in-water (O/W) emulsifier comprising esters of polyglycerol-6 and of fatty acids, and of polyglycerol-X, wherein X is any one of 4, 5 and 7 to 12 and of fatty acids, wherein the fatty acids are liquid fatty acids having a purity of at least 85% w/w, wherein the polyglycerols have a purity of at least 60% w/w, and wherein the emulsifier can form a stable O/W emulsion for at least 1 week at about 50° C. It also provides a method for making the emulsifier and emulsions comprising the emulsifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.