Self-preserved oil dispersions comprising boric acid
US9682147B2 · kind B2 · utility
2Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2013 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Feb 22, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P27/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a self-preserved oil dispersion. Especially, the present invention relates to a self-preserved oil dispersion including a dispersed oil phase, an aqueous phase and at least one surfactant, wherein said oil dispersion comprises boric acid in an amount ranging from 0.005% to 0.075% in weight of the total weight of the oil dispersion, said amount of boric acid being a preservative effective amount so that the oil dispersion has a preservative activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.