Microcapsules formed from phosphate esters and compositions containing same
US9732303B2 · kind B2 · utility
2Cited by
7References
20Claims
0Family size
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Key dates
| Filing date | Jan 6, 2016 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Jan 6, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/654
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Microcapsules can be formed of a phosphate ester and a multivalent ion. The microcapsules can encapsulate a core material having a C log P value of about 0 or greater. The phosphate ester can be lipophilic and insoluble in aqueous solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.