Freeze-dried formulation for gas-filled microvesicles
US10232061B1 · kind B1 · utility
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24Claims
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Key dates
| Filing date | Jul 6, 2018 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Jul 6, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/223
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A freeze-dried powder composition comprising a phospholipid and a polyethylene glycol, said polyethylene glycol having a percentage of folded polymeric chains of 40% or higher. The composition is suitable for preparing gas-filled microvesicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.