Evan C. Unger,Edmund Marinelli,Delphine El Mehdi,Paul K. Olson
申请号：
US16734523
公开号：
US20200172908A1
申请日:
2020.01.06
申请国别(地区):
US
年份:
2020
代理人:
摘要：
The invention provides a composition which includes a shell comprising at least one lipid, wherein said shell defines an enclosed space, a gas disposed within the enclosed space, and a coating of a polyalkylene glycol attached to and extending outwardly from lipid shell, wherein the lipid shell has a diameter from about 30 nanometers to about 5 microns.
