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US 5,708,144 AGranted
Process for the purification of natural pulmonary surfactant material using supercritical fluids
AssigneeChiesi Farmaceutici S.p.A.
InventorsPaolo Chiesi, Paolo Ventura, Roberto Pighi, Vittorino Servadio, Walter Recchia
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Abstract
A process for purifying natural pulmonary surfactant by dispersing animal lung tissue on an inert carrier and extracting with a supercritical fluid.
Claims12
A process for extracting natural pulmonary surfactant from an animal lung tissue, comprising the steps of:
- dispersing said animal lung tissue on an inert carrier material, and
- extracting said animal lung tissue with a supercritical fluid.
Dependencies are inferred from the claim text.