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US 6,684,525 B2Granted
Phosphate fluorosurfactants for use in carbon dioxide
AssigneesThe University of North Carolina at Chapel Hill, North Carolina State University
InventorsJoseph M. DeSimone, Jason S. Keiper
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Abstract
A method of removing water from a composition of matter comprises contacting a first composition of matter comprising water with a second composition of matter comprising: (1) at least one surfactant comprising at least one phosphate group and (2) a solvent comprising carbon dioxide, wherein at least a portion of the surfactant is soluble in the solvent, such that the at least one surfactant removes at least a portion of the water from the first composition
Claims21
A method of removing water from a composition of matter, said method comprising:
- contacting a first composition of matter comprising water with a second composition of matter comprising:
- (1) at least one surfactant comprising at least one phosphate group and (2) a solvent comprising carbon dioxide, wherein at least a portion of the surfactant is soluble in the solvent, such that the at least one surfactant removes at least a portion of the water from the first composition.
Dependencies are inferred from the claim text.