Precursors to Echogenic Polymer Microcapsules or Nanocapsules

One aspect of the invention provides a precursor to an echogenic polymer microcapsule or nanocapsule. The precursor includes an emulsion including a polymer solution and an aqueous solution including a water-soluble sublimable solute. This aspect of the invention can have a variety of embodiments. I...

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Bibliographische Detailangaben
Hauptverfasser:	WHEATLEY MARGARET A, EL-SHERIF DALIA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	One aspect of the invention provides a precursor to an echogenic polymer microcapsule or nanocapsule. The precursor includes an emulsion including a polymer solution and an aqueous solution including a water-soluble sublimable solute. This aspect of the invention can have a variety of embodiments. In one embodiment, the water-soluble sublimable solute can be an ammonium salt. For example, the ammonium salt can be ammonium carbonate.