EP0224934A2 — Contrast agent, process for its preparation and its use for ultrasonic imaging
Assigned to Individual · Expires 1987-06-10 · 39y expired
What this patent protects
A contrast agent for ultrasonic imaging and a process for its preparation is disclosed. The contrast agent is an aqueous protein solution which is characterized in that it comprises microbubbles having a mean particle size of about 2 to 4 microns. The microbubbles are produced by…
USPTO Abstract
A contrast agent for ultrasonic imaging and a process for its preparation is disclosed. The contrast agent is an aqueous protein solution which is characterized in that it comprises microbubbles having a mean particle size of about 2 to 4 microns. The microbubbles are produced by subjecting the solution to light-frequency ultrasonic energy.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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