Method of making polymeric gas or air filled microballoons for u

Details Method of making polymeric gas or air filled microballoons for u Method of making polymeric gas or air filled microballoons for u

1994-08-10

1998-01-27

Bawa, Raj

Drug, bio-affecting and body treating compositions

In vivo diagnosis or in vivo testing

Ultrasound contrast agent

424489, A61K 914

Patent

active

057119333

ABSTRACT:
Method of making gas or air filled microballoons having a mean size in the range of 0.5 to 1000 microns bounded by a 50 to 500 nm thick biodegradable, interfacially deposited, synthetic polymer membrane which is deformable and resilient for use in ultrasonic contrast compositions are described.

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