Porous inorganic ultrasound contrast agents

Details Porous inorganic ultrasound contrast agents Porous inorganic ultrasound contrast agents

1991-04-30

1992-09-15

Jaworski, Francis

Drug, bio-affecting and body treating compositions

In vivo diagnosis or in vivo testing

Magnetic imaging agent

12866202, A61K 4900, A61B 800

Patent

active

051476312

ABSTRACT:
The invention relates to ultrasound contrast agents comprising porous particles of an inorganic material containing an entrapped gas or liquid and having an average particle diameter of about 0.05 to 500 microns, said inorganic material being selected from one or more of the group consisting of: monomeric or polymeric borates; monomeric or polymeric aluminas; monomeric or polymeric carbonates; monomeric or polymeric silicas; and monomeric or polymeric phosphates; and pharmaceutically acceptable organic or inorganic cationic salts thereof.

REFERENCES:
patent: 4844882 (1989-07-01), Widder et al.
patent: 4900540 (1990-02-01), Ryan et al.
patent: 4957656 (1990-09-01), Cerny et al.

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