Long-lasting aqueous dispersions or suspensions of pressure-resi

Details Long-lasting aqueous dispersions or suspensions of pressure-resi Long-lasting aqueous dispersions or suspensions of pressure-resi

1992-12-16

1995-05-09

Kumar, Shailendra

Drug, bio-affecting and body treating compositions

In vivo diagnosis or in vivo testing

Ultrasound contrast agent

12866001, 12866102, 12866202, 424 952, A61K 4900

Patent

active

054137748

ABSTRACT:
One can impart outstanding resistance against collapse under pressure to gas-filled microvesicle used as contrast agents in ultrasonic echography by using as fillers gases whose solubility in water, expressed in liter of gas by liter of water under standard conditions, divided by the square root of the molecular weight does not exceed 0.003.

REFERENCES:
patent: 4276885 (1981-07-01), Tickner et al.
patent: 4466442 (1984-08-01), Hillmann et al.
patent: 4718433 (1988-01-01), Feinstein
patent: 5147631 (1992-09-01), Glajach et al.
Epstein et al., J. Chem. Physics, Nov. 1990.

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