Method of preparing X-ray contrast media containing ores of hafn

Details Method of preparing X-ray contrast media containing ores of hafn Method of preparing X-ray contrast media containing ores of hafn

1976-04-21

1978-03-14

Meyers, Albert T.

Drug, bio-affecting and body treating compositions

Radionuclide or intended radionuclide containing; adjuvant...

Molecular bilayer structure

424127, 424131, A61K 2902

Patent

active

040791246

ABSTRACT:
A method of preparing enteric X-ray contrast media particularly suited to the use of high energy X-ray sources are disclosed. The disclosed media comprise hafnium, tantalum, tungsten, oxides or insoluble salts thereof in purified form, mixtures thereof and, more particularly, partially purified ores containing one or more of them in combination with a suitable carrier.

REFERENCES:
patent: 2461702 (1949-02-01), Slaybaugh
patent: 3542915 (1970-11-01), Bodkin
patent: 3592185 (1971-07-01), Frei et al.
patent: 3937800 (1976-02-01), Dure-Smith et al.
Hackh's Chemical Dictionary, The Bladiston Co., 3rd Ed., Philadelphia, (1944), pp. 216, 758, 831, 874 and 875.

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