Title: Process for preparing radiopharmaceuticals

Abstract: A process for the preparation of technetium-99m labeled pharmaceuticals is disclosed. The process comprises initially isolating technetium-99m pertechnetate by adsorption upon an adsorbent packing in a chromatographic column. The technetium-99m is then eluted from the packing with a biological compound to form a radiopharmaceutical.

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Inventors: Barak, Morton (Walnut Creek, CA, US)
Winchell, Harry S. (Lafayette, CA, US)

Application Number: 537930
Filing Date: 1975-01-02
Publication_date: 1977-01-04
Assignee: Medi-Physics, Inc. (Emeryville, CA)
Primary Class(es): 424/1.29 250/432PD, 423/2, 424/1.37, 424/1.65, 534/14
Other Classes:
US Patent Ref:

2487574	Nov, 1949	Meng	210/198.
3462245	Aug, 1969	Eudes et al.	23/252.
3466361	Sep, 1969	Richards et al.	424/1.

Other Refs:
Primary Examiner: Padgett, Benjamin R.
Assistant Examiner: Kyle, Deborah L.
Attorney: Welt; Samuel L., Leon; Bernard S., Swope; R. Hain