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2 294 897

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(51)

IPC

C01G57/00(2006-01-01)

(21) (22)

Application

2005105504/15, 2005-02-28

(24)

Start date

2005-02-28

(22)

Actual filing date

2005-02-28

(45)

Published

2007-03-10

(72)

Inventor

Gorshkov Nikolaj IvanovichLumpov Aleksandr AleksandrovichMiroslavov Aleksandr Evgen'EvichSuglobov Dmitrij Nikolaevich

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Proizvodstvennoe Ob"Edinenie Institut Im. V.G. Khlopina"

METHOD OF PREPARING WATER-SOLUBLE CARBONYL COMPLEX OF SHORT-LIVING TECHNETIUM-99m Russian patent published in 2007 - IPC C01G57/00

Abstract RU 2294897 C2

FIELD: radiochemical technology.

SUBSTANCE: invention is concerned with development of methods for preparation of pharmaceutical agents based on radioactive isotopes. Preparation of water-soluble carbonyl complex of short-living technetium-99m involves treatment of potassium pertechnetate ^99mKTcO₄ with carbonylation agent in aqueous solution at 140-180°C and pressure 90-170 atm for 30-40 min. Carbonylation is conducted in presence of sodium iodide or potassium iodide and perchloric or sulfuric acid and resulting gaseous technetium-99m pentacarbonyl is caught by aqueous or water-alcohol solution into receiver.

EFFECT: enabled preparation of carbonyl complex of short-living technetium-99m.

2 cl, 8 ex

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RU 2 294 897 C2

Authors

Gorshkov Nikolaj Ivanovich

Lumpov Aleksandr Aleksandrovich

Miroslavov Aleksandr Evgen'Evich

Suglobov Dmitrij Nikolaevich

Dates

2007-03-10—Published

2005-02-28—Filed