Device and method for carrying out a plurality of sequential transformations of a substrate
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United States of America Patent
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Mar 2, 1993
Grant Date -
N/A
app pub date -
Jun 26, 1990
filing date -
Jun 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device or kit having inlet means for introducing within the kit a first reagent, includes a substrate and at least a second reagent in the form of microcapsules adapted to release, according to a predetermined release profile, the second reagent after the first reagent has been introduced into the kit. The device allows to carry out at least two and optionally more transformations of the physical and/or chemical properties of the substrate by means of a single step procedure by the operator consisting of the introduction of the first reagent. The invention particularly relates to the preparation of stable injectable preparations of radiopharmaceuticals.
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