Screening for optimal yield in the crystallization of multicomponent systems
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United States of America Patent
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Apr 11, 2006
Grant Date -
Mar 11, 2004
app pub date -
Nov 5, 2001
filing date -
Nov 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of determining the optimal yield of a target compound includes the steps of: (a) determining the initial composition of a mixture of compounds containing the target compound; (b) dissolving the mixture in a solvent; (c) placing a quantity of the solution in a plurality of vessels; (d) optionally, placing a portion of a different derivatising agent in each vessel; (e) causing crystallisation to occur; (f) analysing the contents of the vessels after the crystallisation has approached equilibrium to determine the compositions of the liquors and the compositions of the solids; and (g) comparing the compositions determined in step (f) to profile the performance of each system in terms of the projected maximum yield of target compound is an optimised crystallisation process.
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