Method for synthesizing polymeric AZO dyes
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United States of America Patent
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Feb 12, 2002
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app pub date -
Oct 6, 1999
filing date -
Oct 6, 1999
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Abstract
A method of coupling a diazonium salt with an organic polymer comprising, on order, the steps of: providing a polymer in one liquid phase; providing an diazonium salt in a separate liquid phase; contacting the separate phases, and thereby reacting the polymer and the diazonium salt.
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