Mordant composition containing citric acid for dye processes
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United States of America Patent
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Jul 29, 1997
Issued Date -
N/A
app pub date -
Sep 19, 1996
filing date -
May 10, 1993
priority date (Note) -
Expired
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Abstract
A mordant for dyeing fibers is provided comprising an aluminum salt, preferably Al.sub.2 (SO.sub.4).sub.3, potassium or sodium carbonate, preferably the latter, and citric acid, capable of forming an aluminum hydroxide suspension in aqueous media having a pH of about 3.5-4. Methods of use of this composition are also provided. The mordant is useful in commercial dye processes including package dyeing.
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