Phosphoric esters and their use as dispersants
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United States of America Patent
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Jul 23, 2002
Grant Date -
Sep 27, 2001
app pub date -
Apr 10, 2001
filing date -
Feb 19, 1998
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Abstract
The invention relates to phosphoric esters of the general formula I ##STR1## where X is 1 or 2; n is from 2 to 18; m and o are each from 2 to 100; k is from 2 to 4; R' is H or a linear or branched alkyl radical; and R' is an alkyl, alkaryl, alkenyl, or sulfopropyl radical, and to there use as dispersants for pigments and fillers in aqueous or organic media.
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