Method for producing ester plasticizers
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United States of America Patent
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Oct 30, 2001
Grant Date -
N/A
app pub date -
Nov 17, 1999
filing date -
May 22, 1997
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Abstract
The invention relates to an improved method for producing ester plasticizers by reacting di- or polycarboxylic acids or their anhydrides with alcohols in the presence of metal catalysts.
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