Alkylated and/or aralkylated polyhydroxy aromatic compounds and processes for their preparation and use
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United States of America Patent
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Aug 21, 2001
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N/A
app pub date -
Jun 22, 1995
filing date -
Jun 30, 1994
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Expired
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Abstract
Alkylated and/or aralkylated polyhydroxy aromatic compounds prepared by reaction of a polyhydroxy aromatic compound (A) with an alkylene compound (B) at elevated temperature with the addition of a mixture (C) of oxalic acid and boric acid in a molar ratio of from 1:5 to 1:0, are useful, for example, as starting materials for the preparation of condensation polymers.
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