Process for the production of aryl carbonates
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United States of America Patent
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Jan 16, 2001
Grant Date -
N/A
app pub date -
Aug 18, 1993
filing date -
Oct 22, 1991
priority date (Note) -
Expired
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Abstract
A process for the preparation of carbonates containing aromatic ester groups is disclosed. The process entails reacting aromatic monohydroxy componds with phosgene or with chlorocarbonic acid esters of aromatic monohydroxy compounds at a temperature of 50 to 350.degree. C. and in the presence of active carbon as catalyst.
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