INTERCONVERSION BETWEEN ISOMERIC P-MENTHANE-3-CARBOXYLIC ACIDS
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United States of America Patent
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Issued Date -
Nov 8, 2012
app pub date -
May 3, 2011
filing date -
May 3, 2011
priority date (Note) -
Abandoned
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Abstract
A process for interconversion between WS-1 and neo-WS-1 by heating to a temperature in a range of from 60 degrees Celsius to 250 degrees Celsius. The heating can be done in the presence of an acid catalyst. Starting from practically pure (=98%) WS-1, or mixtures of WS-1 and neo-WS-1, practically pure (=98%) neo-WS-1 can be obtained. Starting from practically pure (=98%) neo-WS-1, or mixtures of WS-1 and neo-WS-1, practically pure (=98%) WS-1 can be obtained.
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