Catalysts and processes for the conversion of succinates to citraconates or itaconates
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United States of America Patent
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Nov 18, 2003
Grant Date -
Jun 26, 2003
app pub date -
Aug 23, 2002
filing date -
Jun 1, 2000
priority date (Note) -
Expired
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Abstract
Processes for producing citraconic anhydride and citraconic acid using porous materials with specific surface acidities and surface areas are described. The preferred catalyst is a porous gamma alumina. Itaconic acid is produced from citraconic acid. Itaconic acid is an intermediate to a variety of compounds including polymers.
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