Composition for the vapor phase dehydrohalogenation of 1,1,2-trihaloethane to 1,1-dihaloethylene and methods for preparing and using such composition
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United States of America Patent
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Dec 30, 2008
Grant Date -
Oct 2, 2008
app pub date -
Jun 3, 2005
filing date -
Jun 3, 2005
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Abstract
Described are compositions adapted to catalyze the vapor phase dehydrohalogenation of 1,1,2-trihaloethane to 1,1-dihaloethylene, e.g., 1,1,2-trichloroethane to vinylidene chloride. These materials include activated carbon and at least one benzimidazole-containing material defined herein as including benzimidazole, a derivative thereof, a salt thereof or mixtures thereof. Also described are methods for producing and using these catalytic compositions.
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