Catalyst composition containing gallium for purifying exhaust gases of internal combustion engine
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United States of America Patent
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Issued Date -
May 31, 2007
app pub date -
Nov 27, 2006
filing date -
Nov 28, 2005
priority date (Note) -
Abandoned
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Abstract
The invention relates to a catalyst composition for purifying exhaust gases of an internal combustion engine including a support impregnated with a first platinum group metal component and a metal component including gallium, which is a catalyst of a type commonly called a 'Three-Way Conversion (TWC)' catalyst, and which improves the reduction of NOx and the oxidation of HC and CO.
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