Oxidation catalyst for internal combustion engines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 20, 2000
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N/A
app pub date -
Dec 16, 1998
filing date -
Dec 17, 1997
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Expired
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Abstract
An oxidation catalyst for internal combustion engines which contains platinum on a finely divided support material and containing lead as a promoter. The catalytic activity of the oxidation catalyst can be increased greatly by promoting the catalyst with lead at a molar ratio of lead to platinum of 2:1. The light-off temperatures of the promoted catalyst are well below the corresponding temperatures for a conventional, lead-free catalyst.
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