Lewis acid catalyst composition
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United States of America Patent
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Aug 1, 2006
Grant Date -
Dec 2, 2004
app pub date -
Dec 19, 2002
filing date -
Dec 19, 2001
priority date (Note) -
Expired
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Abstract
A Lewis acid catalyst composition comprising a specific mixed medium and a Lewis acid catalyst, wherein the Lewis acid catalyst is at least one compound selected from the group consisting of compounds respectively represented by the following formulae (1) and (2): [(R.sub.f.sup.1SO.sub.2)(R.sub.f.sup.2SO.sub.2)N].sub.nM, (1) and [(R.sub.f.sup.1SO.sub.2)(R.sub.f.sup.2SO.sub.2)(R.sub.f.sup.3SO.sub.2)C].-sub.nM. (2) A method for continuously performing a reaction which proceeds in the presence of the above-mentioned Lewis acid catalyst by using a specific mixed medium and the above-mentioned Lewis acid catalyst. A novel Lewis acid catalyst.
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