Catalytic dewaxing process for lube oils using a combination of a silicoaluminophosphate molecular sieve catalyst and an aluminosilicate zeolite catalyst
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United States of America Patent
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Sep 22, 1992
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N/A
app pub date -
Aug 31, 1989
filing date -
Aug 31, 1989
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Expired
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Abstract
The present invention relates to a process for catalytically dewaxing a hydrocarbon oil feedstock by contacting the feedstock with a combination of a catalyst comprising an intermediate pore size silicoaluminophosphate molecular sieve and a hydrogenation component and an intermediate pore size aluminosilicate zeolite catalyst.
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