Wax isomerization using catalyst of specific pore geometry

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United States of America Patent

PATENT NO 5135638
SERIAL NO

07556946

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Abstract

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The present invention relates to a process for producing a lube oil having a low pour point and excellent viscosity and viscosity index comprising isomerizing a waxy feed over a catalyst comprising a molecular sieve having generally oval 1-D pores having a minor axis between about 4.2 .ANG. and about 4.8 .ANG. and a major axis between about 5.4 .ANG. and about 7.0 .ANG. and at least one group VIII metal. SAPO-11, SAPO-31, SAPO-41, ZSM-22, ZSM-23 and ZSM-35 are examples of useful catalysts.

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Patent Owner(s)

Patent OwnerAddress
CHEVRON RESEARCH AND TECHNOLOGY COMPANY SAN FRANCISCO CA A DE CORPNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miller, Stephen J San Francisco, CA 262 5521

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