Mineral oils: processes and products – Paraffin wax; treatment or recovery – Separation of paraffin from oil
Reexamination Certificate
2011-03-29
2011-03-29
Nguyen, Tam M (Department: 1771)
Mineral oils: processes and products
Paraffin wax; treatment or recovery
Separation of paraffin from oil
C208S033000, C208S036000, C208S108000, C208S027000
Reexamination Certificate
active
07914665
ABSTRACT:
The invention relates to a process for preparing lube oil basestocks from lube oil boiling range feeds. More particularly, the present invention is directed toward a process wherein a wax containing feed is solvent dewaxed to produce at least a partially dewaxed lube oil boiling range stream, which is hydrodewaxed to produce a first lube basestock. The first lube basestock is added to an independently selected second lube basestock and additives to make a lubricating oil.
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Cody Ian A.
Murphy William J.
Palmer Thomas R.
Stavens Elizabeth
Yeh Lisa I-Ching
ExxonMobil Research and Engineering Company
Migliorini Robert A
Nguyen Tam M
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