04368112 is referenced by 23 patents and cites 27 patents.

A warm-up deoiling process for lube oil slack wax wherein cold slack wax from a solvent dewaxing operation is warmed up and mixed with solvent to dissolve foots oil contained therein and passed to a rotary drum filter to recover solid wax and a filtrate comprising a solution of foots oil and solvent wherein said filtrate is contacted with one side of a semi-permeable membrane made from regenerated cellulose which selectivity permeates at least a portion of solvent through said membrane and recycling the permeated solvent directly back into the warm-up deoiling operation as part of the solvent mixed with the slack wax.

Title
Solvent recovery from foots oil using modified regenerated cellulose membranes
Application Number
973967
Publication Number
4368112
Application Date
May 13, 1981
Publication Date
January 11, 1983
Inventor
David A Gudelis
Chatham
NJ, US
David H Shaw
Camlachie
CA
John A Thompson
Wyoming
CA
Agent
Joseph J Allocca
Assignee
Exxon Research and Engineering Co
NJ, US
IPC
C10G 73/08
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