3919075 is referenced by 30 patents and cites 10 patents.

Used lubricating oils containing soluble metal compounds, particularly those recovered from internal combustion engines, gear-boxes and differentials, are regenerated by circulating them along a first face of a membrane permeable to hydrocarbons, preferably an ultra-filtration membrane, and collecting a purified oil on the other face of the membrane.

Title
Process for regenerating used lubricating oils
Application Number
05/459,413
Publication Number
3919075
Application Date
April 9, 1974
Publication Date
November 11, 1975
Inventor
Rojey Alexandre
Born Maurice
Parc Guy
Agent
Millen Raptes & White
Assignee
Institut Francais du Petrole
IPC
C10G 07/00
B01D 03/28
C10M 175/06
C10M 175/00
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