PRODUCTION OF LUBRICATING OILS
United States Patent 3438887
Inventors:
Morris, Herbert C.
Sequeira Jr., Avilino
Publication Date:
04/15/1969
Other Classes:
208/18, 208/2, 208/28, 208/97, 208/111.350, 208/111.150
International Classes:
C10G65/04; C10G67/04; C10G65/00; C10G67/00; C10G31/14; C10G43/14