Inventor

DUMDUM JOSEFINA M

US3 patents

Patents

3 patents

US4908142AMar 13, 1990

Extreme pressure lubricating compositions and method of using same

UNION OIL CO16 citations70

US4908143AMar 13, 1990

Lubricating compositions and method of using same

UNION OIL CO15 citations70

US5200098AApr 6, 1993

Cerium-containing lubricating compositions

UNION OIL CO3 citations58