Inventor

HELLMUTH KATHLEEN M

US3 patents

Patents

3 patents

US5281337AJan 25, 1994

Membrane separation process

TEXACO INC8 citations70

US5147549ASep 15, 1992

Membrane separation process

TEXACO INC8 citations70

US5143620ASep 1, 1992

Membrane separation process

TEXACO INC4 citations59