Inventor

TSUNEMI MASAAKI

3 patents

Patents

3 patents

US4267064AMay 12, 1981

Refrigeration lubricating oil compositions

NIPPON OIL CO LTD97 citations93

US4137162AJan 30, 1979

Method for treating waste waters

NIPPON OIL CO LTD27 citations78

US4504403AMar 12, 1985

Refrigeration oil composition

NIPPON OIL CO LTD4 citations60