Inventor

WILGUS DONOVAN R

US4 patents

Patents

4 patents

US4157309AJun 5, 1979

Mannich base composition

CHEVRON RES40 citations91

US4157308AJun 5, 1979

Mannich base composition

CHEVRON RES18 citations72

US4088586AMay 9, 1978

Mannich base composition

CHEVRON RES13 citations72

US4175044ANov 20, 1979

Mannich base composition and lubricating oil compositions containing same

CHEVRON RES3 citations61