1
Glen P Fetterman Jr, Alan A Schetelich: Low ash lubricant compositions for internal combustion engines (PT-727). Exxon Chemical Patents, J B Murray Jr, April 7, 1992: US05102566 (55 worldwide citation)

In accordance with the present invention, there are provided low sulfacted ash lubricating oil compositions which comprise an oil of lubricating viscosity as the major component and as the minor component (A) at least about 2 wt % of at least one ashless nitrogen- or ester-containing dispersant, (B) ...


2
Glen P Fetterman Jr, Alan A Schetelich: Low ash lubricant compositions for internal combustion engines. Exxon Chemical Patents, J B Murray Jr, M M Allen, June 14, 1994: US05320765 (25 worldwide citation)

In accordance with the present invention, there are provided low sulfated ash lubricating oil compositions which comprise an oil of lubricating viscosity as the major component and as the minor component (A) at least about 2 wt % of at least one ashless nitrogen- or ester-containing dispersant, (B) ...


3
Glen P Fetterman Jr, Alan A Schetelich: Lubricant compositions for internal combustion engines. Exxon Chemical Patents, J B Murray Jr, August 25, 1992: US05141657 (13 worldwide citation)

In accordance with the present invention, there are provided low sulfated ash lubricating oil compositions which copmrise an oil of lubricating viscosity as the major component and as the minor component (A) at least about 3 wt % of at least one ashless nitrogen- or ester-containing dispersant, (B) ...