Lubricating oil composition for internal combustion engines

Details Lubricating oil composition for internal combustion engines Lubricating oil composition for internal combustion engines

2011-01-25

2011-01-25

Griffin, Walter D (Department: 1774)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic compound containing boron

C508S167000, C508S329000

Reexamination Certificate

active

07875576

ABSTRACT:
Disclosed herein is a lubricating oil composition comprising a) major amount of a base oil of lubricating viscosity; b) from about 0.1 to 10 wt % of an overbased alkaline earth metal alkyl aryl sulfonate detergent having a total base number (TBN) of about 25 to 500; c) from about 0.02 to 10 wt % of a oxymolybdenum-containing complex of a nitrogen-containing compound; d) from about 0.1 to 5 wt % of a friction modifier; and e) from about 0.2 to 10 wt % of an antioxidant selected from the group consisting of a diphenylamine type, a sulfurized ester-containing compound and mixtures thereof; wherein the total concentration of the oxymolybdenum-containing complex and antioxidant must be at least 1.3 wt %, based on the total weight of the lubricating oil composition and wherein the phosphorus content of the total lubricating oil composition is 0.08 wt % or less, based on the total weight of the lubricating oil composition.

REFERENCES:
patent: 2992708 (1961-07-01), Lyon
patent: 3018250 (1962-01-01), Anderson et al.
patent: 3018291 (1962-01-01), Anderson et al.
patent: 3024237 (1962-03-01), Drummond et al.
patent: 3100673 (1963-08-01), Ulmer et al.
patent: 3172892 (1965-03-01), Le Suer et al.
patent: 3202678 (1965-08-01), Stuart et al.
patent: 3219666 (1965-11-01), Norman et al.
patent: 3272746 (1966-09-01), Le Suer et al.
patent: 3361673 (1968-01-01), Stuart et al.
patent: 3368972 (1968-02-01), Otto
patent: 3381022 (1968-04-01), Le Suer
patent: 3496105 (1970-02-01), Le Suer
patent: 3539663 (1970-11-01), Pietrusza et al.
patent: 3649229 (1972-03-01), Otto
patent: 3779928 (1973-12-01), Schlicht
patent: 3909430 (1975-09-01), Hotten
patent: 3912764 (1975-10-01), Palmer, Jr.
patent: 3933659 (1976-01-01), Lyle et al.
patent: 3968157 (1976-07-01), Hotten
patent: 4105571 (1978-08-01), Shaub et al.
patent: 4152499 (1979-05-01), Boerzel et al.
patent: 4157309 (1979-06-01), Wilgus et al.
patent: 4234435 (1980-11-01), Meinhardt et al.
patent: 4263152 (1981-04-01), King et al.
patent: 4455243 (1984-06-01), Liston et al.
patent: 4495088 (1985-01-01), Liston et al.
patent: 4530771 (1985-07-01), Nakano et al.
patent: 4612132 (1986-09-01), Wollenberg et al.
patent: 4702859 (1987-10-01), Shimizu et al.
patent: 4746446 (1988-05-01), Wollenberg et al.
patent: 4747965 (1988-05-01), Wollenberg et al.
patent: 5112507 (1992-05-01), Harrison
patent: 5137978 (1992-08-01), Degonia et al.
patent: 5137980 (1992-08-01), Degonia et al.
patent: 5175225 (1992-12-01), Ruhe, Jr.
patent: 5241003 (1993-08-01), Degonia et al.
patent: 5266186 (1993-11-01), Kaplan
patent: 5286799 (1994-02-01), Harrison et al.
patent: 5319030 (1994-06-01), Harrison et al.
patent: 5334321 (1994-08-01), Harrison et al.
patent: 5356552 (1994-10-01), Harrison et al.
patent: 5523417 (1996-06-01), Blackborow et al.
patent: 5565528 (1996-10-01), Harrison et al.
patent: 5625004 (1997-04-01), Harrison et al.
patent: 5629272 (1997-05-01), Nakazato et al.
patent: 5716912 (1998-02-01), Harrison et al.
patent: 5777025 (1998-07-01), Spencer et al.
patent: 5792729 (1998-08-01), Harrison et al.
patent: 6114288 (2000-09-01), Fujitsu et al.
patent: 6203584 (2001-03-01), Fuentes-Allick et al.
patent: 6358892 (2002-03-01), Harrison et al.
patent: 6562765 (2003-05-01), Boffa
patent: 6696393 (2004-02-01), Boffa
patent: 2002/0119895 (2002-08-01), Cook et al.
patent: 2003/0096716 (2003-05-01), Locke et al.
patent: 0 542 380 (1993-05-01), None
patent: 0 355 895 (1994-12-01), None
patent: 0 602 863 (1997-05-01), None
patent: 1 167 497 (2002-01-01), None
patent: 1 416 035 (2004-05-01), None
patent: 1 418 220 (2004-05-01), None
patent: 1 422 286 (2004-05-01), None

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