Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Nitrogen and heavy metal – or nitrogen and aluminum – in the...
Patent
1997-11-07
2000-05-16
Brouillette, Gabrielle
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Nitrogen and heavy metal, or nitrogen and aluminum, in the...
508376, 508378, 508569, 508570, 508572, C10M13700
Patent
active
060637412
ABSTRACT:
An engine oil composition is composed of: (1) at least one oil selected from the group consisting of a mineral oil and a synthetic lubricant as a base oil; (2) a molybdenum dithiocarbamate in an amount of 50 to 2000 ppm by weight when calculated as molybdenum (Mo), relative to the total weight of the engine oil composition; (3) zinc dithiophosphate in an amount of 0.01 to 0.2 wt % when calculated as phosphorus (P), relative to the total amount of the engine oil composition; and (4) an ashless organic polysulfide compound in an amount of 0.01 to 0.4 wt % when calculated as sulfur (S), relative to the total amount of the engine oil composition.
REFERENCES:
patent: 3533943 (1970-10-01), Papay
patent: 3966623 (1976-06-01), Krug et al.
patent: 4178258 (1979-12-01), Papay et al.
patent: 4200543 (1980-04-01), Liston et al.
patent: 4360438 (1982-11-01), Rowan et al.
patent: 4395343 (1983-07-01), de Vries et al.
patent: 4529526 (1985-07-01), Inoue et al.
patent: 4609480 (1986-09-01), Hata et al.
patent: 4846983 (1989-07-01), Ward, Jr.
patent: 4959166 (1990-09-01), Miniamitani et al.
Derwent Publixations Ltd., Search Ch, Week 8630, AN 86-194186, Abstract. Date Unknown.
English-language Abstract of JP 5-279686. Oct. 1993.
Akiyama Kenyu
Naitoh Yasushi
Brouillette Gabrielle
Japan Energy Corporation
Toomer Cephia D.
Toyota Jidosha & Kabushiki Kaisha
LandOfFree
Engine oil composition does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Engine oil composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Engine oil composition will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-258822