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...
Reexamination Certificate
2011-01-25
2011-01-25
Griffin, Walter D (Department: 1797)
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...
C508S365000, C508S379000
Reexamination Certificate
active
07875579
ABSTRACT:
An antioxidant lubricant composition has at least 50 wt % of a lubricating base oil andan oil-soluble metal compound providing between 1 and 2,000 parts per million of metal to the lubricant composition, the metal compound being chosen from the group consisting of molybdenum, tungsten titanium and boron compounds, andan oil-soluble hindered amine providing between about 0.001 and about 2 wt % of oil-soluble hindered amine to the lubricant composition, and optionally,an oil-soluble diarylamine providing between 0.001 and about 2 wt % of oil-soluble diarylamine to the lubricant composition.
REFERENCES:
patent: 4529526 (1985-07-01), Inoue et al.
patent: 4889647 (1989-12-01), Rowan et al.
patent: 5073278 (1991-12-01), Schumacher
patent: 5198130 (1993-03-01), Schumacher
patent: 5204473 (1993-04-01), Winter et al.
patent: 5268113 (1993-12-01), Evans
patent: 5273669 (1993-12-01), Schumacher
patent: 5703023 (1997-12-01), Srinivasan
patent: 5994277 (1999-11-01), Ritchie
patent: 6306802 (2001-10-01), Shaub
patent: 6797677 (2004-09-01), Esche et al.
patent: RE38929 (2006-01-01), Gatto et al.
patent: 7615520 (2009-11-01), Esche, Jr.
patent: 7727943 (2010-06-01), Brown et al.
patent: 2003/0134754 (2003-07-01), Kelley
patent: 2004/0214731 (2004-10-01), Tynik
patent: 2006/0035791 (2006-02-01), Donnelly et al.
patent: 2007/0042917 (2007-02-01), Ravichandran
patent: 2008/0051306 (2008-02-01), Chasan et al.
Chase Kevin J.
DeMassa John M.
Donnelly Steven G.
Mazzamaro Glenn A.
Stunkel Brian W.
Campanell Frank C
Griffin Walter D
Norris McLaughlin & Marcus P.A.
R.T. Vanderbilt Company, Inc.
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