Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic nitrogen compound
Reexamination Certificate
2011-07-12
2011-07-12
McAvoy, Ellen M (Department: 1771)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic nitrogen compound
C252S401000
Reexamination Certificate
active
07977286
ABSTRACT:
The invention comprises lubricating compositions and hydraulic fluids containing N,N′-diaryl-o-phenylenediamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids. The invention further comprises a method of making N,N′-diaryl-o-phenylenediamine compounds.
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Francisco Manuel A.
Habeeb Jacob J.
Landis Michael E.
Patil Abhimanyu O.
Varma-Nair Manika
ExxonMobil Research and Engineering Company
McAvoy Ellen M
Migliorini Robert
Montalvo Liza
Po Ming Cheung
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