Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic -co- compound
Reexamination Certificate
2011-04-12
2011-04-12
Caldarola, Glenn (Department: 1771)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic -co- compound
C123S00100A
Reexamination Certificate
active
07923420
ABSTRACT:
A lubricating oil composition having a total base number of more than 15 mg KOH/g including oil of lubricating viscosity; detergent; and at least one compound of the formula (I) and/or formula (II):wherein Ar and Ar′ represent substituted or unsubstituted aromatic moieties; L and L′ are linking moieties; each Y is independently —ORI″or H(O(CR12)n)yX—, wherein X is (CR1′2)z, O or S; R1and R1′are H, alkyl or aryl; R1″is alkyl or aryl; each Y′ is independently Z(O(CR22)n′)y′X′—, wherein X′ is (CR2′2)z′, O or S; R2and R2′are H, alkyl or aryl; Z is H, acyl, alkyl or aryl; z and z′ are 1 to 10; n is 0 to 10 when X is (CR1′2)zand 2 to 10 when X is O or S; n′ is 0 to 10 when X′ is (CR2′2)z′, and 2 to 10 when X′ is O or S; y and y′ are 1 to 30; a and a′ are 0 to 3; and m and m′ are 1 to 100, with the proviso that in compounds of formula (I), at least one Ar moiety bears at least one group Y and that in compounds of formula (II), at least one Ar′ moiety bears at least one group Y′ in wherein Z is not H.
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Bera Tushar kanti
Dodd James Christian
Emert Jacob
Girshick Frederick Wein
Hoey Michael Dennis
Caldarola Glenn
Goloboy Jim
Infineum International Limited
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