Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate
2005-08-09
2010-06-01
McAvoy, Ellen M (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
C508S302000, C508S305000, C508S478000, C508S501000, C508S550000
Reexamination Certificate
active
07727944
ABSTRACT:
Compositions of an ester-containing phenolic antioxidant seal-conditioning agent represented by the formula and a second seal-conditioning agent selected from sulfolanes, benzyl ester, lactones, nitriles, and other ester-containing phenolic anitoxidant seal-conditioning agents, serve to protect the integrity of elastomeric materials in contact with lubricants.
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Konzman Edward J.
Lange Richard M.
Hilker Christopher D.
McAvoy Ellen M
Shold David M.
The Lubrizol Corporation
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