Inventors:
Peter John VAN DEN BRINK - Amserdam, NL
Rafael HERRERA - Houston TX, US
Richard Thomas DIXON - Chester, GB
Jason R. BROWN - Chester, GB
Opinder Kishan BAHN - Katy TX, US
Assignee:
SHELL OIL COMPANY - Houston TX
International Classification:
C10M 125/04, G01F 23/04, C09K 15/02
US Classification:
508136, 508150, 252397, 33722
Abstract:
Methods of improving the oxidation stability of a lubricating engine oil composition comprising the step of (i) bringing the lubricating engine oil composition into contact with a solid state antioxidant. An engine and an oil filter comprising a solid state antioxidant are also disclosed. A dipstick which is coated with a solid state antioxidant is also disclosed.