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U.S. Department of Energy
Office of Scientific and Technical Information

Lube oil dispersant borating agent

Patent ·
OSTI ID:5031969
This patent describes an internal combustion engine lube oil composition which exhibits improved compatibility with engine seals made of fluorine substituted elastometers, the lube oil composition comprising: a major amount of oil of lubricating viscosity and a minor amount, effective for dispersancy, of a borated ashless dispersant, utilizing the borated succinimide prepared above as a borating agent to borate a non-borated ashless dispersant by blending about 7 to about 235 parts by weight of the borated succinimide obtained with about 100 parts of a mixture which comprises diluent oil plus non-borated ashless dispersant; and blending the product obtained into a lubricating oil composition containing components suitable for an internal combustion engine.
Assignee:
Amoco Corp., Chicago, IL (United States)
Patent Number(s):
A; US 5114602
Application Number:
PPN: US 7-649037
OSTI ID:
5031969
Country of Publication:
United States
Language:
English