C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
44/19, 402/325,
C08F 8/36 (2006.01) C08F 8/44 (2006.01) C08F 10/00 (2006.01) C08F 236/04 (2006.01) C10L 1/14 (2006.01) C10L 1/24 (2006.01) C10M 143/02 (2006.01) C10M 161/00 (2006.01)
Patent
CA 1180850
ABSTRACT OF THE DISCLOSURE This invention relates to oil soluble, nitrogen containing sulfonated polymers useful as additives for lubrieating oil and fuel oil, whieh are effective as dis- persants and viscosity modifiers. The polymeric disper- sant additives are ionie polymers which comprise a back- bone substantially soluble in the fuel or lubricang and pendant ionie groups which are sulfonic acid groups which may be neutralized with an ammonium eation or an amine. Polymerie dispersant additives of this type may be made which are partieularly useful in crankcase lubricating oils for imparting viseosity improvement, varnish inhibi- tion, oxidation inhibition and detergency to the lubri- cant. These additives may also impart rust preventive properties to the oil or fuel, and as V.I. improvers they can be formed to have particularly good low temperature viscosity effects in lubricating oil.
385834
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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