Oil composition for lubricating an egr equipped diesel engine and an egr equipped diesel engine comprising same
CA 2586713 C · Owner: Evonik Oil Additives Gmbh · Inventors: Fischer, Matthias; Kinker, Bernard; Cooper, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a lubricating oil composition a diesel , engine comprising a lubricating oil composition and a method of lubricating a , diesel engine provided with an exhaust gas recirculation system comprising , lubricating said engine with a lubricating oil composition comprising an oil of lubricating viscosity, and a polymeric N-dispersant booster comprising monomer units of: a) 0 to 40 wt.% of one or more ethylenically unsaturated ester compounds of formula (I), wherein R is equal to H or CH3 R1 represents , a linear or branched alkyl group with 1 to 5 carbon atoms R2 and R3 , independently represent H or a group of the formula -COOR' wherein R' is H or , an …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed October 26, 2005 and granted May 17, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 26, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.