![]() A higher viscosity implies a slower flow and a thicker fluid. Viscosity is simply the resistance of a fluid to flow. C10M2203/108- Residual fractions, e.g.After a brief review of the use of engine oil, we will now move on to one of the most important concepts: oil viscosity index.C10M2203/10- Petroleum or coal fractions, e.g.C10M2203/00- Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions.C10M145/12- Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g.C10M145/10- Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g.C10M145/04- Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical.C10M145/02- Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds.C10M145/00- Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen.C10M143/04- Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene.C10M143/00- Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation.C10M157/00- Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential.C10M- LUBRICATING COMPOSITIONS USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION.C10- PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE FUELS LUBRICANTS PEAT.Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Assignors: ALBRIGHT & WILSON AMERICAS INC. Priority to CA002091086A priority patent/CA2091086A1/en Priority to EP93104225A priority patent/EP0561335B1/en Application granted granted Critical Publication of US5217636A publication Critical patent/US5217636A/en Assigned to RHODIA INC. reassignment ALBRIGHT & WILSON AMERICAS INC. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Albright and Wilson Americas Inc filed Critical Albright and Wilson Americas Inc Priority to US07/850,458 priority Critical patent/US5217636A/en Assigned to ALBRIGHT & WILSON AMERICAS INC. Original Assignee Albright and Wilson Americas Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ![]() Paboucek Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/850,458 Inventor James L. Google Patents Lubricating oil viscosity index improver compositionÄownload PDF Info Publication number US5217636A US5217636A US07/850,458 US85045892A US5217636A US 5217636 A US5217636 A US 5217636A US 85045892 A US85045892 A US 85045892A US 5217636 A US5217636 A US 5217636A Authority US United States Prior art keywords lubricant viscosity amount viscosity index present Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5217636A - Lubricating oil viscosity index improver composition US5217636A - Lubricating oil viscosity index improver composition
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