Method Of Viscosity Control
This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear and wet-clutch a lubricating composition comprising: (a) an oil of lubricating viscosity; and (b)...
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| creator | GAHAGAN MICHAEL P PRICE DAVID GRIFFITHS SIMON J SAMBUCHINO ROY WILKES MARK F BREON LEWIS D PATEL JAYRAM D |
| description | This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear and wet-clutch a lubricating composition comprising: (a) an oil of lubricating viscosity; and (b) a viscosity modifier with a number average molecular weight from 1000 to 75,000, wherein the lubricating composition has a SAE viscosity grade from XW-Y, wherein X is from 0 to 20 and Y is from 20 to 50; and wherein the lubricating composition has a phosphorus content from a metal hydrocarbyl dithiophosphate of 0.12 wt % or less. |
| format | Patent |
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and (b) a viscosity modifier with a number average molecular weight from 1000 to 75,000, wherein the lubricating composition has a SAE viscosity grade from XW-Y, wherein X is from 0 to 20 and Y is from 20 to 50; and wherein the lubricating composition has a phosphorus content from a metal hydrocarbyl dithiophosphate of 0.12 wt % or less.</description><language>eng</language><subject>CHEMISTRY ; FUELS ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080424&DB=EPODOC&CC=US&NR=2008096778A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080424&DB=EPODOC&CC=US&NR=2008096778A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAHAGAN MICHAEL P</creatorcontrib><creatorcontrib>PRICE DAVID</creatorcontrib><creatorcontrib>GRIFFITHS SIMON J</creatorcontrib><creatorcontrib>SAMBUCHINO ROY</creatorcontrib><creatorcontrib>WILKES MARK F</creatorcontrib><creatorcontrib>BREON LEWIS D</creatorcontrib><creatorcontrib>PATEL JAYRAM D</creatorcontrib><title>Method Of Viscosity Control</title><description>This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear and wet-clutch a lubricating composition comprising: (a) an oil of lubricating viscosity; and (b) a viscosity modifier with a number average molecular weight from 1000 to 75,000, wherein the lubricating composition has a SAE viscosity grade from XW-Y, wherein X is from 0 to 20 and Y is from 20 to 50; and wherein the lubricating composition has a phosphorus content from a metal hydrocarbyl dithiophosphate of 0.12 wt % or less.</description><subject>CHEMISTRY</subject><subject>FUELS</subject><subject>LUBRICANTS</subject><subject>LUBRICATING COMPOSITIONS</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD2TS3JyE9R8E9TCMssTs4vziypVHDOzyspys_hYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXxocFGBgYWBpZm5uYWjobGxKkCAOrZJDg</recordid><startdate>20080424</startdate><enddate>20080424</enddate><creator>GAHAGAN MICHAEL P</creator><creator>PRICE DAVID</creator><creator>GRIFFITHS SIMON J</creator><creator>SAMBUCHINO ROY</creator><creator>WILKES MARK F</creator><creator>BREON LEWIS D</creator><creator>PATEL JAYRAM D</creator><scope>EVB</scope></search><sort><creationdate>20080424</creationdate><title>Method Of Viscosity Control</title><author>GAHAGAN MICHAEL P ; 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and (b) a viscosity modifier with a number average molecular weight from 1000 to 75,000, wherein the lubricating composition has a SAE viscosity grade from XW-Y, wherein X is from 0 to 20 and Y is from 20 to 50; and wherein the lubricating composition has a phosphorus content from a metal hydrocarbyl dithiophosphate of 0.12 wt % or less.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
| title | Method Of Viscosity Control |
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