DE2506735
1503591 Hydrocarbons; lubricants MONSANTO CO 18 Feb 1975 [19 Feb 1974 28 March 1974] 6770/75 Headings C5E and C5F Linear dimers of alpha-methylstyrenes are made by contacting the monomers with a catalyst such as a mixture of phosphorus oxychloride or oxybromide with a strong mineral acid, e.g. HCl,...
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| creator | GREEN, RICHARD LOGAN, ST. LOUIS, MO., US WYGANT, JAMES CALVIN, CREVE COEUR, MO., US |
| description | 1503591 Hydrocarbons; lubricants MONSANTO CO 18 Feb 1975 [19 Feb 1974 28 March 1974] 6770/75 Headings C5E and C5F Linear dimers of alpha-methylstyrenes are made by contacting the monomers with a catalyst such as a mixture of phosphorus oxychloride or oxybromide with a strong mineral acid, e.g. HCl, HBr, H 3 PO 4 , HNO 3 , H 2 SO 4 or an aqueous solution of any of these. Other catalysts are activated montmorillonite and Lewis acids. The isomeric composition of the dimers in the product depends on reaction temperature; 1-pentene derivatives predominate at 0‹ to 80‹ C., 2-pentene derivatives at 90‹ to 130‹ C. Bicyclohexyl-alkanes are made by hydrogenating these dimers, using conventional catalysts, preferably in a solvent. Rolling-contact bearings are lubricated by the use of a lubricant of which the base stock is or contains a major amount of one or more hydrogenated dimers or trimers of alpha-methylstyrene, containing less than 20% of hydrindan derivatives. Bearings that form part of a traction drive mechanism in which the same fluid is used as traction fluid and as lubricant for the bearing are excluded. |
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Rolling-contact bearings are lubricated by the use of a lubricant of which the base stock is or contains a major amount of one or more hydrogenated dimers or trimers of alpha-methylstyrene, containing less than 20% of hydrindan derivatives. Bearings that form part of a traction drive mechanism in which the same fluid is used as traction fluid and as lubricant for the bearing are excluded.</description><language>eng</language><subject>BEARINGS ; BLASTING ; CHEMISTRY ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; FUELS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS ; LIGHTING ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MECHANICAL ENGINEERING ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THERMAL INSULATION IN GENERAL ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION ; WEAPONS</subject><creationdate>1982</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=19820916&DB=EPODOC&CC=DE&NR=2506735C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19820916&DB=EPODOC&CC=DE&NR=2506735C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GREEN, RICHARD LOGAN, ST. LOUIS, MO., US</creatorcontrib><creatorcontrib>WYGANT, JAMES CALVIN, CREVE COEUR, MO., US</creatorcontrib><title>DE2506735</title><description>1503591 Hydrocarbons; lubricants MONSANTO CO 18 Feb 1975 [19 Feb 1974 28 March 1974] 6770/75 Headings C5E and C5F Linear dimers of alpha-methylstyrenes are made by contacting the monomers with a catalyst such as a mixture of phosphorus oxychloride or oxybromide with a strong mineral acid, e.g. HCl, HBr, H 3 PO 4 , HNO 3 , H 2 SO 4 or an aqueous solution of any of these. Other catalysts are activated montmorillonite and Lewis acids. The isomeric composition of the dimers in the product depends on reaction temperature; 1-pentene derivatives predominate at 0‹ to 80‹ C., 2-pentene derivatives at 90‹ to 130‹ C. Bicyclohexyl-alkanes are made by hydrogenating these dimers, using conventional catalysts, preferably in a solvent. Rolling-contact bearings are lubricated by the use of a lubricant of which the base stock is or contains a major amount of one or more hydrogenated dimers or trimers of alpha-methylstyrene, containing less than 20% of hydrindan derivatives. Bearings that form part of a traction drive mechanism in which the same fluid is used as traction fluid and as lubricant for the bearing are excluded.</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>FUELS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS</subject><subject>LIGHTING</subject><subject>LUBRICANTS</subject><subject>LUBRICATING COMPOSITIONS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB0cTUyNTAzNzblYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXORsZEKAEAzQ8acw</recordid><startdate>19820916</startdate><enddate>19820916</enddate><creator>GREEN, RICHARD LOGAN, ST. 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LOUIS, MO., US</creatorcontrib><creatorcontrib>WYGANT, JAMES CALVIN, CREVE COEUR, MO., US</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GREEN, RICHARD LOGAN, ST. LOUIS, MO., US</au><au>WYGANT, JAMES CALVIN, CREVE COEUR, MO., US</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DE2506735</title><date>1982-09-16</date><risdate>1982</risdate><abstract>1503591 Hydrocarbons; lubricants MONSANTO CO 18 Feb 1975 [19 Feb 1974 28 March 1974] 6770/75 Headings C5E and C5F Linear dimers of alpha-methylstyrenes are made by contacting the monomers with a catalyst such as a mixture of phosphorus oxychloride or oxybromide with a strong mineral acid, e.g. HCl, HBr, H 3 PO 4 , HNO 3 , H 2 SO 4 or an aqueous solution of any of these. Other catalysts are activated montmorillonite and Lewis acids. The isomeric composition of the dimers in the product depends on reaction temperature; 1-pentene derivatives predominate at 0‹ to 80‹ C., 2-pentene derivatives at 90‹ to 130‹ C. Bicyclohexyl-alkanes are made by hydrogenating these dimers, using conventional catalysts, preferably in a solvent. Rolling-contact bearings are lubricated by the use of a lubricant of which the base stock is or contains a major amount of one or more hydrogenated dimers or trimers of alpha-methylstyrene, containing less than 20% of hydrindan derivatives. Bearings that form part of a traction drive mechanism in which the same fluid is used as traction fluid and as lubricant for the bearing are excluded.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BEARINGS BLASTING CHEMISTRY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS |
| title | DE2506735 |
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