US Patent No: 4,827,073

Number of patents in Portfolio can not be more than 2000

Process for manufacturing olefinic oligomers having lubricating properties

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Abstract

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A process for oligomerizing alpha olefin to produce lubricant range hydrocarbon stock including the step of contacting said alpha olefin with a supported solid reduced Group VIB (e.g., chromium) catalyst under oligomerization conditions at a temperature of about 90.degree. to 250.degree. C. to produce liquid lubricant hydrocarbon. The product comprises the polymeric residue of linear C.sub.6 -C.sub.20 1-alkenes, said composition having a branch ratio of less than 0.19. The weight average molecular weight is between 420 and 45,000, number average molecular weight between 420 and 18,000, molecular weight distribution between 1 and 5 and pour point below -15.degree. C. The hydrogenated lubricant range hydrocarbon product has viscosity index of about 130 to 280 and viscosity up to about 750 cS. The process is particularly useful where the starting alpha olefin consists essentially of olefinic hydrocarbon having 8 to 14 carbon atoms or mixtures thereof; wherein the process conditions include reaction temperature of about 100.degree. to 180.degree.; and wherein the support catalyst includes porous inert silica.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EXXONMOBIL CHEMICAL PATENTS INC.HOUSTON, TX1695
MOBIL OIL CORPORATIONNEW YORK, NY579

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wu, Margaret M Skillman, NJ 100 1612

Cited Art Landscape

Patent Info (Count) # Cites Year
 
HUNTSMAN PETROCHEMCIAL CORPORATION (2)
* 4,434,308 Manufacture of synthetic lubricant additives from internal olefins using boron trifluoride catalysis 24 1982
* 4,434,309 Oligomerization of predominantly low molecular weight olefins over boron trifluoride in the presence of a protonic promoter 10 1982
 
BURMAH-CASTROL INC., A CORP. OF NJ (1)
* 4,587,368 Process for producing lubricant material 46 1983
 
Mobil Oil Corporation (1)
* 4,613,712 Alpha-olefin polymers as lubricant viscosity properties improvers 21 1984
 
Phillips Petroleum Company (1)
* 4,681,866 Polymerization catalyst, method of making and use therefor 17 1986
 
Standard Oil Company (Indiana) (1)
* 4,510,342 High viscosity index synthetic oils and synthesis thereof 12 1982
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Mobil Oil Corporation (46)
* 5,116,523 Sulfide adducts of high viscosity index polyalphaolefins 2 1988
* 5,057,235 Sulfur-phosphorus adducts of chromium catalyzed polyalphaolefins 17 1988
* 4,990,711 Synthetic polyolefin lubricant blends having high viscosity indices 38 1988
* 4,943,383 Novel lubricant epoxides 37 1988
* 4,906,799 Process for the production of reduced viscosity high VI hydrocarbon lubricant 16 1988
* 4,926,004 Regeneration of reduced supported chromium oxide catalyst for alpha-olefin oligomerization 43 1988
* 4,914,254 Fixed bed process for high viscosity index lubricant 53 1988
* 4,969,522 Polymer-coated support and its use as sand pack in enhanced oil recovery 82 1988
* 5,171,915 Alkylaromatic lubricants from alpha-olefin dimer 18 1989
* 5,026,948 Disproportionation of alpha-olefin dimer to liquid lubricant basestock 21 1989
* 5,087,782 Dehydrocyclization of polyalpha-olefin lubricants 10 1989
* 4,990,709 C2-C5 olefin oligomerization by reduced chromium catalysis 54 1989
* 5,012,020 Novel VI enhancing compositions and Newtonian lube blends 39 1989
* 4,967,032 Process for improving thermal stability of synthetic lubes 45 1989
* 4,967,029 Liquid lubricants from alpha-olefin and styrene copolymers 18 1989
* 4,985,156 Production of borated ashless dispersants 5 1989
* 5,055,626 Novel lubricants 4 1990
* 5,068,048 Lubricants and lube additives from epoxidation of lower olefin oligomers 3 1990
* 4,962,249 High VI lubricants from lower alkene oligomers 25 1990
* 4,996,384 Regeneration of reduced metal oxide oligomerization catalyst 5 1990
* 5,095,165 Hydrocarbon lubricants containing polar groups 0 1990
* 5,015,795 Novel synthetic lube composition and process 5 1990
* 5,113,030 High viscosity index lubricant compositions 22 1990
* 5,136,118 High VI synthetic lubricants from cracked refined wax 21 1990
* 5,105,038 Synthetic polyolefin lubricant blends 46 1990
* 5,068,476 Lubricant oligomers of C.sub.2 -C.sub.5 olefins 13 1991
* 5,120,899 Diamondoid recovery from natural gas fields 9 1991
* 5,157,177 VI enhancing compositions and newtonian lube blends 24 1991
* 5,146,021 VI enhancing compositions and Newtonian lube blends 26 1991
* 5,132,477 Process for producing alkylaromatic lubricant fluids 12 1991
* 5,105,051 Production of olefin oligomer lubricants 18 1991
* 5,276,227 C.sub.2 -C.sub.5 olefin oligomer compositions as shear stable viscosity index improvers 25 1992
* 5,254,274 Alkylaromatic lubricant fluids 27 1992
* 5,208,403 High VI lubricant blends from slack wax 40 1992
* 5,264,642 Molecular weight control of olefin oligomers 28 1992
* 5,276,229 High VI synthetic lubricants from thermally cracked slack wax 20 1992
* 5,382,705 Production of tertiary alkyl ethers and tertiary alkyl alcohols 2 1992
* 5,384,055 Lubricant additives 4 1992
* 5,270,273 Olefin oligomerization catalyst 11 1993
* 5,321,190 Oligomerization of ethylene with a supported nickel catalyst 0 1993
* 5,545,790 Process for the catalytic cyclodimerization of cyclic olefins 2 1993
* 5,488,191 Hydrocarbon lube and distillate fuel additive 13 1994
* 5,573,657 Hydrogenation process 20 1994
* 5,578,743 Cyclopymerization polymers from non-conjugated dienes 13 1995
* 5,641,736 Synergistic pour point depressant combinations and hydrocarbon lube mixtures 4 1995
6,713,438 High performance engine oil 58 1999
 
EXXONMOBIL CHEMICAL PATENTS INC. (31)
6,824,671 Low noack volatility poly .alpha.-olefins 30 2001
6,869,917 Functional fluid lubricant using low Noack volatility base stock fluids 20 2002
7,585,823 Lubricating fluids with enhanced energy efficiency and durability 13 2004
6,949,688 Low Noack volatility poly α-olefins 8 2004
7,998,579 Polypropylene based fibers and nonwovens 2 2005
8,399,390 HVI-PAO in industrial lubricant and grease compositions 2 2005
8,748,361 Polyalpha-olefin compositions and processes to produce the same 0 2006
8,513,347 Elastomeric compositions 0 2006
8,389,615 Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin 0 2006
8,207,390 Process to produce low viscosity poly-alpha-olefins 2 2006
8,003,725 Plasticized hetero-phase polyolefin blends 1 2006
7,989,670 Process to produce high viscosity fluids 1 2007
8,071,835 Process to produce polyolefins using metallocene catalysts 0 2007
8,513,478 Process to produce polyalphaolefins 0 2007
7,985,801 Fibers and nonwovens from plasticized polyolefin compositions 1 2007
8,372,930 High vinyl terminated propylene based oligomers 1 2008
8,664,129 Extensible nonwoven facing layer for elastic multilayer fabrics 0 2008
7,875,670 Articles from plasticized polyolefin compositions 2 2009
8,865,959 Process for synthetic lubricant production 0 2009
8,399,725 Functionalized high vinyl terminated propylene based oligomers 1 2009
8,283,419 Olefin functionalization by metathesis reaction 3 2009
8,283,428 Polymacromonomer and process for production thereof 2 2009
8,748,693 Multi-layer nonwoven in situ laminates and method of producing the same 0 2009
8,217,112 Plasticized polyolefin compositions 0 2009
8,211,968 Plasticized polyolefin compositions 0 2010
8,668,975 Fabric with discrete elastic and plastic regions and method for making same 0 2010
8,530,712 Process for producing novel synthetic basestocks 0 2010
8,431,662 Polymacromonomer and process for production thereof 0 2012
8,802,797 Vinyl-terminated macromonomer oligomerization 0 2012
8,779,067 High vinyl terminated propylene based oligomers 0 2012
8,653,209 High vinyl terminated propylene based oligomers 0 2012
 
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY (22)
7,683,013 Base stock lubricant blends for enhanced micropitting protection 13 2006
8,535,514 High viscosity metallocene catalyst PAO novel base stock lubricant blends 0 2007
* 8,309,780 Process for making olefin oligomers and alkyl benzenes in the presence of mixed metal oxide catalysts 0 2007
8,227,392 Base stocks and lubricant blends containing poly-alpha olefins 2 2008
8,088,720 Green lubricant compositions 0 2009
8,080,501 Green lubricant compositions 0 2009
8,772,210 High viscosity index PAO with polyurea thickeners in grease compositions 0 2009
8,748,357 Method for stabilizing diesel engine lubricating oil against degradation by biodiesel fuel 0 2009
8,394,746 Low sulfur and low metal additive formulations for high performance industrial oils 0 2009
8,476,205 Chromium HVI-PAO bi-modal lubricant compositions 2 2009
8,247,358 HVI-PAO bi-modal lubricant compositions 3 2009
8,389,625 Production of synthetic hydrocarbon fluids, plasticizers and synthetic lubricant base stocks from renewable feedstocks 0 2009
8,435,931 Reduced friction lubricating oils containing functionalized carbon nanomaterials 0 2010
8,680,029 Lubricating oil compositions for biodiesel fueled engines 0 2010
8,716,201 Alkylated naphtylene base stock lubricant formulations 0 2010
8,759,267 Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient 0 2011
8,748,362 Method for improving the fuel efficiency of engine oil compositions for large low and medium speed gas engines by reducing the traction coefficient 0 2011
8,728,999 Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient 0 2011
8,642,523 Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient 0 2011
8,598,103 Method for improving the fuel efficiency of engine oil compositions for large low, medium and high speed engines by reducing the traction coefficient 0 2011
8,623,796 Oil-in-oil compositions and methods of making 0 2011
8,703,666 Lubricant compositions and processes for preparing same 0 2012
 
CHEVRON U.S.A. INC. (10)
* 6,562,230 Synthesis of narrow lube cuts from Fischer-Tropsch products 18 1999
6,702,937 Process for upgrading Fischer-Tropsch products using dewaxing and hydrofinishing 7 2002
6,605,206 Process for increasing the yield of lubricating base oil from a Fischer-Tropsch plant 25 2002
6,700,027 Process for the oligomerization of olefins in Fischer-Tropsch condensate using chromium catalyst and high temperature 3 2002
7,732,386 Rust inhibitor for highly paraffinic lubricating base oil 0 2005
7,683,015 Method of improving rust inhibition of a lubricating oil 0 2008
7,651,986 Finished lubricant with improved rust inhibition 1 2008
7,947,634 Process for making a lubricant having good rust inhibition 0 2009
7,910,528 Finished lubricant with improved rust inhibition made using fischer-tropsch base oil 1 2009
7,906,466 Finished lubricant with improved rust inhibition 1 2009
 
EXXON CHEMICAL PATENTS INC. (4)
* 5,646,099 Automatic transmission fluids of improved viscometric properties 14 1995
* 5,641,732 Automatic transmission fluids of improved viscometric properties 16 1995
* 5,641,733 Automatic transmission fluids of improved viscometric properties 9 1995
* 5,866,519 Automatic transmission fluids of improved viscometric properties 6 1997
 
CHEMTURA CORPORATION (2)
7,880,047 Polyalphaolefins and processes for forming polyalphaolefins 2 2008
8,389,780 Polyalphaolefins and processes for forming polyalphaolefins 1 2010
 
THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA (2)
* 6,150,576 Synthesis of branched polyethylene fluids for use in lubricant compositions 4 1999
* 6,063,973 Synthesis of branched polyethylene fluids for use in lubricant compositions 5 1999
 
ZURN PEX, INC. (2)
8,192,813 Crosslinked polyethylene articles and processes to produce same 1 2008
8,703,030 Crosslinked polyethylene process 0 2010
 
AFTON CHEMICAL CORPORATION (1)
* 5,387,346 Automatic transmission fluids and additives therefor 15 1993
 
AFTON CHEMICAL LIMITED (1)
* 5,595,966 Biodegradable lubricants and functional fluids 13 1991
 
COGNIS CORPORATION (1)
* 4,992,183 Multigrade hydrogenated decene-1 oligomer engine oils 14 1989
 
ExxonMobil Research and Egineering Company (1)
8,598,102 Lubricant base stocks based on block copolymers and processes for making 0 2010
 
GEORGIA TECH RESEARCH CORPORATION (1)
8,236,972 Molecular mass enhancement of biological feedstocks 0 2008
 
IDEMITSU KOSAN CO., LTD. (1)
* 5,072,067 Lubricating oil composition 4 1989
 
PHILLIP TOWNSEND ASSOCIATES, INC. (1)
* 6,004,256 Catalytic distillation oligomerization of vinyl monomers to make polymerizable vinyl monomer oligomers uses thereof and methods for same 6 1995
 
SHELL OIL COMPANY (1)
7,727,376 Process to prepare base oil from a Fisher-Tropsch synthesis product 3 2004
 
The Lubrizol Corporation (1)
6,689,723 Sulfide- and polysulfide-containing lubricating oil additive compositions and lubricating compositions containing the same 13 2002
* Cited By Examiner