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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Wu; Margaret M.
Address:
Skillman, NJ
No. of patents:
31
Patents:












Patent Number Title Of Patent Date Issued
8227392 Base stocks and lubricant blends containing poly-alpha olefins July 24, 2012
This disclosure relates to substantially atactic polymers of at least one of propylene, 1-butene or 1-pentene, processes for making such polymers and compositions including the polymers. The polymers may be used as lubricants or may be combined with low viscosity base stocks to form
7592411 Synthetic lubricant composition and process September 22, 2009
A liquid polymer suitable for use as a lubricant base oil is produced by polymerizing ethylene and at least one alpha-olefin using a metallocene catalyst to provide a polymer which is then isomerized and hydrogenated to produce the liquid polymer.
6703356 Synthetic hydrocarbon fluids March 9, 2004
The present invention provides a process for polymerizing an olefin to produce poly-olefins using a crystalline catalyst. The resulting poly-olefins have low viscosity and low volatility and may be used in various functional fluids.
6548709 Method for the production of arylsulfides and compositions made therefrom April 15, 2003
The present invention relates to methods for production of arylsulfides wherein an aromatic compound is reacted with elemental sulfur in the presence of solid acid catalyst. The solid acid catalyst can be a zeolite. The methods are useful for producing alkylated diphenylsulfides from
6444623 Methods for the production of sulfurized diphenyloxides and compositions made therefrom September 3, 2002
The present invention relates to methods for production of sulfurized diphenyloxides wherein a diphenyloxide is reacted with elemental sulfur in the presence of solid acid catalyst. The solid acid catalyst can be a zeolite or a catalytic amount of a Friedel-Crafts compound. The present
6407292 Preparation of alkylated diphenyl oxides June 18, 2002
A continuous process for the manufacture of alkylated diphenyl compounds such as diphenyl ether and diphenyl sulfides by alkylating a diphenyl compound such as diphenyl ether with an olefinic alkylating agent by passing a continuous flow of the diphenyl compound and the olefin over a
5750480 Alkylated anisole lubricant basestock May 12, 1998
A process and composition is disclosed for a hydrolytically stable lubricant base oil exhibiting superior antiwear properties, dispersancy, thermal stability and oxidative stability. The base oil comprises a mixture of mono, di and tri alkylated anisole having the following structure
5691281 Well fluids based on low viscosity synthetic hydrocarbons November 25, 1997
Solid, waxy 1-olefins may be converted to low viscosity liquid products by carrying out a double bond isomerization in the presence of a solid acidic catalyst such as an acidic clay or a zeolite under mild conditions. The olefin isomer products are useful in the formulation of well fluid
5637784 Hydrocarbon distillate fuels containing novel additive June 10, 1997
A hydrocarbon oligomer and a process for its production is disclosed that is useful as a pour point depressant and as a combination pour point depressant and viscosity index improver for mineral oil or synthetic oil. The oligomer is also useful in modifying wax crystal formation at low
5578743 Cyclopymerization polymers from non-conjugated dienes November 26, 1996
Novel homopolymer and copolymer compositions produced from the polymerization of non-conjugated dienes have been discovered. The novel compositions are produced by an equally novel process comprising cyclopolymerization of non-conjugated dienes employing reduced valence state Group V
5545790 Process for the catalytic cyclodimerization of cyclic olefins August 13, 1996
A catalytic process for the dimerization of norbornene and/or norbornadiene using a reduced valence state Group VIB metal oxide as the catalyst, preferably Cr(II) on a porous support such as silica. The product norbornene dimer or norbornadiene dimer is obtained in high yield and high
5516954 Process for preparing long chain alkylaromatic compounds May 14, 1996
Long chain alkyl aromatic compounds are prepared by alkylating an alkylatable aromatic compound with a long chain alkylating agent in the presence of a catalyst comprising an acidic solid material which comprises a Group IVB metal oxide, such as zirconia, modified with an oxyanion of a
5510549 Fiber optic cable and viscous filler material April 23, 1996
The invention provides a fiber optic cable and a diamondoid-based viscous filling material for a fiber optic cable.
5498743 Process for producing dialkylcarbonates March 12, 1996
A process is provided for synthesis of dialkylcarbonate, e.g., dimethylcarbonate, by reacting an alcohol, e.g., methanol, with a cyclic carbonate, e.g., propylene carbonate, in the presence of a catalyst comprising an alkaline earth metal halide, e.g., magnesium iodide, and a solid s
5488191 Hydrocarbon lube and distillate fuel additive January 30, 1996
A hydrocarbon oligomer and a process for its production is disclosed that is useful as a pour point depressant and as a combination pour point depressant and viscosity index improver for mineral oil or synthetic oil. The oligomer is also useful in modifying wax crystal formation at low
5453556 Oligomerization process for producing synthetic lubricants September 26, 1995
There is provided an oligomerization process. The process involves the use of a catalyst comprising an acidic solid. The acidic solid may comprise a Group IVB metal oxide, such as zirconia, modified with an oxyanion of a Group VIB metal, such as tungsten. The oligomers produced by this p
5451704 Alpha-olefin oligomerization using supported metal halide catalysts September 19, 1995
A process for the production of hydrocarbon lubricant basestock comprises contacting C.sub.2 to C.sub.20 alpha-olefin feedstock, or mixtures thereof, e.g., 1-decene, under heterogeneous oligomerization conditions with a catalyst comprising halides of a metal component anchored on an
5400427 Fiber optic cable and viscous filler material March 21, 1995
The invention provides a fiber optic cable and a diamondoid-based viscous filling material for a fiber optic cable.
5382705 Production of tertiary alkyl ethers and tertiary alkyl alcohols January 17, 1995
A process for upgrading a light olefin feed by converting the 1-olefins to higher molecular weight oligomers and the iso-oleins to fuel ethers or alcohols. The process provides substantial improvements in the production of lower alkyl tertiary alkyl ethers or tertiary alkyl alcohol, such
5367097 Lubricant composition and method for increasing diamondoid incorporation in polyalphaolefin-cont November 22, 1994
This invention provides a method for incorporating a diamondoid compound into a lubricant stock comprising reacting at least one .alpha.-olefin containing at least six carbon atoms with at least one diamondoid compound in the presence of an acid catalyst selected from the group consistin
5345020 Method for making diamondoid lubricant base stock by alkylation with an olefin in the presence o September 6, 1994
The invention provides a method for selectively alkylating a diamondoid compound comprising reacting at least one .alpha.-olefin containing at least six carbon atoms with at least one diamondoid compound in the presence of an acid catalyst selected from the group consisting of AlX.su
5334228 Deposit control additives and fuel compositions containing the same August 2, 1994
A fuel additive having detergency, solubility and thermal stability comprises a detergent component, e.g., polyalkenyl succinimide, and a carrier fluid obtained from a diamondoid fluid comprising an compound selected from the group consisting of adamantane, diamantane, triamantane, t
5326920 Isobutylene oligomerization using supported acid catalysts July 5, 1994
A process for the production of polyisobutylene (PIB) from isobutene-containing feed comprises contacting said feed with a catalyst composition comprising halides of a metal component anchored on an adsorbent inorganic oxide solid by an oxygen-metal bond to provide a reaction mixture
5321190 Oligomerization of ethylene with a supported nickel catalyst June 14, 1994
There is provided a catalyst comprising nickel supported on a pillared (e.g., silica pillared) vacancy titanate material. There is also provided a method for preparing this catalyst. This method may involve impregnating a pillared vacancy titanate material with a nickel nitrate solution.
5306851 High viscosity index lubricant fluid April 26, 1994
The invention provides a composition comprising at least about 10 different diamondoid compounds selected from the group consisting of methyl-substituted and ethyl-substituted adamantane, diamantane, and triamantane, wherein each of said selected diamondoid compounds comprises no mor
5294578 Supported acid catalysts, their preparation and use in organic compound conversion March 15, 1994
A novel method to prepare a solid acid catalyst through the reaction of a metal-alkyl halide species and the surface hydroxyl group of a solid support is disclosed. Lewis acidic metals, e.g., B, Al and Ga, etc., can then be anchored on the surface via the formation of an oxygen-metal bon
5276229 High VI synthetic lubricants from thermally cracked slack wax January 4, 1994
A process for the production of synthetic lubricants having high viscosity index by oligomerizing a mixture of alpha-olefins produced from the thermal cracking of slack wax or recycled slack wax. The oligomerization is carried out with a reduced metal oxide catalyst, preferably a carbon
5276227 C.sub.2 -C.sub.5 olefin oligomer compositions as shear stable viscosity index improvers January 4, 1994
Liquid hydrocarbon lubricant viscosity index improver compositions are disclosed having high shear stability. The compositions comprise the homopolymer or copolymer product of the oligomerization of C.sub.3 to C.sub.5 alpha-olefin or mixtures thereof, with or without ethylene as co-m
5264642 Molecular weight control of olefin oligomers November 23, 1993
A process is disclosed to produce liquid oligomers of olefins, such as l-decene, with controlled molecular weight and with branch ratios below 0.19 and having higher viscosity indices than oligomers with higher branch ratios. These oligomers with low branch ratios and controlled molecula
5243114 Oligomerization of alpha-olefins over layered silicate compositions containing pillars of silica September 7, 1993
There is provided a method for preparing alpha-olefin oligomers of superior lubricating properties by contacting an alpha-olefin feed under oligomerization conditions with a catalyst comprising an activated layered silicate containing silica and oxide of Group VIB metal, e.g., Cr, betwee
5208403 High VI lubricant blends from slack wax May 4, 1993
Lubricant compositions comprise blends or mixtures of low viscosity, 3-8 cS e.g. about 5 cS(100.degree. C.), HVI lube basestock with higher viscosity, 15 cS+e.g. 30+ cS(100.degree. C.) HVI PAO lube basestock produced from slack wax by thermal cracking to alpha olefins followed by Lewis a










 
 
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