Patents Represented by Attorney Robert A. Migliorini
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Patent number: 8329795Abstract: Oxo-diesters of cyclic olefins, methods of making them and their use as plasticizers in polymer compositions are disclosed.Type: GrantFiled: July 6, 2010Date of Patent: December 11, 2012Assignee: ExxonMobil Research And Engineering CompanyInventors: Jihad Mohammed Dakka, Edmund John Mozeleski, Lisa Saunders Baugh, Allen David Godwin, Diana S. Smirnova
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Patent number: 8323790Abstract: Multimodal cermet compositions having lower melting point metal binders and methods of making are provided. The multimodal cermet compositions having a low melting point metal binder include: a) a ceramic phase, and b) a low melting point metal binder phase, wherein the ceramic phase is a metal boride with a multimodal distribution of particles, wherein the metal of the metal boride is chosen from Group IV, Group V, Group VI elements of the Long Form of the Periodic Table of Elements, and mixtures thereof, and wherein the low melting metal binder phase is represented by the formula (DEF), wherein D is a base metal chosen from Fe, Ni, Co, Mn and mixtures thereof, E is an alloying metal comprising Cr, Si, and B, and F is an alloying element chosen from C, N, P, Al, Ga, Ge, As, In, Sn, Sb, Pb, Sc, La, Y, Ce, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Re, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au and mixtures thereof, and wherein said low melting metal binder phase has a melting point less than 1250° C.Type: GrantFiled: November 14, 2008Date of Patent: December 4, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: ChangMin Chun, Narasimha-Rao Venkata Bangaru
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Patent number: 8317940Abstract: The present invention is directed to a method for protecting metal surfaces in oil & gas exploration and production, refinery and petrochemical process applications subject to solid particulate erosion at temperatures of up to 1000° C. The method includes the step of providing the metal surfaces in such applications with a hot erosion resistant cermet lining or insert, wherein the cermet lining or insert includes a) about 30 to about 95 vol % of a ceramic phase, and b) a metal binder phase, wherein the cermet lining or insert has a HEAT erosion resistance index of at least 5.0 and a K1C fracture toughness of at least 7.0 MPa-m1/2. The metal surfaces may also be provided with a hot erosion resistant cermet coating having a HEAT erosion resistance index of at least 5.0.Type: GrantFiled: October 26, 2010Date of Patent: November 27, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: John Roger Peterson, Narasimha-Rao Venkata Bangaru, Robert Lee Antram, Christopher John Fowler, Neeraj Srinivas Thirumalai, ChangMin Chun, Emery Bela Lendvai-Lintner
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Patent number: 8309780Abstract: Provided is a process for oligomerizing n-olefins. The process has the step of reacting (oligomerizing) an amount of one or more n-olefins in the presence of a catalytically effective amount of a two or more metal oxides at a temperature effective to effect oligomerization. The two or more metal oxides are represented by the formula MOn/M?On?. M and M?, are, independently, selected from the group consisting of Al, Ce, Fe, P, W, Zr, and combinations thereof. M and M? are different metals or combinations of metals. “n” and “n?” are positive numbers and vary stoichiometrically depending on the valency of M and M?, respectively. Provided is also a process for alkylation of an alkylatable aromatic compound. The process has the step of contacting an amount of one or more n-olefins with an amount of aromatic compound in the presence of a catalytically effective amount of the two or more metal oxides at a temperature effective to effect alkylation of the aromatic compound.Type: GrantFiled: December 21, 2007Date of Patent: November 13, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Jihad Mohammed Dakka, Jeffrey T. Elks, James C. Vartuli
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Patent number: 8299281Abstract: Provided are processes for making, and processes for using triglycerides as plasticizers. Mixed triglyceride plasticizers can be produced by recovery of linear or branched C4 to C13 aldehydes from a hydroformylation product, oxidation to the acid with oxygen and/or air, recovery of the resulting acid, and esterification with a crude glycerol, wherein the total carbon number of the triester groups is from 20 to 25 for greater than or equal to 45 wt % of the plasticizer. The product selectivity obtained from esterifying with crude glycerol is comparable to that of esterifying with pure glycerol. Such plasticizers can be phthalate-free and provide outstanding properties including a suitable melting or glass transition or pour point, low volatility, increased compatibility, and excellent low temperature properties in a range of polymeric resins.Type: GrantFiled: March 16, 2010Date of Patent: October 30, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Jihad Mohammed Dakka, Edmund J Mozeleski, Lisa Saunders Baugh
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Patent number: 8298403Abstract: A process for dewaxing a waxy component-containing hydrocarbon feedstock comprises contacting the feedstock under dewaxing conditions with a catalyst system comprising ZSM-48 and a molecular sieve of the MTT framework type.Type: GrantFiled: December 8, 2009Date of Patent: October 30, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Christine N. Elia, Wenyih F. Lai
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Patent number: 8299007Abstract: A method of improving air release is disclosed. The method comprises obtaining a lubricant comprising two base stocks. The first base stock comprises a viscosity greater than 100 cSt, Kv100° C. The second base stock comprises a viscosity less than 10 cSt, Kv100° C. In addition, a lubricant formulation and method of blending a lubricant formulation is also disclosed. The lubricant formulation comprises at least two base stocks. At least 5 percent and no more than 90 percent of a first base stock comprising oil with a viscosity greater than 300 cSt, Kv100° C. At least 5 percent and no more than 90 percent of a second base stock comprising oil with a viscosity less than 10 cSt, Kv100° C.Type: GrantFiled: October 28, 2010Date of Patent: October 30, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: James T. Carey, Angela S. Galiano-Roth, Thomas G. Dietz
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Patent number: 8298451Abstract: This invention relates to reformer distillates as gassing additives for transformer oils. The reformer distillates have a 1-ring and 2-ring aromatics content of at least 98%, and are added such that the transformer oil contains less than 10 wt % of reformer distillate. The invention also relates to a method for preparing transformer oils containing reformer distillates and having excellent gassing tendency, oxidative stability, viscosity and volatility.Type: GrantFiled: September 3, 2009Date of Patent: October 30, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: S. Darden Sinclair, Martin A. Krevalis, Dominick N. Mazzone, Jean-Luc Martin, Louis F. Burns
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Patent number: 8286715Abstract: Provided are coated sleeved oil and gas well production devices and methods of making and using such coated sleeved devices. In one form, the coated sleeved oil and gas well production device includes an oil and gas well production device including one or more bodies and one or more sleeves proximal to the outer or inner surface of the one or more bodies, and a coating on at least a portion of the inner sleeve surface, outer sleeve surface, or a combination thereof, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt %, graphite, MoS2, WS2, a fullerene based composite, a boride based cermet, a quasicrystalline material, a diamond based material, diamond-like-carbon (DLC), boron nitride, and combinations thereof.Type: GrantFiled: February 22, 2010Date of Patent: October 16, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Jeffrey Roberts Bailey, Erika Ann Ooten Biediger, Narasimha-Rao Venkata Bangaru, Swarupa Soma Bangaru, legal representative, Adnan Ozekcin, Hyun-Woo Jin, Mehmet Deniz Ertas, Raghavan Ayer, William Curtis Elks, Charles Shiao-Hsiung Yeh, Michael David Barry, Michael Thomas Hecker
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Patent number: 8278255Abstract: In one embodiment, a lubricating oil with favorable shear stability is disclosed. The lubricating oil comprising a major amount of base stock selected from the group consisting of Group II, Group III, Group IV, Group V, and any combination thereof, a viscosity index improver comprising a polymethacrylate with a permanent shear stability index of less than 45 defined by ASTM 5621 with 10 percent polymer in a Group I mineral oil, an antioxidant additive and a corrosion additive. In a second embodiment a method of improving shear stability is disclosed. In a third embodiment, a method of blending an oil to provide improved shear stability and favorable viscosity index is disclosed.Type: GrantFiled: March 27, 2009Date of Patent: October 2, 2012Inventor: David G. L. Holt
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Patent number: 8278253Abstract: The resistance to oxidation of a lubricating oil is enhanced by the addition to the lubricating oil of an additive amount of an ionic liquid.Type: GrantFiled: February 5, 2010Date of Patent: October 2, 2012Assignee: ExxonMobil Research and Engineering CompanyInventor: Jacob Joseph Habeeb
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Patent number: 8268760Abstract: The anti-wear and anti-friction performance of a lubricating oil is improved by the addition thereto of an additive amount of ionic liquids.Type: GrantFiled: February 5, 2010Date of Patent: September 18, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Jacob Joseph Habeeb, Jessica Lee Prince, Michael Eugene Landis
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Patent number: 8261841Abstract: Provided are coated oil and gas well production devices and methods of making and using such coated devices. In one form, the coated oil and gas well production device includes an oil and gas well production device including one or more bodies, and a coating on at least a portion of the one or more bodies, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt %, graphite, MoS2, WS2, a fullerene based composite, a boride based cermet, a quasicrystalline material, a diamond based material, diamond-like-carbon (DLC), boron nitride, and combinations thereof. The coated oil and gas well production devices may provide for reduced friction, wear, corrosion, erosion, and deposits for well construction, completion and production of oil and gas.Type: GrantFiled: August 18, 2009Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Jeffrey Roberts Bailey, Erika Ann Ooten Biediger, Narasimha-Rao Venkata Bangaru, Swarupa Soma Bangaru, legal representative, Adnan Ozekcin, Hyun-Woo Jin, Charles Shiao-Hsiung Yeh, Michael D. Barry, Michael T. Hecker, Mehmet Deniz Ertas
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Patent number: 8263517Abstract: Catalysts for dewaxing of hydrocarbon feeds, particularly feeds with elevated sulfur and nitrogen levels, are provided. The dewaxing catalysts include a zeolite with a low silica to alumina ratio combined with a low surface binder, or alternatively the formulated catalyst has a high ratio of zeolite surface area to external surface area.Type: GrantFiled: December 18, 2008Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Christine N. Elia, Mohan Kalyanaraman, Lei Zhang, Madhav Acharya, Michael A. Daage, Darden Sinclair, Jocelyn A. Kowalski, Jose G. Santiesteban, Ajit B. Dandekar
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Patent number: 8263712Abstract: In a process for producing a functionalized polyalkenamer, at least one monomer comprising a monocyclic olefin having at least one pendant alkyl group bonded thereto, wherein the pendant alkyl group has at least two carbon atoms and is substituted with a polar moiety spaced by at least one carbon atom from the monocyclic olefin, is contacted with a polymerization catalyst under conditions effective to effect ring opening polymerization of the monocyclic olefin and produce the functionalized polyalkenamer.Type: GrantFiled: September 2, 2008Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle
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Patent number: 8263519Abstract: Catalysts for dewaxing of hydrocarbon feeds, particularly feeds with elevated sulfur and nitrogen levels, are provided. The dewaxing catalysts include a zeolite with a low silica to alumina ratio combined with a low surface binder, or alternatively the formulated catalyst has a high ratio of zeolite surface area to external surface area.Type: GrantFiled: December 18, 2008Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Christine N. Elia, Mohan Kalyanaraman, Michel A. Daage, Stephen H. Brown, Lei Zhang, Robert A. Crane, Valery Sokolovskii, David M. Lowe, Jun Han, Nicholas Ohler, Daniel M. Giaquinta, Anthony F. Volpe, Jr.
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Patent number: 8263536Abstract: The resistance to deposit formation in formulated lubricating oils is enhanced by the addition to the lubricating oil of an additive amount of ionic liquids.Type: GrantFiled: February 5, 2010Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Jacob Joseph Habeeb, Nicole D. Vaughn, Brandon Thomas Weldon
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Patent number: 8247358Abstract: The invention relates to oil compositions containing metallocene catalyzed high viscosity index polyalphaolefins (HVI-PAO). In one embodiment the oil formulation comprises a metallocene catalyzed HVI-PAO with a viscosity greater than 125 cSt kv 100° C. and a viscosity index greater than 100, a second base stock with a viscosity of at least 2 cSt kv 100° C. and less than 60 cSt kv 100° C. wherein the second base stock is at least 60 cSt kv 100° C. less than the metallocene HVI-PAO, an ester with a viscosity of at least 2 and less than 6, the ester comprising more than 10 weight percent and less than 30 weight percent of the oil formulation, the oil formulation having a viscosity index of greater than 195. The use of metallocene catalyzed HVI-PAOs in a bimodal blend provides advantages in improved shear stability, and other properties related to shear stability.Type: GrantFiled: October 1, 2009Date of Patent: August 21, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Gordon H. Lee, Kevin A. Chinn
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Patent number: 8236741Abstract: Haze formation in heavy Gas-to-Liquids (GTL) base stock is mitigated by the addition to said GTL base stock of one or more particular additives.Type: GrantFiled: November 14, 2008Date of Patent: August 7, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Marc-André Poirier, Charles Lambert Baker, Jr., Nicholas Anthony Hilder, Chung-Lai Wong, Dorothy Wong, legal representative, James William Gleeson, Vera Minak-Bernero
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Patent number: 8227392Abstract: 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 lubricants. The polymers may be made in the presence of a metallocene catalyst with a non-coordinating anion activator and optionally with hydrogen.Type: GrantFiled: May 13, 2008Date of Patent: July 24, 2012Assignee: Exxonmobil Research and Engineering CompanyInventors: Margaret M. Wu, Ernestine W. Hill, Liehpao Oscar Farng, Andrew Jackson