Patents Represented by Attorney E. T. Wheelock
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Patent number: 4878950Abstract: A bitumen composition comprising asphalt and a low molecular weight .alpha.-olefin homopolymer or copolymer. The composition is useful in the preparation of roofing coatings or materials and the cured roofing material will exhibit improved low temperature flexibility when compared to prior art roofing compositions. The composition may also contain other additives including high molecular weight polymers, fillers, fire retardants, anti-oxidants, anti-ozonants, pigments and the like.Type: GrantFiled: April 29, 1988Date of Patent: November 7, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Andrew Halasz, Giuseppe Spinelli, David H. Doolittle
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Patent number: 4870197Abstract: This invention is a process for preparing Group I-B and II-B metal, preferably copper, salts of polyolefinic substituted dicarboxylic acids. The method involves the step of introducing substantially less than a stoichiometric amount of a short chain carboxylic acid (such as acetic or propionic acid), in a stagewise fashion, to a mixture of a source of the corresponding Group I-B or II-B metal (such as an oxide or hydroxide) with the polyolefinic substituted dicarboxylic acid. The product salt is then recovered.Type: GrantFiled: December 12, 1986Date of Patent: September 26, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Antonio Gutierrez, Robert D. Lundberg, Laura J. Colcord-Hernandez
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Patent number: 4839070Abstract: This invention is to dispersants containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are the same or different and are moities of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are the same or different and are alkylene of from 1 to 6 carbon atoms, m is an integer of from 1 to 5, each A' is independently selected from the group consisting of H, A and the moiety: ##STR4## wherein A" is H or A, R.sup.3 is as defined above, R.sup.6 is alkylene of from 1 to 6 carbon atoms, T.sup.1 and T.sup.2 are the same or different and each comprises a member selected from the group consisting of moieties of the formula: ##STR5## wherein B' is substituted or unsubstituted alkyl or aryl-containing group, n.sup.1 is an integer of 0 to 10, n.sup.2 is an integer of 0 to 10, n.sup.3 is an integer of from 0 to 10, n.sup.4 is an integer of from 0 to 10, with the provisos that the sum of n.sup.Type: GrantFiled: May 18, 1987Date of Patent: June 13, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Antonio Gutierrez, Robert A. Kleist
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Patent number: 4839073Abstract: This invention is to compatibility aids containing polyolefinic succinimide polyamide alkyl acetoacetate or trialkyl acetic anhydride adducts of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are the same or different and are moities of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are the same or different and are alkylene of from 1 to 6 carbon atoms, m is an integer of from 1 to 5, each A' is independently selected from the group consisting of H, A and the moiety: ##STR4## wherein A" is H or A, R.sup.3 is as defined above, R.sup.6 is alkylene of from 1 to 6 carbon atoms, T.sup.1 and T.sup.2 are the same or different and each comprises a member selected from the group consisting of moieties of the formula: ##STR5## wherein B' is substituted or unsubstituted alkyl or aryl-containing group, n.sup.1 is an integer of 0 to 10, n.sup.2 is an integer of 0 to 10, n.sup.3 is an integer of from 0 to 10, n.sup.Type: GrantFiled: May 18, 1987Date of Patent: June 13, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Antonio Gutierrez, Jacob Emert, Robert A. Kleist, Malcolm Waddoups
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Patent number: 4839071Abstract: This invention is to a lubricating or fuel oil composition containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are moities of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are alkylene of from 1 to 6 carbon atoms, m is an integer of from 1 to 5, each A' is H, A and the moiety: ##STR4## wherein A" is H or A, R.sup.3 is as defined above, R.sup.6 is alkylene of from 1 to 6 carbon atoms, T.sup.1 and T.sup.2 are ##STR5## wherein B' is substituted or unsubstituted alkyl or aryl-containing group, n.sup.1, n.sup.2, n.sup.3 and n.sup.4 are from 0 to 10 their sum being from 3 to 10, R.sup.1 and R.sup.5 are an olefin polymer, and A comprises a tautomeric substituent of the formula: ##STR6## wherein R.sup.10 is substituted or unsubstituted alkyl or aryl containing groups.Type: GrantFiled: May 18, 1987Date of Patent: June 13, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Antonio Gutierrez, Robert D. Lundberg, Robert A. Kleist, Ricardo Bloch
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Patent number: 4839072Abstract: This invention is to polyolefinic succinimide polyamine alkyl acetoacetate of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are the same or different and are moieties of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are the same or different and are alkylene of from 1 to 6 carbon atoms, m is an integer of from 1 to 5, each A' is independently selected from the group consisting of H, A and the moiety: ##STR4## wherein A" is H or A, R.sup.3 is as defined above, R.sup.6 is alkylene of from 1 to 6 carbon atoms, T.sup.1 and T.sup.2 are the same or different and each comprises a member selected from the group consisting of moieties of the formula: ##STR5## wherein B' is substituted or unsubstituted alkyl or aryl-containing group, n.sup.1 is an integer of 0 to 10, n.sup.2 is an integer of 0 to 10, n.sup.3 is an integer of from 0 to 10, n.sup.4 is an integer of from 0 to 10, with the provisos that the sum of n.sup.1, n.sup.2, n.sup.3 and n.sup.Type: GrantFiled: May 18, 1987Date of Patent: June 13, 1989Assignee: Exxon Chemical Patents Inc.Inventors: Antonio Gutierrez, Robert A. Kleist
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Patent number: 4797200Abstract: This invention relates to a method for upgrading heavy oils for use in subsequent hydrocarbon processing. The process is especially suitable for removing metals which are in the form of nickel or vanadium organic compounds and for lowering the Conradson Carbon Residue of the resulting oil. The process includes the steps of diluting the heavy oil with a solvent which completely solvates the oil and subjecting the resulting mixture to an ultrafiltration step using selected membranes.Type: GrantFiled: May 4, 1984Date of Patent: January 10, 1989Assignee: Exxon Research and Engineering CompanyInventor: Edward J. Osterhuber
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Patent number: 4760882Abstract: This application discloses a process for drilling and primary cementing a well using a drilling fluid containing a polymeric material which may be converted into a well cement by contact with an initiator and, optionally, by irradiation with a suitable radioactive source.Type: GrantFiled: February 2, 1983Date of Patent: August 2, 1988Assignee: Exxon Production Research CompanyInventor: Lucille H. Novak
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Patent number: 4751011Abstract: This invention relates to oil soluble additives particularly useful in lubricating oil compositions, and to concentrates or lubricating compositions containing these additives. The additives are various metal salts of mono- or dicarboxylic acids, anhydrides, esters, etc., which have been substituted with a high molecular weight hydrocarbon group, and derivatives thereof. The high molecular weight hydrocarbon group has a number average-molecular weight (M.sub.n) of greater than about 900. The metal salt additives are especially useful in combination with certain grafted ethylene-olefin copolymers or copolymers of 4-vinyl pyridine and esters of aliphatic mono-, di- or polycarboxylic acids as viscosifying agents.Type: GrantFiled: December 12, 1986Date of Patent: June 14, 1988Assignee: Exxon Chemical Patents Inc.Inventors: Robert D. Lundberg, Alan A. Schetelich, Antonio Gutierrez, Robert R. Phillips
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Patent number: 4717700Abstract: A zeolite-based catalyst containing a metal oxide or oxide complex is dried by heating while in contact with the gas. Heat input to the catalyst and hence the rate of catalyst temperature increase are controlled so as to limit the rate of water evolution from the catalyst and the water vapor concentration in the gas, thereby to maintain the metal oxide or complex in dispersed form within the pores of the zeolite.Type: GrantFiled: June 16, 1986Date of Patent: January 5, 1988Assignee: Exxon Research & Engineering Co.Inventors: Ramdas Venkatram, John C. Roarty, Theodorus M. Wortel, James L. Carter
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Patent number: 4714788Abstract: In a process for separating C.sup.4 to C.sup.7 tertiary mono-olefins(s) present in a C.sup.4 to C.sup.7 hydrocarbon mixture containing diolefins which comprises selectively reacting said tertiary mono-olefin mixture with a primary alcohol in the presence of an acid catalyst to convert it to tertiary ether(s), separating the tertiary ether(s) from the unreacted hydrocarbon mixture and containing said tertiary ether(s) in the presence of a catalyst to decompose it to tertiary olefin(s) and a primary alcohol, the improvement which comprises hydrogenating the tertiary ether(s) after it has been separated from the unreacted hydrocarbon mixture and prior to decomposition to saturate the unsaturated ether(s) formed from the diolefins present in the hydrocarbon mixture.Type: GrantFiled: July 14, 1986Date of Patent: December 22, 1987Assignee: Exxon Chemical Patents Inc.Inventors: Robert C. Michaelson, Jeffrey S. Plotkin
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Patent number: 4701315Abstract: A zeolite related to zeolite L and having a characteristic cylindrical morphology may be prepared from a crystallization gel comprising (in mole ratios of oxides):K.sub.2 O/SiO.sub.2 --0.22-0.36H.sub.2 O/K.sub.2 O--25-90SiO.sub.2 /Al.sub.2 O.sub.3 --6-15and preferably with the mole ratio H.sub.2 O/K.sub.2 O+Al.sub.2 O.sub.3 +SiO.sub.2 being at least 8. The cylindrical Zeolite L may be used as a catalyst base in aromatization of acyclic hydrocarbons with high benzene yields being sustained over commerically feasible periods.Type: GrantFiled: April 18, 1985Date of Patent: October 20, 1987Assignee: Exxon Research & Engineering Co.Inventor: Theodorus M. Wortel
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Patent number: 4691073Abstract: High purity tertiary olefins are obtained in extremely high yields over a sustained period by cracking alkyl tert-alkyl ethers over clay catalysts which have been treated with HF and/or HC1. Preferably temperature are 100.degree.-250.degree. C., the surface area of the catalyst is above 40 M.sup.2 /gm and the cracking step is part of a process for recovering isobutylene or isoamylene from steam cracked streams.Type: GrantFiled: July 14, 1986Date of Patent: September 1, 1987Assignee: Exxon Chemical Patents Inc.Inventor: Robert C. Michaelson
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Patent number: 4686048Abstract: A process is disclosed for treating cat cracker bottoms sludge to remove the cat cracker bottoms hydrocarbons from the catalyst fines in the sludge to provide treated fines which are environmentally safe for landfill. The process involves mixing the sludge with a hydrocarbon diluent, separating the fines from the diluent-sludge mixture, then mixing the separated fines and remaining diluent with water and distilling off the remaining diluent to obtain the treated fines.Type: GrantFiled: December 23, 1981Date of Patent: August 11, 1987Assignee: Exxon Research & Engineering Co.Inventors: George A. Atherton, Ghazi B. Dickakian, Edward D. Grant, Jr.
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Patent number: 4677236Abstract: A zeolite related to zeolite L and having a characteristic cylindrical morphology may be prepared from a crystallization gel comprising (in mole ratios of oxides):______________________________________ K.sub.2 O/SiO.sub.2 0.22-0.36 H.sub.2 O/K.sub.2 O 25-90 SiO.sub.2 /Al.sub.2 O.sub.3 6-15 ______________________________________and preferably with the mole ratio H.sub.2 O/K.sub.2 O+Al.sub.2 O.sub.3 +SiO.sub.2 being at least 8. The cylindrical Zeolite L may be used as a catalyst base in aromatization of acyclic hydrocarbons with high benzene yields being sustained over commercially feasible periods.Type: GrantFiled: February 10, 1986Date of Patent: June 30, 1987Assignee: Exxon Research & Engineering Co.Inventor: Theodorus M. Wortel
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Patent number: 4637886Abstract: There are disclosed macrocyclic and polycyclic polyamine lubricating oil additives formed by cyclodehydration of reaction products of hydrocarbon substituted succinic anhydrides or carboxylic acids with poly 3-amino propyl compounds or by acylation of macrocyclic polyamines and polycyclic polyamines with hydrocarbon substituted succinic anhydride or carboxylic acids. These compounds are useful as dispersants and dispersants-V.I. improvers in both gasoline and diesel engine lubricating oil compositions and are also useful fuel additives.Type: GrantFiled: November 16, 1983Date of Patent: January 20, 1987Assignee: Exxon Research & Engineering Co.Inventors: Stanley J. Brois, Antonio Gutierrez
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Patent number: 4620728Abstract: The present invention relates to a flowline swivel. The swivel is configured so that the product seals are easily replaceable, the included bearing are not exposes to contamination either during use or during replacement of the product seals, and the seal surfaces may be cleaned without disturbing the bearings. The swivel incorporates removable product and environmental seal surfaces.Type: GrantFiled: March 5, 1986Date of Patent: November 4, 1986Assignee: Exxon Production Research CompanyInventors: James R. Barth, Thomas G. A. Choate
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Patent number: 4620048Abstract: Fluid solutions, e.g. mineral oil solutions, of polydispersed polymers have improved resistance to mechanical shear when said polymers have a narrow molecular weight distribution, i.e. ##EQU1## 10 and/or a reduced compliance less than that of a linear monodisperse polymer of the same chemical repeat unit and M.sub.w and preferably said solution at a concentration such that [.eta.] c ranges from one-tenth to five where [.eta.] is the intrinsic viscosity of the polymer in the oil and c is the concentration in the same units and/or has a compliance no larger than twenty times the value exhibited by an identical solution except that said polymer was replaced by a linear monodisperse polymer of the same chemical structure and of the same (.+-.5%) weight average molecular weight (M.sub.w).Type: GrantFiled: April 17, 1984Date of Patent: October 28, 1986Assignee: Exxon Research & Engineering Co.Inventors: Gary W. Ver Strate, William W. Graessley, Edward N. Kresge
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Patent number: 4396088Abstract: The invention relates to a marine seismic source which emits an FM signal linearly increasing from 10 Hz to about 100 Hz. The source has a number of transducers which are flexible sleeves containing a pulsing hydraulic fluid.Type: GrantFiled: February 6, 1981Date of Patent: August 2, 1983Assignee: Exxon Production Research Co.Inventor: Joseph F. Bayhi
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Patent number: 4390067Abstract: A method for treating a field containing viscous oil or bitumen for subsequent production is described. The steps central to the process are drilling a horizontal well within the oil-bearing stratum, and heating the oil in the vicinity of the horizontal well to produce a hot liquid corridor. The open borehole is filled and the oil in the heated corridor is displaced from one end to the other. The corridors may be connected in various configurations to effectively displace a high percentage of oil in a particular field.Type: GrantFiled: April 6, 1981Date of Patent: June 28, 1983Assignee: Exxon Production Research Co.Inventor: Bertram T. Willman