Patents Examined by D. E. Gantz
  • Patent number: 4632749
    Abstract: A process is disclosed for the fluid catalytic cracking of a hydrocarbon oil which comprises contacting said oil at fluid catalytic cracking conditions with a catalyst consisting of silica, a rare earth metal component and a dealuminated zeolitic aluminosilicate having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of from 4.5 to 35, the essential X-ray powder diffraction pattern of zeolite Y, an ion exchange capacity of not greater than 0.070, a unit cell dimension a.sub.o of from 24.20 to 24.45 A, a surface area of at least 350 m.sup.2 /g (B-E-T), a sorptive capacity for water vapor at 25.degree. C. and a p/p.sub.o value of 0.10 of less than 4.00 weight percent and a Residual Butanol Test value of not more than 0.40 weight percent.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: December 30, 1986
    Assignee: UOP Inc.
    Inventor: Lee Hilfman
  • Patent number: 4612110
    Abstract: At least one decomposable molybdenum dithiocarbamate compound is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such decomposable molybdenum dithiocarbamate compound is then contacted in a hydrofining process with a catalyst composition comprising a support selected from the group consisting of alumina, silica and silica-alumina and a promoter comprising at least one metal selected from Group VIB, Group VIIB and Group VIII of the Periodic Table. The introduction of the decomposable molybdenum dithiocarbamate compound may be commenced when the catalyst is new, partially deactivated or spent with a beneficial result occurring in each case.
    Type: Grant
    Filed: March 14, 1984
    Date of Patent: September 16, 1986
    Assignee: Phillips Petroleum Company
    Inventors: Simon G. Kukes, Thomas Davis, Howard F. Efner, Robert J. Hogan, Daniel M. Coombs
  • Patent number: 4601814
    Abstract: A process is described for converting residual oil with fluid catalyst particles which comprises passing an upflowing suspension of fluid catalyst particles at an elevated temperature upwardy through a riser reaction zone/atomizing a residual oil feed to be converted to a particle size commensurate with the particle size of the catalyst particles in the upflowing suspension; discharging the atomized residual oil at a velocity in excess of 300 ft./sec. for contact with said upflowing catalyst particle suspension; maintaining the temperature of contact between said catalyst particles and said atomized residual oil feed suspension sufficiently elevated to obtain up to 50 percent thermal conversion of the atomized oil feed and catalytic conversion thereof by an order of magnitude greater than obtainable with a less atomized oil feed; and separating the suspension vaporous products of the previous step from catalyst particles in a time frame less than two seconds.
    Type: Grant
    Filed: May 27, 1983
    Date of Patent: July 22, 1986
    Assignee: Total Engineering and Research Company
    Inventors: Jean-Louis Mauleon, Robert J. Newman
  • Patent number: 4596650
    Abstract: Sub-bituminous coal is directly liquefied in two stages by use of a liquefaction solvent containing insoluble material as well as 850.degree. F.+ material and 850.degree. F.- material derived from the second stage, and controlled temperature and conversion in the second stage. The process is in hydrogen balance.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: June 24, 1986
    Assignee: Lummus Crest, Inc.
    Inventors: Harvey D. Schindler, James M. Chen
  • Patent number: 4595490
    Abstract: Normal paraffins present in high concentrations in light naphtha streams are separated from non-normal paraffins in a four or more bed adsorption system employing, on a cyclic basis, the processing steps of (1) cocurrent purge/adsorption, (2) cocurrent feed/adsorption, (3) countercurrent purge and (4) countercurrent displacement. A processing sequence is employed wherein the cocurrent purge/adsorption and countercurrent purge steps are carried out on a discontinuous basis, while cocurrent feed/adsorption and countercurrent displacement steps are carried out in overlapping sequence.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: June 17, 1986
    Assignee: Union Carbide Corporation
    Inventors: Robert L. Gray, Jr., Peter L. Oetinger
  • Patent number: 4594469
    Abstract: A process for oligomerizing alpha-olefins comprising contacting in a reactor zone under reaction conditions: (a) alpha-olefins having at least three carbon atoms; (b) an alkyl aluminum bromine or iodine compound having the formula R.sub.3 Al.sub.2 X.sub.3 or R.sub.n AlX.sub.3-n, wherein n is 1 or 2; R is an hydrocarbyl group and X is a reactive halogen selected from bromine and iodine; and (c) a cocatalyst which is (i) bromine, (ii) iodine, (iii) hydrocarbyl bromide having at least one halogen group reactive with said aluminum compound or (iv) hydrocarbyl iodide having at least one halogen group reactive with said aluminum compound.
    Type: Grant
    Filed: September 8, 1983
    Date of Patent: June 10, 1986
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Frederick C. Loveless, Aspet V. Merijanian, David J. Smudin, Walter Nudenberg
  • Patent number: 4590174
    Abstract: Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising an inorganic refractory oxide support containing at least one of tungsten oxide and molybdenum oxide and a promoting amount of at least one methylating agent under conditions suitable for the methylating agent compounds to promote the activity of tungsten and molybdenum oxides for the disproportionation reaction.
    Type: Grant
    Filed: September 11, 1984
    Date of Patent: May 20, 1986
    Assignee: Phillips Petroleum Company
    Inventors: Simon G. Kukes, Robert L. Banks
  • Patent number: 4581123
    Abstract: This invention is based upon a new concept in carbon artifact manufacture, wherein a precursor can be manufactured by blending extracted components of at least one pitch to give an optimized mixture having the proper chemistries and rheology to provide high strength carbon artifacts.
    Type: Grant
    Filed: May 7, 1985
    Date of Patent: April 8, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Ghazi Dickakian
  • Patent number: 4572185
    Abstract: A surgical needle holder is provided in which the handle members are arranged in a plane at right angles to associated jaws which are operated by the handles. A camming arrangement is coupled between the handles and jaws to convert the movement of the handles in one plane to movement of the jaws in a second perpendicularly arranged plane. The needle holder is employed for suturing in surgical procedures and facilitates placement of the hand of the operator as well as the application of force in a rotary sense thereby.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: February 25, 1986
    Inventor: Mark Rich
  • Patent number: 4571247
    Abstract: A product for eliminating soot from chimneys and smoke ducts in general by inducing the complete combustion thereof, for use in the form of tablets which are introduced into the hearth of the combustion appliance. Said tablets are constituted essentially by a mixture of the following components: cupric chloride, ammonium chloride, stearin and/or paraffin, sulphur and tableting binders and auxiliaries such as talc and starch.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: February 18, 1986
    Assignee: Cavallino S.N.C. Prodotti Chimici
    Inventor: Bruno Barbieri
  • Patent number: 4571294
    Abstract: Hydrocarbons may be recovered from hydrocarbon-bearing ore by reducing the ore to small particles, forming the reduced ore into pellets, setting the pellets, and then contacting the pellets with an extracting solvent. The extracted hydrocarbons usually have an ash content of less than about three weight percent, and the spent pellets usually retain less than 0.75 pounds of solvent per pound of spent pellets.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: February 18, 1986
    Assignee: Getty Oil Company
    Inventors: Robert H. Friedman, Bertram E. Eakin
  • Patent number: 4569755
    Abstract: This invention relates to a low energy process for the solvent extraction of aromatic hydrocarbons from hydrocarbon streams containing the same, using as the solvent N-cyclohexyl-2-pyrrolidone together with small amounts of water. This solvent may be recovered from the aromatics by cooling the aromatic/solvent mixture, and adding water, whereby separation takes place without distillation. The solvent may then be separated from the water by heating the solvent/water mixture.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: February 11, 1986
    Assignee: Sun Refining and Marketing Company
    Inventors: Thomas J. McGinley, Peter Hosler
  • Patent number: 4569752
    Abstract: A carbonaceous feed, such as a heavy hydrocarbonaceous oil or coal, and mixtures thereof, is upgraded by a combination coking and catalytic slurry hydroconversion process in which a catalyst precursor is added to the feed of the hydroconversion zone as a catalyst precursor concentrate prepared from a virgin hydrocarbonaceous oil and a thermally decomposable or oil dispersible metal compound.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: February 11, 1986
    Assignee: Exxon Research and Engineering Co.
    Inventors: Clyde L. Aldridge, Roby Bearden, Jr.
  • Patent number: 4569753
    Abstract: A combination process is described for upgrading residual oils and high boiling portions thereof comprising metal contaminants and high boiling Conradson carbon forming compounds comprising a thermal visbreaking operation with fluidizable inert solids followed by a fluidized zeolite catalytic cracking operation processing demetallized products of the visbreaking operation, regenerating solid particulate of each operation under conditions to provide CO rich flue gases relied upon to generate steam used in each of the fluidized solids conversion operation and downstream product separation arrangements, separating the wet gas product stream of each operation in a common product recovery arrangement and processing the high boiling feed product of visbreaking comprising up to 100 ppm Ni+V metal contaminant over a recycled crystalline zeolite cracking catalyst distributed in a sorbent matrix material comprising a high level of Ni+V metal contaminant.
    Type: Grant
    Filed: August 19, 1983
    Date of Patent: February 11, 1986
    Assignee: Ashland Oil, Inc.
    Inventors: Lloyd E. Busch, Paul W. Walters, Oliver J. Zandona
  • Patent number: 4570028
    Abstract: A method is disclosed for converting methane to acetylene wherein a mixture of oxygen-containing gas and hydrocarbons is compressed and ignited to react the mixture to form a product gas containing acetylene, ethylene and C.sub.2 + hydrocarbons, and the reacted mixture is rapidly expanded and cooled. The mixture contains a mole ratio of hydrocarbons to oxygen-containing gas ranging from about 0.75:1 to about 1.65:1.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: February 11, 1986
    Assignee: Atlantic Richfield Company
    Inventors: Frederick L. Voelz, Frank Lowther
  • Patent number: 4569750
    Abstract: Deposit formation on the interior surfaces of structures confining heated hydrocarbon fluids such as refinery units, particularly preheating stages associated with process units such as distillation units, hydrotreaters and thermal crackers, is inhibited by incorporating in the feed stock a small percentage (usually at least about 0.0005 weight percent) of a macrocyclic polyamine 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 polyamine and polycyclic polyamines with hydrocarbon substituted succinic anhydride or carboxylic acids. It is desirable in some instances to dissolve additionally in the hydrocarbon fluid such as a feed stock along with the macrocyclic polyamine an oil-soluble dispersant, antioxidant and mixtures thereof.
    Type: Grant
    Filed: November 27, 1984
    Date of Patent: February 11, 1986
    Assignee: Exxon Research & Engineering Co.
    Inventors: Darrell W. Brownawell, Antonio Gutierrez, Stanley J. Brois, Donald F. Jacques, Gary L. Behelfer, Thomas M. Ferrell, Stephan Ilnyckyj
  • Patent number: 4570026
    Abstract: MTBE can be dissociated with high selectivity to isobutene and methanol over acid action exchange resin catalysts using very high LHSV, e.g. of 7 to 35 at pressure drops of 0.5 to 50 psig through the fixed bed at reaction pressure of 0.5 to 4 atmospheres and bed temperatures in a fixed bed tubular-reactor in the range of 90.degree. C. to 160.degree. C. Good conversions are obtained and undissociated MTBE and by-products of the dissociation may be recycled to a liquid phase MTBE synthesis.
    Type: Grant
    Filed: August 12, 1983
    Date of Patent: February 11, 1986
    Assignee: Petro-Tex Chemical Corporation
    Inventors: Donald A. Keyworth, Cecil G. McFarland
  • Patent number: 4569751
    Abstract: A carbonaceous feed, such as a heavy hydrocarbonaceous oil or coal and mixtures thereof, is upgraded by a combination coking and catalytic slurry hydroconversion process.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: February 11, 1986
    Assignee: Exxon Research and Engineering Co.
    Inventors: Clarence M. Eidt, Jr., Clyde L. Aldridge, Roby Bearden, Jr.
  • Patent number: 4568657
    Abstract: A natural active stable catalyst for use in the hydrodemetallization (HDM) and the hydroconversion (HC) of heavy crudes and residues and, in particular, a method for the preparation of the catalyst from natural clay and a process for the treatment of heavy crudes and residues with the catalyst. The catalyst is free of hydrogenating metals of Groups VIB and VIII of the Periodic Table and comprises primarily iron, silica and alumina derived from the composition of the natural clay. The catalyst possesses a surface area of between 20 to 100 m.sup.2 /g, a total pore volume of between 0.20 to 0.90 cc/g, where 50 to 100% of the total pore volume contains pores of diameter greater than 400 .ANG.. The catalyst has a ratio I(Fe)/I(Si+Al) of between 0.2 to 0.9 as determined by XPS.
    Type: Grant
    Filed: October 3, 1984
    Date of Patent: February 4, 1986
    Assignees: Intevep, S.A., Universidad Central de Venezuela
    Inventors: Gonzalo Sepulveda, Marcos Rosa-Brussin, Nereida Carrion, Pedro Roa, Alfredo Morales Ruiz, Jose Guitian, Otto Rodriguez, Carlos Zerpa
  • Patent number: 4568446
    Abstract: A method for converting hydrocarbonaceous materials such as oil shale, tar sands and other similar materials into hydrocarbonaceous fluids by use of a liquid hydrogen donor wherein the reaction is conducted in a substantially air free environment and the resultant modified organic content on said shale is recovered without the use of a hydrocarbonaceous solvent.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: February 4, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Costandi A. Audeh, Joseph J. Dickert, Jr.