Patents Represented by Attorney Dale Lovercheck
  • Patent number: 4948039
    Abstract: A container that can be collapsed and returned to the sender for re-use. The container is made of a flat thermoplastic board comprised of a first sheet and a second sheet held in spaced relation to one another by webbing. A single sheet may be 0.020 inches thick more or less. The container has square corners, is strong and durable. The container has sides and ends formed by cutting one sheet, leaving the other for a hinge and attaching the sides and ends by means of Velcro.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: August 14, 1990
    Inventor: David A. Amatangelo
  • Patent number: 4499864
    Abstract: In a method of producing fuel for start-up to an automobile internal combustion engine which is continuously operated after start-up on alcohol and/or dissociated alcohol and/or liquid hydrocarbonthe improvement comprising the steps of:(a) providing a readily replaceable first container having an initial amount of hydride therein in fluid flow communication with said internal combustion engine,(b) heating said hydride whereby hydrogen is produced leaving a hydride product and a remainder of hydridesaid remainder of hydride being lesser in amount than said initial amount of hydride,(c) initially starting said engine,whereby hydrogen is produced from the hydride for initially starting said engine and said remainder of hydride without regeneration of hydride product is available for the next starting of said engine.
    Type: Grant
    Filed: February 10, 1983
    Date of Patent: February 19, 1985
    Assignee: Conoco Inc.
    Inventors: Dale R. Lovercheck, George P. Curran
  • Patent number: 4488517
    Abstract: A method of cold starting an internal combustion engine operated on atomized liquid fuel after start up comprising the steps of:heating a vaporization means with an electrical resistance heating element,heating a catalytic dissociation reactor with an electrical resistance element,pumping liquid alcohol to said heated vaporization means to form a vaporized alcohol,conveying air and vaporized alcohol to said catalytic dissociation reactor wherein partial combustion of said vaporized alcohol occurs as well as dissociation of said vaporized alcohol to form a partial start up fuel mixture comprising hydrogen and carbon monoxide,pumping liquid alcohol to an atomization means to form atomized liquid alcohol,adding said partial start up fuel mixture and said atomized liquid alcohol to form a complete start up fuel mixture,conveying said complete start up fuel mixture to said internal combustion engine,starting said internal combustion engine by igniting a mixture of air and complete start up fuel mixture therewithin
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: December 18, 1984
    Assignee: Conoco Inc.
    Inventor: Heeyoung Yoon
  • Patent number: 4476818
    Abstract: A method of fuel treatment and distribution for an internal combustion engine including the sequence of steps as follows:(a) heating a catalyst bed reactor to a start-up temperature using exhaust gas from an internal combustion engine being operated on atomized alcohol; the catalyst bed reactor including a partial combustion catalyst and an alcohol dissociation catalyst;(b) vaporizing liquid alcohol to form alcohol vapor;(c) mixing the alcohol vapor with a fixed flow rate of air to form a partial combustion mixture, the flow rate being substantially fixed at about the flow rate required for adiabatic dissociation of the alcohol vapor at the flow rate of the alcohol vapor during idling of the internal combustion engine;(d) contacting the partial combustion mixture and the partial combustion catalyst and the dissociation catalyst to form a hydrogen-rich fuel;(e) mixing air and the hydrogen rich fuel to form a total combustion mixture;(f) burning the total combustion mixture in an internal combustion engine.
    Type: Grant
    Filed: October 19, 1983
    Date of Patent: October 16, 1984
    Assignee: Conoco Inc.
    Inventor: Heeyoung Yoon
  • Patent number: 4458037
    Abstract: Disclosed is an improved method of making a cellular crosslinked polymer with a metathesis-catalyst system where a metathesis-catalyst is activated with an alkylaluminum iodide compound.In a preferred embodiment, two parts of the metathesis-catalyst system form the basis for two solutions, a catalyst/monomer solution and an alkylaluminum iodide activator/monomer solution. At least one solution also contains a blowing agent. The solutions are combined in one place, such as the mixing head of a reaction injection molding machine, and then injected into another place, such as a mold, where the monomer reacts to form a cellular crosslinked polymer.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: July 3, 1984
    Assignee: Hercules Incorporated
    Inventor: Douglas R. Leach
  • Patent number: 4444158
    Abstract: A method of methyl alcohol treatment and distribution for an automobile internal combustion engine including the sequence of steps as follows:(a) heating a catalyst bed reactor to a start-up temperature using exhaust gas from an internal combustion engine being operated on atomized methyl alcohol; the catalyst bed reactor including a partial combustion catalyst and a methanol dissociation catalyst;(b) isolating the catalyst bed reactor from the exhaust;(c) vaporizing liquid methyl alcohol to form alcohol vapor;(d) mixing the alcohol vapor with air in a constant ratio of oxygen to alcohol at variable alcohol flow rates, to form a partial combustion mixture;(e) contacting the partial combustion mixture and the partial combustion catalyst to exothermically form dissociation mixtures the dissociation mixture including methanol vapor, water vapor, carbon monoxide, and hydrogen each in substantial proportion;(f) contacting the dissociation mixture and the dissociation catalyst to endothermically form hydrogen-rich
    Type: Grant
    Filed: September 3, 1982
    Date of Patent: April 24, 1984
    Assignee: Conoco Inc.
    Inventor: Heeyoung Yoon
  • Patent number: 4441461
    Abstract: A method of fuel treatment and distribution for an automobile internal combustion engine comprising the steps as follows:(a) vaporizing liquid alcohol to form alcohol vapor;(b) providing a substantial amount of engine exhaust heat to an endothermic reactor having an endothermic dissociation catalyst therein,(c) contacting said vapor and said endothermic dissociation catalyst for form a hydrogen-rich gaseous-vapor mixture,(d) mixing said hydrogen-rich gaseous-vapor mixture with air to form a partial combustion mixture,(e) operating an adiabatic reactor without a substantial amount of exhaust heat within an operational temperature range, said adiabatic reactor having a catalyst bed comprising a partial combustion catalyst and a dissociation catalyst,(f) contacting said partial combustion mixture and said partial combustion catalyst and said dissociation catalyst whereby a fuel mixture is formed.
    Type: Grant
    Filed: September 15, 1983
    Date of Patent: April 10, 1984
    Assignee: Conoco Inc.
    Inventors: Heeyoung Yoon, Gerald D. Rutledge
  • Patent number: 4440543
    Abstract: A method for stabilizing a slurry of finely divided particulate solids in a liquid, the method consisting essentially of dispersing from about 1 to about 10 weight percent, based on the particulate solids, finely divided wood particles in the slurry, thereby improving the stability of the slurry.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: April 3, 1984
    Assignee: Conoco Inc.
    Inventor: J. Paul Echtler
  • Patent number: 4440546
    Abstract: A process of tar destruction in gasification of carbonaceous material comprising providing a mixture of finely divided calcium compound of a particle size smaller than 65 mesh and finely divided carbonaceous material of a particle size smaller than 65 mesh, the calcium compound to carbonaceous material ratio being from about 0.5 to 1.0 and contacting the mixture with CO.sub.2 and tar exothermally whereby the tar is destroyed.
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: April 3, 1984
    Assignee: Conoco Inc.
    Inventors: Michael S. Lancet, Everett Gorin
  • Patent number: 4439210
    Abstract: A high ash fusion catalyzed gasification process comprising providing a mixture of 50 to 90 weight percent finely divided carbonaceous material particles of a size smaller than 65 mesh and 10 to 50 weight percent finely divided calcium compound particles of a size smaller than 65 mesh,gasifying the carbonaceous material,the gasifying comprising heating the mixture of finely divided carbonaceous material and finely divided calcium compound to a temperature above the ash fusion temperature of the carbonaceous material and below the ash fusion temperature of the mixture to form a carbonaceous suspension of calcium compound whereby the calcium compound catalyzes the gasification.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: March 27, 1984
    Assignee: Conoco Inc.
    Inventor: Michael S. Lancet
  • Patent number: 4439304
    Abstract: A method of forming a liquefied coal product having a lower sulfur percent by weight than the solid coal from which it is derived comprising the steps as follows:(a) providing solid coal having a sulfur percent by weight of a particle size less than about 14 Tyler mesh,(b) providing calcium oxide of a particle size less than about 40 Tyler mesh,(c) mixing said solid coal and said calcium oxide with liquefaction solvent to form a liquefaction mixture,(d) hydrogenating and heating said liquefaction mixture to at least about 750.degree. F. forming a liquefied coal product having residual coal solids and calcium sulfide solids,said liquefied coal product having a liquefied coal product sulfur percent by weight, which is less than said solid coal sulfur percent by weight.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: March 27, 1984
    Assignee: Conoco Inc.
    Inventors: John D. Sudbury, Clyde W. Zielke
  • Patent number: 4437982
    Abstract: A method of separating fine coal particles from refuse particles comprising the step of:(a) providing a coal filter cake(b) forming a slurry of fine coal particles, refuse particles in a liquid mixture comprising water and organic liquid,(c) contacting said coal filter cake with said slurry,whereby a major portion of said water and a major portion of said refuse pass through said filter cake and a major portion of said organic liquid and a major portion of said fine coal particles pass across the top of said filter cake.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: March 20, 1984
    Assignee: Conoco Inc.
    Inventor: George E. Wasson
  • Patent number: 4430444
    Abstract: A process for producing methanol from solid carbonaceous material comprisingproviding a gasifier means and a methanol formation means connected to said gasifier means, said gasifier means comprising a gasification chamber defined by a gasification chamber wall having an upper and a lower portion, an upper chamber wall inlet means for feeding said solid carbonaceous material into said gasification chamber, a lower chamber wall gas injection means for introducing gas into said gasification chamber, andan upper chamber wall gas outlet means, said gas outlet being connected to a gas product conduit,said methanol formation means comprising a methanol formation reactor means, reactor output conduit means, condensor means, and condensor output conduit means, said reactor conduit means being connected to said lower chamber wall gas injection means, said condenser output conduit means being connected to said condenser means and to said methanol formation reactor means,said gas product conduit being connected to said c
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: February 7, 1984
    Assignee: Conoco Inc.
    Inventor: Eric H. Reichl
  • Patent number: 4429471
    Abstract: Fluidized bed apparatus comprising a fluidized chamber having a grid plate below said chamber, a feed gas channel below said grid plate, and a fluidized bed gas distributor, said fluidized bed gas distributor comprisinga nipple,a cap,and a bushing,wherein said cap is provided with at least one gas distribution passage, and said nipple includes a central nipple passage and said bushing includes a central bushing passage,said cap being attached to a first end of said nipple said bushing being attached to a second end of said nipple.
    Type: Grant
    Filed: December 10, 1981
    Date of Patent: February 7, 1984
    Assignee: Conoco Inc.
    Inventors: Stephen L. Goodstine, Glen D. Jukkola
  • Patent number: 4425876
    Abstract: A method of fuel treatment and distribution for an internal combustion engine including the steps as follows:(a) operating an adiabatic reactor without a substantial amount of exhaust heat within an operational temperature range, the catalyst bed reactor including a partial combustion catalyst and a dissociation catalyst;(b) providing a substantial amount of engine exhaust heat to an endothermic reactor having an endothermic dissociation catalyst therein,(c) vaporizing liquid alcohol to form alcohol vapor;(d) mixing the alcohol vapor with air to form a partial combustion mixture;(e) contacting the partial combustion mixture and the partial combustion catalyst whereby a dissociation mixture is formed and heat is evolved;(f) contacting the dissociation mixture and the dissociation catalyst to form a hydrogen rich fuel;(g) contacting the hydrogen-rich fuel and the endothermic dissociation catalyst to form a fuel product whereby at least a portion of any residual undissociated alcohol in the hydrogen-rich fuel is
    Type: Grant
    Filed: September 3, 1982
    Date of Patent: January 17, 1984
    Assignee: Conoco Inc.
    Inventors: Gerald D. Rutledge, Heeyoung Yoon
  • Patent number: 4424111
    Abstract: A method of hydrocracking using a zinc catalyst in the hydrogenation step comprising providing a hydrocarbonaceous feed of coal or tar to a hydrogenation means,removing spent zinc and catalyst from said hydrogenation means to a regeneration means,heating said spent zinc catalyst in said regeneration means,providing hydrogen chloride to said regeneration means,said spent zinc catalyst comprising ZnS, whereby ZnCl.sub.2 gas is formed,contacting at least a portion of said ZnCl.sub.2 with steam to form ZnO,conveying said ZnO and ZnCL.sub.2 to said hydrogenation means.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: January 3, 1984
    Assignee: Conoco Inc.
    Inventors: Clyde W. Zielke, William A. Rosenhoover
  • Patent number: 4422342
    Abstract: A method is provided for flow straightening and sampling gas in the stack of a gas scrubber. In normal operation the gas has a substantially nonaxial flow so as to retain within the stack droplets carried by the gas. A flow straightener having flow straightening panels is assembled in the chamber of the gas scrubber and lifted into the stack. Gas having an axial flow is then sampled. The flow straightener is then removed from the scrubber, and normal operation is resumed.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: December 27, 1983
    Assignee: Conoco Inc.
    Inventors: Donald L. Smith, Zenon V. Kosowski, Robert R. Marks, Jr.
  • Patent number: 4418653
    Abstract: Internal combustion engine fuel treatment including in sequence the steps as follows:providing a dual catalyst reactor having a dehydration catalyst and dissociation catalystproviding alcohol,vaporing the alcohol to form alcohol vapor,dehydrating a portion of the feed alcohol vapor over the dehydration catalyst to form a first gaseous mixture including ethers, residual alcohol vapor and water,dissociating the residual alcohol vapor over the dissociation catalyst, to form a second gaseous mixture including H.sub.2 and CO,conveying the second gaseous mixture to the internal combustion engine,whereby the engine is operated on the second gaseous mixture.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: December 6, 1983
    Assignee: Conoco Inc.
    Inventor: Heeyoung Yoon
  • Patent number: 4418044
    Abstract: A method of scrubbing a gaseous mixture comprising NO and SO.sub.2 said method comprising providing a scrubbing solution, said scrubbing solution comprising a solvent and a solute wherein said solute comprises Fe.sup.++ and S.sub.2 O.sub.3.sup.-,scrubbing said gas containing nitric oxide with said scrubbing solution.
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: November 29, 1983
    Assignee: Conoco Inc.
    Inventor: Metro D. Kulik
  • Patent number: 4416424
    Abstract: An improved method and apparatus for deashing an effluent slurry from a coal liquefaction process is provided. A mixture of relatively coarse coal-derived solids and a precipitating solvent is stirred with the effluent slurry to form hard, discrete agglomerate pellets of improved settling rates.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 22, 1983
    Assignee: Conoco Inc.
    Inventor: Francis P. Burke