Patents Represented by Attorney, Agent or Law Firm Timothy J. Hadlock
  • Patent number: 5431703
    Abstract: The invention is a process for quenching a first synthesis gas mixture containing synthesis gas, molten flyash, water, and carbon dioxide and producing additional synthesis gas consisting of (a) passing the first synthesis gas mixture into a first quench zone; (b) introducing into the quench zone a mixture of pulverized coal in a nitrogen or carbon dioxide carrier gas; (c) endothermically reacting the pulverized coal with the water and the carbon dioxide in the synthesis gas mixture thus producing additional synthesis gas consisting of hydrogen and carbon dioxide and wherein the additional synthesis gas is admixed with the first synthesis gas mixture to form a second synthesis gas mixture; (d) passing the second synthesis gas mixture to a second quench zone; (e) introducing into the second quench zone a cooling gas for admixture with the second synthesis gas mixture, thus cooling the second synthesis gas mixture, where the molten flyash is solidified, and thus forms a third synthesis gas mixture; and (f) pass
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: July 11, 1995
    Assignee: Shell Oil Company
    Inventors: Lloyd A. Clomburg, Jr., Eswarachandra K. Paruchuri, Phillip E. Unger
  • Patent number: 5427703
    Abstract: Process for the preparation of a polar lubricating base oil, including reacting a hydrocarbonaceous product with a polar compound, including at least one heteroatom and which hydrocarbonaceous product has been prepared by contacting hydrocarbons and/or derivatives thereof with an active-hydrogen containing system by a process which includes generating a hydrogen-containing plasma and allowing contact of the hydrocarbons and/or derivatives thereof in liquid form with the plasma-generated system and recovering the hydrocarbonaceous product.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: June 27, 1995
    Assignee: Shell Oil Company
    Inventors: Pierre Grandvallet, Daniel G. P. Allais, Roland A. C. Garin
  • Patent number: 5386357
    Abstract: The invention relates to a light box including (a) a plurality of elongated L-shaped top sections abutted length-wise end-to-end, each of the top sections having a top flange substantially horizontally oriented and an integral back flange substantially vertically oriented; and (b) a plurality of bottom sections where the bottom sections are attached to the top sections; and (c) a single elongated translucent lens slidably secured between the outer edges of the top and bottom sections.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: January 31, 1995
    Assignee: Shell Oil Company
    Inventors: John F. Tryon, Jennings M. Ledbetter
  • Patent number: 5378351
    Abstract: A process for the preparation of a lubricating base oil including contacting a hydrocarbon feed with a catalyst in the presence of hydrogen, which catalyst includes a hydrogenation component supported on an amorphous silica-alumina carrier having a macroporosity in the range of from 5% vol to 50% vol. The hydrocarbon feed is most preferably a slack wax or a synthetic wax. The preferred catalyst for use in the process includes a combination of one or more of the metals cobalt, iron, and nickel, and one or more of the metals chromium, molybdenum, and tungsten on an amorphous silica-alumina carrier having a macroporosity in the range of from 5% vol to 50% vol.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: January 3, 1995
    Assignee: Shell Oil Company
    Inventors: Philippe Guichard, Pierre Grandvallet, Guy Barre, Arend Hoek, Andries Q. M. Boon
  • Patent number: 5354343
    Abstract: The invention includes a compound of formula I ##STR1## where R' is hydrogen, an alkyl, or aryl group; R"O is derived from R"OH which is a polyether mono-ol or hydrocarbyl mono-ol; and R'" independently is a hydrogen, an alkyl group or a substituted alkyl group. The invention also includes an unleaded fuel composition containing a compound of formula I and a process for making the compound of formula I.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: October 11, 1994
    Assignee: Shell Oil Company
    Inventor: Thomas H. Johnson
  • Patent number: 5351482
    Abstract: The invention includes a method of reducing hydrocarbon emissions from electronic port fuel injected engines by feeding to the catalytic converter an amount effective to reduce hydrocarbon emissions from the engines of chlorine or a chlorine compound.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: October 4, 1994
    Assignee: Shell Oil Company
    Inventor: John E. Gwyn
  • Patent number: 5334308
    Abstract: The present invention is a process for reducing the smoke emissions from a jet fuel engine by combusting a jet fuel range hydrocarbon in a jet engine wherein prior to combusting the jet fuel in the engine the jet fuel is treated by the following process: (a) contacting the jet fuel with at least one adsorbent in at least one adsorbent bed under suitable process conditions such that the smoke point of the jet fuel is increased and (b) recovering the jet fuel.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: August 2, 1994
    Assignee: Shell Oil Company
    Inventors: Leonard B. Graiff, Danny Y. Ngan, Benton E. Visser, Greg E. Webster
  • Patent number: 5309335
    Abstract: The invention includes a lens assembly for use in a lighting system including (a) an elongated translucent lens; (b) tracks for slidably receiving the lens; (c) means for securing the lens at one point thereby allowing thermal expansion and contraction of the elongated translucent lens along the tracks; and (d) means for receiving ends of the elongated translucent lens during expansion and contraction. The invention also includes a light box corner section attached to the corner of a raised canopy or roof including (a) a top assembly in an L-shaped configuration attached to the ceiling of the raised canopy; (b) a bottom panel having an L-shaped configuration attached to the top assembly; and (c) a corner section elongated translucent lens secured between at least a portion of the outer edges of said top assembly and bottom panel.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: May 3, 1994
    Assignee: Shell Oil Company
    Inventor: John F. Tryon
  • Patent number: 5300218
    Abstract: This invention is a method for reducing the particulate emissions tendency of diesel fuel. Also the piston ring sticking, and deposit formation tendency of diesel fuel on the injector and combustion chamber of an internal combustion diesel fuel are reduced. The diesel fuel under the method of this invention is fed to at least one adsorbent bed in which the diesel fuel is contacted with one or more adsorbents under suitable process conditions such that there is a reduction in content of impurities in the fuel which cause the particulate emission causing tendency, piston ring sticking, and deposit formation tendency of the diesel fuel on the injector and/or combustion chamber.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: April 5, 1994
    Assignee: Shell Oil Company
    Inventors: Leonard B. Graiff, Peter B. Van Benthuysen, Danny Y. Ngan, Zaida Diaz, David M. Austgen, Jr.
  • Patent number: 5244645
    Abstract: This invention is a process for removing NH.sub.3 from a NH.sub.3 -containing liquid stream. The process contains the following steps: (a) passing a NH.sub.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: September 14, 1993
    Assignee: Shell Oil Company
    Inventor: Humbert H. Chu
  • Patent number: 5234477
    Abstract: The present invention is an unleaded fuel composition containing a major amount of a hydrocarbon base fuel of the gasoline boiling range containing an amount effective to reduce NO.sub.x emissions from electronic port fuel injected engines of ammonia or an ammonium compound. The invention also includes a method of reducing NO.sub.x emissions from electronic port fuel injected engines by feeding to the engine exhaust gases at a point between the outlet valves and catalytic converter an amount effective to reduce NO.sub.x emissions from the engines of ammonia or an ammonium compound.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: August 10, 1993
    Assignee: Shell Oil Company
    Inventor: John E. Gwyn
  • Patent number: 5201650
    Abstract: The invention is a process for combusting a gaseous fuel in a burner to result in low NO.sub.x emissions by first feeding a gaseous fuel stream and an air stream to a premixer where the fuel and air streams are mixed to form a fuel-air mixture. The fuel and air streams are fed to the premixer at a fuel to air equivalence ratio of less than 1 (i.e., fuel-lean). Second, the fuel-air mixture is passed to a combustion chamber where the fuel is substantially combusted to produce a combustion chamber jet and flue gases. The combustion chamber jet and flue gases pass into a heating zone which may include a furnace, heater, or boiler. Third, at least two high-velocity fuel streams, optionally diluted with a nonreactive thermal ballast, are passed to the heating zone contemporaneously with the second step. The high-velocity fuel streams entrain at least a portion of the flue gases. The fuel in the high-velocity fuel streams is partially combusted prior to coming into contact with the combustion chamber jet.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: April 13, 1993
    Assignee: Shell Oil Company
    Inventor: Gregory L. Johnson