Patents Examined by Margaret B. Medley
  • Stable aqueous suspension of partial oxidation ash, slag and char containing polyethoxylated quaternary ammonium salt surfactant
    Patent number: 4861346
    Abstract: A pumpable stable aqueous suspension of ash, slag, and char particulate matter produced by the partial oxidation of a carbonaceous charge fuel comprises 1.0-50.0 wt. % particulate matter selected from the group consisting of ash, slag, and char and mixtures thereof, water, and about 0.1-10.0 wt % of an alkyl substituted amino based surfactant selected from the group consisting of alkyl-substituted aminobutyric acid, alkyl-substituted polyethoxylated amide and alkyl-substituted polyethoxylated quarternary ammonium salt.
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: August 29, 1989
    Assignee: Texaco Inc.
    Inventors: Mitri S. Najjar, Farokh Yaghmaie, Louis S. Sorell
  • Stable brown-coal/oil suspensions and a process for preparing same
    Patent number: 4859209
    Abstract: The invention relates to stable brown-coal/oil suspensions and a process for preparing same. The suspension contains 20 to 60% by mass of coal powder and 40 to 80% by mass of fuel oil of 25 to 70% by mass of an agglomerate and 30 to 75% by mass of fuel oil.The invention renders possible to utilize brown-coal powders of low value for heating purposes.
    Type: Grant
    Filed: January 22, 1987
    Date of Patent: August 22, 1989
    Assignee: MTA Kozponti Kemiai Kutato Intezet
    Inventors: Katalin Szabo nee Mogyorossi, Istvan Kalocsai, Istyan Gyoni, Karoly Remenyi, Gyorgy Plaveczky, Laszlo Kovacs, Dezso Gal, Istvan Nemes, Laszlo Botar, Akos Bencsura, Galina Moger nee Jeremejeva, Karoly Heberger, Andras Nemeth
  • Motor fuel or lubricant composition containing polybutyl or polyisobutyl derivatives
    Patent number: 4859210
    Abstract: Fuel motor compositions and lubricant compositions contain small amounts of one or more polybutyl or polyisobutyl alcohols of the formula (I)R--CH.sub.2 --OH (I)where R is a polybutyl or polyisobutyl radical derived from isobutene and up to 20% by weight of n-butene, or a corresponding (poly)alkoxylate or a corresponding carboxylate of the polybutyl or polyisobutyl alcohol.These additives reduce deposition at the valves of piston engines.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: August 22, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Franz, Rudolf Kummer, Helmut Mach, Hans P. Rath
  • Aromatization and etherification process integration
    Patent number: 4854939
    Abstract: An integrated process for the production of aromatics rich an MTBE and TAME rich high octane gasoline fractions is described. Etherifications of iso-olefins is conducted in the presence of excess methanol. Unreacted methanol is passed to a fixed, fluid or moving bed aromatization zone in contact with ZSM-5 catalyst and olefin and paraffin feedstream to produce high octane gasoline.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: August 8, 1989
    Assignee: Mobil Oil Corporation
    Inventors: Mohsen N. Harandi, Hartley Owen
  • Combustion aids
    Patent number: 4852992
    Abstract: The novel combustion aids are fuel additives containing, as their major components, water and the reaction product of a hydrocarbon oil and a strong alkali. The combustion aids are effective for reducing fuel costs and cleaning the exhaust gas of internal combustion engines.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: August 1, 1989
    Inventor: Atsushi Nasu
  • ORI-inhibited and deposit-resistant motor fuel composition
    Patent number: 4852993
    Abstract: ORI-inhibited and deposit-resistant motor fuel composition comprises a mixture of hydrocarbons boiling in the range of 90.degree. F.-450.degree. F. and (I) the reaction product of a dibasic acid anhydride, a polyoxyalkylene diamine, and a hydrocarbyl polyamine; and (II) a mixture comprising polyisobutylene ethylene diamine and polyisobutylene in a hydrocarbon solvent. Motor fuel compositions of the instant invention show improved ORI control and valve deposit control in comparison with typical commercial fuel compositions.
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: August 1, 1989
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, Thomas Hayden, Michael A. Caggiano, Milton D. Behrens
  • Antigel fuel composition
    Patent number: 4846847
    Abstract: An antigel composition for hydrocarbon fuels for combustion in motors, engines, turbines, and furnaces comprises:(a) a polar oxygenated long chain hydrocarbon having a defined acid number, a defined saponification number, and a defined molecular weight;(b) a low molecular weight addition polymer or copolymer, preferably of ethylene and vinyl acetate;(c) optionally, a hydrophilic conditioner, selected from the group consisting of glycols, glycol diether, and half ethers preferably a methyl half ether of a glycol; and(d) optionally, a compatibilizing agent, preferably having a solubility parameter from about 8.8 to about 11.5, more preferably an alcohol having from 4 to 13 carbon atoms.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: July 11, 1989
    Assignee: Polar Molecular Corp.
    Inventors: Otis L. Nelson, Jr., Mark L. Nelson
  • Energy releasing catalyst and use thereof
    Patent number: 4844716
    Abstract: A catalyst/substrate delivery system providing a more efficient combustion of hydrocarbon fuels while reducing environmental pollutants emitting therefrom. A light hydrocarbon is misted into a cold environment to form frozen pellets which are then coated with plasma of an atomized catalyst such as platinum, palladium, lithium, zirconium organometals to form microspheres of from about 1 but less than 2000 microns in size.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: July 4, 1989
    Assignee: Fuel Conservation Corporation
    Inventors: Stuart O. Goldman, Robert B. Pearson
  • Fuels containing small amounts of alkoxylates and polycarboximides
    Patent number: 4844714
    Abstract: Fuels for gasoline engines and diesel engines contain small amounts(A) of an alkoxylate which is obtained by reacting ethylene oxide, propylene oxide or butylene oxide with a mono- or polyhydroxy compound and has a number average molecular weight (molecular mass) of from 500 to 6,000 and(B) of an imide or amidoimide, or a mixture of these, obtained from nitrilotriacetic acid and/or ethylenediaminetetraacetic acid and an amine of 7 to 18 carbon atoms, or a mixture of such amines, of the formula I ##STR1## where the radicals X are identical or different --HN--R radicals or adjacent radicals X are the radical >N--R and form a ring ##STR2## m is 0 or 1 and R is a straight-chain or branched aliphatic radical of 7 to 18 carbon atoms.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Henning Vogel, Hans P. Rath, Knut Oppenlaender, Charalampos Gousetis
  • Combustion control by addition of magnesium compounds of particular particle sizes
    Patent number: 4842617
    Abstract: By adding a specific blend of coarse and fine particles of a magnesium compound to a relatively low temperature zone of a furnace system noxious and undesirable emissions are greatly reduced and internal boiler conditions are greatly improved.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: June 27, 1989
    Inventor: Ira Kukin
  • Silicone grease composition
    Patent number: 4842753
    Abstract: A silicone grease composition composed of an organopolysiloxane fluid and a thickneing agent is admixed with from 0.5 to 20% by weight of a copper dialkyl dithiocarbamate or, in particular copper diethyl dithiocarbamate as a lubrication improving agent so that the grease composition is imparted with greatly improved boundary lubrication under extreme-pressure conditions between steel and steel as well as improved thermal stability.
    Type: Grant
    Filed: May 4, 1988
    Date of Patent: June 27, 1989
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shigeru Mori, Toshikazu Sugita
  • Adhesive grease composition comprising a random copolymer of ethylene and an alpha-olefin
    Patent number: 4840739
    Abstract: An adhesive grease composition comprises a random copolymer of ethylene and an alpha-olefin having the following formula ##STR1## wherein R represents a lower alkyl group, x and y are, respectively, an integer provided that x/y=0.5 to 2.0 and x+y=50 to 150, and a thickening agent in defined amounts.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: June 20, 1989
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shigeru Mori, Takayuki Takahashi
  • Specified C.sub.14 -carboxylate/vinyl ester polymer-containing compositions for lubricating oil flow improvement
    Patent number: 4839074
    Abstract: Compositions are disclosed for improving at least the low temperature flow properties of lubricating oils. The compositions are dual additives including a first component which is a polymer or interpolymer of a C.sub.14 carboxylate, such as a C.sub.14 -dialkyl fumarate/vinyl acetate interpolymer, and a second component which is a lubricating oil flow improver comprising a non-ethylene containing polymer or interpolymer such as dialkyl fumarate/vinyl acetate interpolymer, esterified styrene/maleic anhydride interpolymer, or esterified olefin/maleic anhydride interpolymer.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: June 13, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Albert Rossi, Robert Tack, Kenneth Lewtas, Jose Alves
  • PTFE oil additive
    Patent number: 4834894
    Abstract: A liquid lubricant or spray-on coating consisting essentially of polytetrafluoroethylene particles which are sintered and ground and then physically dispersed in a tricresyl phosphate carrier medium. The particles are pre-wet with aliphatic naphtha and are coated with 10 W. to 70 W. oil having a lower miscibility in tricresyl phosphate and a lower specific gravity than tricresyl phosphate. The diameter of particles is in the range of about 0.5 microns to about 20 microns. The stability of the dispersion is achieved by lowering the specific gravity of the polytetrafluoroethylene particles by coating the particles with 10 W. to 70 W. oil.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: May 30, 1989
    Assignee: Tribophysics Corporation
    Inventor: John L. Scheld
  • Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion
    Patent number: 4834775
    Abstract: A process for controlling sulfur-oxide formation and emissions when burning a combustible fuel prepared from a hydrocarbon containing sulfur comprising forming a hydrocarbon in water emulsion and adding to the hydrocarbon in water emulsion a water soluble additive selected from the group consisting of Na.sup.+, K.sup.+, Li.sup.+, Ca.sup.++, Ba.sup.++, Mg.sup.++, Fe.sup.+++ and mixtures thereof so as to obtain SO.sub.2 emission levels upon combustion of said emulsion of less than or equal to 1.50 LB/MMBTU.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: May 30, 1989
    Assignee: Intevep, S.A.
    Inventors: Domingo P. Rodriguez, Euler G. Jimenez, Ignacio Layrisse, Jose P. Salazar, Hercilio Rivas
  • Lubricant compositions for metalworking
    Patent number: 4834891
    Abstract: The present invention provides a lubricant composition for metalworking at a temperature higher than 200.degree. C. which comprises as its active components (i) at least one alkali metal salts of phthalic acid and (ii) a glass composition comprising 20 to 70% by weight of P.sub.2 O.sub.5, 8 to 72% by weight of M.sub.2 O wherein M is an alkali metal and 0 to 80% by weight of B.sub.2 O.sub.3, the ratio of component (i) to component (ii) being about 10:90 to about 90:10 in a total amount of 100 parts by weight.
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: May 30, 1989
    Assignees: Director-General of Agency of Industrial Science & Technology, Taihei Chemical Industrial Co., Ltd., Hanano Commercial Co., Ltd., Kabushiki Kaisha Gosei Kagaku Kenkyusho
    Inventors: Kiyohisa Eguchi, Norio Kitamura, Terumasa Okamura, Jouji Ohta
  • Additives for lubricating oils, their process of preparation and lubricating compositions containing them
    Patent number: 4834892
    Abstract: The present invention relates to additives for lubricating oils having an antirust and antiwear effect, their process of preparation and the lubricating compositions containing the said additives, these additives consisting in a microdispersion in the oil of the metallic salts of amino-acids, wherein the dicarboxylic amino-acids and their derivatives are advantageously used and wherein the salts are generally formed with metals from Groups I and II of the Periodic Classification of Elements.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: May 30, 1989
    Assignee: Elf France
    Inventors: Bernard Damin, Daniele Eber, Pierre Hoornaert, Claude Rey
  • Process for the regeneration of an additive used to control emissions during the combustion of high sulfur fuel
    Patent number: 4832701
    Abstract: A regenerating process comprises leaching a combustion ash with water so as to dissolve same and form a pregnant leach liquor containing the additive which is separated from the solid residue. The pregnant leach liquor is thereafter adjusted with a base precipitating agent so as to precipitate a compound of the additive which is then recovered by liquid solid separation. The process of the present invention is particularly useful for regenerating said recycling sulfur capturing additives used in hydrocarbon formulations which are burned as fuels, particularly, hydrocarbon in water emulsions formed from viscous hydrocarbon materials characterized by high sulfur and metals contents.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: May 23, 1989
    Assignee: Intevep, S.A.
    Inventors: Domingo R. Polanco, Cebers O. Bueno, Ramon Salazar, Felix A. S. Chamorra
  • Water dispersible petroleum jelly compositions
    Patent number: 4832858
    Abstract: A stable, water dispersible petroleum jelly formulation, which is an oil-in-water emulsion, is described which comprises water, petroleum jelly, optional humectant, and emulsifier. The composition is formed by ultrasonically emulsifying the various components which will ultimately form the emulsion.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: May 23, 1989
    Assignee: Chesebrough-Pond's Inc.
    Inventors: Mohan Vishnupad, Jose E. Ramirez, Robert A. Bornfriend
  • Production of liquid hydrocarbon and ether mixtures
    Patent number: 4830635
    Abstract: An etherification process for reacting a hydrocarbon mixture containing C.sub.4 -C.sub.7 iso-olefins with excess methanol to produce tertiary alkyl methyl ethers. The improved technique comprises operations for separating etherification reaction effluent to recover a liquid fraction rich in gasoline range unreacted hydrocarbons in mixture with liquid ether product, recovering from the reaction effluent a vapor fraction rich in unreacted light olefin including C.sub.4 -C.sub.5 olefins and unreacted methanol, and converting or interconverting a major portion of the light olefin to C.sub.4 + olefins and/or oligomerization products while substantially completely converting the unreacted methanol to an acid zeolite catalysis conversion product comprising olefins and normally liquid hydrocarbon product. A portion of the conversion product is recycled to the etherification process.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: May 16, 1989
    Assignee: Mobil Oil Corporation
    Inventors: Mohsen N. Harandi, Hartley Owen