Patents Represented by Attorney Donald L. Rose

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  • Regeneration of filter clay with liquid methanol
    Patent number: 4469805
    Abstract: Spent filter clay used in the removal of contaminating organic polar-type compounds from petroleum distillates is regenerated by flushing the spent filter clay with liquid methanol and recovering and recycling the contaminated wash methanol without distillation through the filter for additional flushing of the contaminants from the clay.
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: September 4, 1984
    Assignee: Gulf Research & Development Company
    Inventors: William A. Kofke, Jr., Ilia Milson
  • Quaternary phosphonium thiostannates
    Patent number: 4462935
    Abstract: Novel quaternary phosphonium tetrathiostannates and quaternary phosphonium hexathiodistannates are prepared by the reaction of a quaternary phosphonium salt with a tetrathiostannate or a hexathiodistannate salt.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: July 31, 1984
    Assignee: Gulf Research & Development Company
    Inventors: Judith B. Onopchenko, Gary M. Singerman, Raynor T. Sebulsky
  • Method of recovering and recycling boron trifluoride catalyst
    Patent number: 4454366
    Abstract: Spent boron trifluoride catalyst is removed from organic liquids by contacting the liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer product by passing the liquid oligomer through a bed of granular polyvinyl alcohol. The boron trifluoride is recovered from the polyvinyl alcohol and is recycled for use as a catalyst.
    Type: Grant
    Filed: December 15, 1982
    Date of Patent: June 12, 1984
    Assignee: Gulf Research & Development Company
    Inventors: Roger F. Vogel, Ajay M. Madgavkar, Harold E. Swift
  • Olefin oligomerization using boron trifluoride and a three-component cocatalyst
    Patent number: 4436947
    Abstract: Olefin oligomers suitable as lubricants are prepared with a catalyst comprising boron trifluoride and a mixture of an alcohol, a polyol and a ketone. 1-Decene is oligomerized to a liquid product having a high trimer to tetramer ratio using boron trifluoride and a mixture of n-butanol, ethylene glycol and methylethyl ketone.
    Type: Grant
    Filed: September 11, 1981
    Date of Patent: March 13, 1984
    Assignee: Gulf Research & Development Company
    Inventors: Neal E. Morganson, Adam V. Vayda
  • Removing boron trifluoride from coordination compound contaminants in organic liquids
    Patent number: 4433197
    Abstract: Boron trifluoride is removed from coordination compounds contaminating organic liquids by contacting the contaminated liquid with silica. For example, boron trifluoride is removed from a boron trifluoride-n-butanol coordination compound contaminating a 1-olefin oligomer product by passing the contaminated liquid oligomer through a bed of silica.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: February 21, 1984
    Assignee: Gulf Research & Development Company
    Inventors: Roger F. Vogel, Ajay M. Madgavkar, Harold E. Swift
  • Method of precipitating uranium peroxide
    Patent number: 4428911
    Abstract: Uranium peroxide is precipitated from an acidified carbonate strip solution by the addition of hydrogen peroxide and a sufficient quantity of the alkaline carbonate strip solution to maintain the pH at an acid level which is suitable for the precipitation of uranium peroxide.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: January 31, 1984
    Assignee: Gulf Research & Development Company
    Inventor: Thomas J. Hardwick
  • Method of oligomerizing 1-olefins and regenerating a heterogeneous catalyst
    Patent number: 4429177
    Abstract: An alpha-olefin is oligomerized in the presence of a three-component catalyst comprising a particulate solid adsorbent, boron trifluoride and elemental oxygen. The process also activates the catalyst. For example, 1-decene is oligomerized to a product predominating in the trimer and tetramer using boron trifluoride, elemental oxygen and silica as the solid adsorbent.
    Type: Grant
    Filed: August 4, 1982
    Date of Patent: January 31, 1984
    Assignee: Gulf Research & Development Company
    Inventors: Neal E. Morganson, Paul G. Bercik
  • Fluid bed catalyst for synthesis gas conversion and utilization thereof for preparation of diesel fuel
    Patent number: 4413064
    Abstract: A catalyst useful in the conversion of synthesis gas to diesel fuel in a fluidized bed is prepared by contacting finely divided alumina with an aqueous impregnation solution of a cobalt salt, drying the impregnated support and thereafter contacting the support with a nonaqueous, organic impregnation solution of salts of ruthenium and a Group IIIB or IVB metal.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: November 1, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Harold Beuther, Charles L. Kibby, T. P. Kobylinski, Richard B. Pannell
  • Saccharification method
    Patent number: 4409329
    Abstract: Enzymic conversion of cellulose under mechanical shear rate of from 50,000 to 200,000 feet/minute/foot as imparted to the cellulose by a series of rotors and stators mounted in the reaction vessel improves yield of simple sugars.
    Type: Grant
    Filed: July 15, 1982
    Date of Patent: October 11, 1983
    Assignee: Gulf Research & Development Company
    Inventor: Richard S. Silver
  • Olefin oligomerization using boron trifluoride and an alcohol-polyol cocatalyst
    Patent number: 4409415
    Abstract: Olefin oligomers suitable as lubricants are prepared with a catalyst comprising boron trifluoride and a mixture of an alcohol, and a polyol. 1-Decene is oligomerized to a liquid product having an improved trimer to tetramer ratio using boron trifluoride and a mixture of n-butanol, and ethylene glycol.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: October 11, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Neal E. Morganson, Adam V. Vayda
  • Grease compositions containing quaternary phosphonium thiostannates
    Patent number: 4406801
    Abstract: A grease composition having improved antifriction properties and improved extreme pressure properties comprising a thickened hydrocarbon lubricating oil, calcium carbonate and a novel quaternary phosphonium thiostannate, for example, hexadecyltri-n-butylphosphonium tetrathiostannate.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: September 27, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Judith B. Onopchenko, Gary M. Singerman, Raynor T. Sebulsky
  • Lubricating oils containing quaternary ammonium thiomolybdates
    Patent number: 4400282
    Abstract: Hydrocarbon lubricating oils with a tetrahydrocarbylammonium thiomolybdate having at least about 19 carbon atoms, such as dicocodimethylammonium thiomolybdate, solubilized in the oil are characterized by improved anti-friction properties.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: August 23, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Gary M. Singerman, Yumi P. Ryu, James R. Anglin
  • Process for preparing gasoline range hydrocarbons from synthesis gas and catalyst used therefor
    Patent number: 4399234
    Abstract: Synthesis gas is converted to a gasoline boiling range product high in branched chain paraffins and olefins utilizing a catalyst consisting essentially of (A) silicalite and (B) cobalt, preferably promoted with a Group IIIB or IVB metal oxide on an alumina support of gamma-alumina, eta-alumina or mixtures thereof.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: August 16, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Harold Beuther, Charles L. Kibby, Thaddeus P. Kobylinski, Richard B. Pannell
  • Boron trifluoride-water-silica catalyst
    Patent number: 4394296
    Abstract: A three-component catalyst is prepared comprising a particulate silica adsorbent with boron trifluoride and water adsorbed on the silica. The silica-water-boron trifluoride catalyst is used in hydrocarbon conversion reactions such as the oligomerization of 1-decene to a product predominating in the trimer and tetramer.
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: July 19, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Ajay M. Madgavkar, Harold E. Swift
  • Wax-impregnated fire kindling sticks
    Patent number: 4386937
    Abstract: Porous cellulosic fiberboard containing a significant amount of an expanded vitreous particulate material such as expanded perlite and impregnated with a hydrocarbon wax has improved burn time when used in the ignition of wood and coal fires.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: June 7, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Elizabeth L. Fareri, Philip R. Templin
  • Removing boron trifluoride contaminant from organic liquids with polyvinyl alcohol
    Patent number: 4384162
    Abstract: Boron trifluoride contaminant is removed from organic liquids by contacting the contaminated liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer product by passing the liquid oligomer through a bed of granular polyvinyl alcohol.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: May 17, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Roger F. Vogel, Ajay M. Madgavkar, Harold E. Swift
  • Lubricating oils containing molybdenyl chelates
    Patent number: 4383931
    Abstract: The antifriction properties of a lubricating oil are enhanced by the addition of a minor amount of an oil-soluble molybdenyl bis-.beta.-diketonate. The antifriction properties are particularly enhanced when the molybdenyl bis-.beta.-diketonate is used in combination with an oil-soluble active sulfur donor, such as a zinc dialkyldithiophosphate.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: May 17, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Yumi P. Ryu, Robert J. Hartle
  • Selective combusting of hydrogen sulfide in carbon dioxide injection gas
    Patent number: 4382912
    Abstract: Hydrogen sulfide is selectively oxidized in a gas stream containing at least 20 mol percent a carbon dioxide using an iron catalyst, preferably Fe.sub.2 O.sub.3 supported on a ceramic honeycomb support.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: May 10, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Ajay M. Madgavkar, Harold E. Swift
  • Substoichiometric combustion of low heating value gases
    Patent number: 4381641
    Abstract: The combustible component of a gas stream of low heating value is combusted using less than a stoichiometric amount of oxygen under conditions for the suppression of carbon monoxide including the presence of an oxidation catalyst and a small amount of arsine, and the heat energy in the combusted gas is utilized, for example, by expansion in a gas turbine.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: May 3, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Ajay M. Madgavkar, Harold E. Swift
  • Substoichiometric combustion of low heating value gases using different platinum catalysts
    Patent number: 4378048
    Abstract: Low heating value gases are combusted substoichiometrically in two combustion zones in series in contact with two different supported platinum catalysts in which the concentration of platinum in the catalyst in the first zone is higher than the concentration of platinum in the second catalyst. The combusted gas of reduced carbon monoxide can be directly vented to the atmosphere after energy has been extruded from it for a useful purpose.
    Type: Grant
    Filed: May 8, 1981
    Date of Patent: March 29, 1983
    Assignee: Gulf Research & Development Company
    Inventors: Ajay M. Madgavkar, Harold E. Swift