Patents Represented by Attorney Van D. Harrison, Jr.

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  • Additives for improving low temperature characteristics of fuels and method for use thereof
    Patent number: 4621141
    Abstract: A telomeric acid, a tertiary amine, and an epoxide are reacted in the absence of added water. The product recovered is effective in improving the filterability and reducing the pour point of diesel fuel. Alternatively the product can be prepared by reacting a quaternary ammonium hydroxide and a telomeric acid.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: November 4, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Sheldon Chibnik
  • Ore beneficiation process
    Patent number: 4615869
    Abstract: Phosphatic clay dispersions are modified by dispersing the phosphate matrix containing the clay in a dilute solution of selected acids prior to screening, sizing and other beneficiation operations.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: October 7, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Ross A. Kremer, Stephen W. Saunders
  • N-alkoxyalkylenediamine [organic acid reaction products] diamides and lubricants containing same
    Patent number: 4613343
    Abstract: Reaction products of N-alkylalkylenediamine with organic acids are disclosed.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: September 23, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Deagglomeration of porous siliceous crystalline materials
    Patent number: 4606901
    Abstract: Agglomerated crystalline zeolites are deagglomerated by treating the zeolite during its formation or shortly thereafter. The particles are contacted with additional basic solution when crystallization is near completion to effect deagglomeration.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: August 19, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Pochen Chu, Albin Huss, Jr., James C. Vartuli
  • Grease composition containing boronated alcohols, and hydroxy-containing thickeners
    Patent number: 4600517
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the composition is a borated hydrocarbyl alcohol, and it may optionally contain phosphorus and sulfur moieties.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: July 15, 1986
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Method of preparing organic ammonium dialkyl phosphorodithioates
    Patent number: 4600543
    Abstract: A process for making an organicammonium dialkyl phosphorodithioate has been discovered which involves a critical order of reactant addition. Thus it is essential to the process that the amine be added to a mixture of phosphonate and elemental sulfur.
    Type: Grant
    Filed: August 21, 1984
    Date of Patent: July 15, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Robert F. Bridger
  • Zwitterionic quaternary ammonium carboxylates, their metal salts and lubricants containing same
    Patent number: 4587025
    Abstract: Hydrocarbyl ammonium hydrocarbyl carboxylate internal salts and their metal-containing derivatives are made by reacting certain amines with certain organic acids to obtain the former and reacting that product with a metal oxide or salt to obtain the latter. These are used in lubricants and liquid fuel compositions for a variety of purposes, including reduced friction.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: May 6, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski
  • Multifunctional lubricant additives and compositions thereof
    Patent number: 4584114
    Abstract: Mercaptothiadiazole adducts of unsaturated esters such as jojoba oil or pentaerythritol tetraoleate are highly effective multifunctional friction reducing and copper strip passivating additives for various lubricants.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: April 22, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Andrew G. Horodysky, Phillip S. Landis
  • Method of making a copper O,O-dihydrocarbyl phosphorodithioate
    Patent number: 4582920
    Abstract: A copper (1) dihydrocarbyl phosphordithioate is made by a method comprising reacting a bis(dihydrocarbyl phosphorothionyl) disulfide with activated copper metal.
    Type: Grant
    Filed: August 21, 1984
    Date of Patent: April 15, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Robert F. Bridger
  • Process for hydroprocessing heavy oils utilizing sepiolite-based catalysts
    Patent number: 4582595
    Abstract: Disclosed is a catalyst and process for making same wherein sepiolite is ion exchanged with a Group Ib, IIb, IIb, IVb, Vb, or VIIa metal, impregnated with a VIa metal and exchanged with a magnesium salt with intervening processing steps of calcining. The catalyst composition is useful in removing metals and hydroprocessing of hydrocarbon feedstocks. The catalyst can also be mixed with a high silica/alumina ratio zeolite such as sodium ZSM-5 zeolite.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: April 15, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Costandi A. Audeh, Tsoung-Yuan Yan
  • Zwitterionic quaternary ammonium sulfonates and sulfates and lubricants and fuels containing same
    Patent number: 4581150
    Abstract: Zwitterionic quaternary ammonium sulfates, and sulfonates are provided as new compounds and as highly effective additives to lubricants and liquid fuels. They have a variety of desirable effects, among them being their ability to reduce friction in an internal combustion engine, thereby reducing the amount of fuel consumed.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: April 8, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski
  • Zwitterionic quaternary ammonium sulfonates and sulfates and lubricants and fuels containing same
    Patent number: 4581149
    Abstract: Zwitterionic Quaternary ammonium sulfates, and sulfonates are provided as new compounds and as highly effective additives to lubricants and liquid fuels. They have a variety of desirable effects, among them being their ability to reduce friction in an internal combustion engine, thereby reducing the amount of fuel consumed.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: April 8, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski
  • Diamine carboxylates and lubricant and fuel compositions containing same
    Patent number: 4581039
    Abstract: N-Hydrocarbyl hydrocarbylenediamine carboxylates, which can be made by the reaction of the appropriate diamine and organic monocarboxylic acid, demonstrate friction reducing properties when formulated into lubricants, particularly lubricating oils, and fuel consumption reduction properties when formulated into such lubricants or into fuels.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: April 8, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Andrew G. Horodysky
  • Method for removal of phenolic materials from mixtures thereof
    Patent number: 4581131
    Abstract: Phenolic compounds are removed from a hydrocarbon oil by contacting the oil with manganese nodules at suitable conditions of contact time, temperature, and pressure.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: April 8, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Leslie R. Rudnick
  • Amides from dialkylenetriamines and lubricant and fuel compositions containing same
    Patent number: 4581037
    Abstract: Amides from N-hydrocarbyl hydrocarbylenetriamine, which can be made by the reaction of the appropriate triamine and organic monocarboxylic acid, demonstrate friction reducing properties when formulated into lubricants, particularly lubricating oils, and fuel consumption reduction properties when formulated into such lubricants or into fuels.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: April 8, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Andrew G. Horodysky
  • Friction reducing additives and compositions thereof
    Patent number: 4571248
    Abstract: New compounds made by first reacting an amine, an aldehyde and a mercaptan and reacting the product thus obtained with a boron compound are provided. The invention also provides lubricant and liquid fuel compositions containing such compounds.
    Type: Grant
    Filed: August 7, 1984
    Date of Patent: February 18, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Joan M. Kaminski
  • Fuels containing sulfurized organic acid diamine salts
    Patent number: 4566879
    Abstract: The invention provides certain salts of sulfurized carboxylic acids and diamines and their use as friction reducing additives in lubricants or fuels. They are also antioxidants and useful in operations where an additive not corrosive to copper is required.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: January 28, 1986
    Assignee: Mobil Oil Company
    Inventor: Andrew G. Horodysky
  • Phosphorus-containing reaction products as antiwear and load carrying additives for lubricants
    Patent number: 4563299
    Abstract: Excellent antiwear and load-carrying characteristics are imparted to lubricants when dialkyl phosphonates which have undergone condensation reactions with aldehydes and polyamines are incorporated therein.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: January 7, 1986
    Assignee: Mobil Oil Corporation
    Inventor: Gerassimos Frangatos
  • Aminated boron- and phosphorus-containing compounds and lubricant or fuel compositions containing same
    Patent number: 4557844
    Abstract: Certain boron-, phosphorus- and nitrogen-containing reaction products are multifunctional additives for lubricants and liquid fuels. They have been found to be antioxidants and antifriction agents and to hinder the corrosion of copper.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: December 10, 1985
    Assignee: Mobil Oil Corporation
    Inventor: Andrew G. Horodysky
  • Hindered phenyl esters of cyclic borates and lubricants containing same
    Patent number: RE32295
    Abstract: New reaction products obtained by reacting (1) a hindered phenol, (2) a boron compound and (3) an amine together are described. Preferred reaction sequences are:(a)(2)+(1), then this product with (3); and(b)(2)+(3), then this product with (1).Also described are lubricant compositions containing the reaction products and a method of reducing fuel consumption in an internal combustion engine by lubricating the engine with a lubricant containing the reaction product.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: November 25, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Milton Braid, Andrew G. Horodysky