Patents by Inventor Andrew G. Horodysky

Andrew G. Horodysky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Carboxylic acid/ester products as multifunctional additives for lubricants
    Patent number: 5352377
    Abstract: Reaction products of hydrocarbylcarboxylic anhydrides and aminoalkanols can provide effective antiwear, antirust, and corrosion-inhibiting properties in lubricant and fuel applications.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: October 4, 1994
    Assignee: Mobil Oil Corporation
    Inventors: David A. Blain, Robert H. Davis, Andrew G. Horodysky, Shi-Ming Wu
  • Amide/ester heterocyclic derivatives of hydrocarbylsuccinic anhydrides as rust/corrosion inhibiting additives for lubricants
    Patent number: 5348674
    Abstract: Reaction products of hydrocarbylsuccinic anhydrides, hydroxyl-containing amines and triazoles have been found to be effective antirust, antioxidant, anti-corrosion, antiwear, dispersant/detergent and thermal color stabilizing additives.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: September 20, 1994
    Assignee: Mobil Oil Corporation
    Inventors: David A. Blain, Andrew G. Horodysky, Ronald J. Poole, Shi-Ming Wu
  • Lubricant compositions containing arylsulfonic acids, and organo phosphites and reaction products thereof
    Patent number: 5348671
    Abstract: Disclosed are lubricant compositions containing a lubricant and: (a) the reaction product of a non-metallic dihydrocarbylaromatic or monohydrocarbylaromatic sulfonate and a dialkyl or trialkyl phosphite; or (b) the reaction product of a non-metallic dialkylnaphthalene sulfonate and a dialkyl or trialkyl phosphite and further containing an acid or acid supplying component; or (c) an unreacted mixture of dialkylnaphthalene sulfonic acid and a dialkyl or trialkyl phosphite.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: September 20, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Derek A. Law, Shi-Ming Wu
  • Antiwear additives
    Patent number: 5346637
    Abstract: A multifunctional antiwear and antioxidant lubricant additive is the reaction product of a diacyl halide, a source of phosphorus or a source of phosphorus and an aryl amine. The diacyl halide is derived from a hydrocarbon-substituted succinic anhydride, suitably dodecenyl succinic anhydride, an alkoxylated amine and an inorganic acid halide, suitably thionyl chloride. A suitable source of phosphorus is dibutyl phosphite or bis(nonylphenyl)phosphite. A suitable aryl amine is N-octylphenyl-1-naphthylamine.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: September 13, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Shi-Ming Wu
  • Hydrocarbyl ethers of sulfur-containing hydroxyl derived aromatics as synthetic lubricant base stocks
    Patent number: 5344578
    Abstract: Alkyl ethers of sulfur-containing hydroxyl-derived aromatics have been found to be effective as high-performance synthetic lubricant base stocks with superior catalytic thermal/oxidative stabilities, excellent antiwear and load-carrying properties, as exemplified by bisphenol sulfide (BPS) based products. These ethers are also highly useful in fuel compositions.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: September 6, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Liwen Wei, Andrew G. Horodysky, Andrew Jeng, Ross A. Kremer
  • Antioxidants for functional fluids
    Patent number: 5336420
    Abstract: An aromatic functional fluid, specifically a monoalkylated tetradecyl diphenyl oxide synthetic lubricant, contains a polymer-supported reaction product of an organic quaternary ammonium salt, derived from a mercapto-heterocycle and a quaternary ammonium salt. To produce the polymer-supported organic quaternary ammonium salt, the salt is reacted with a dicarboxylic acid or anhydride, specifically 2-dodecen-1-ylsuccinic anhydride. An arylamine antioxidant, such as alkylated phenyl naphthylamine, can be added to the polymer supported organic quaternary ammonium salt-treated functional fluid to impart extra antioxidant and stability properties.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: August 9, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Shih-Ying Hsu, Andrew Jeng, Leslie R. Rudnick
  • Lubricant compositions comprising triazole-derived acid-esters or ester-amide-amine salts as antiwear additives
    Patent number: 5328625
    Abstract: Organic triazole-derived carboxylic acid-esters, and ester-amide-amine salts have been found to be effective antiwear additives for lubricants.
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: July 12, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, Ronald J. Poole, John R. Donofrio
  • Phosphorodithioate-derived pyrrolidinone adducts as multifunctional antiwear/antioxidant additives
    Patent number: 5324441
    Abstract: Vinyl pyrrolidinone capped phosphorodithioates have been found to be effective multifunctional antiwear/antioxidant additives for lubricants.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: June 28, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, Ronald J. Poole
  • Dihydrocarbyl substituted phenylenediamine-derived phenolic products as antioxidants
    Patent number: 5312461
    Abstract: A lubricating oil, grease or fuel composition contains an antioxidant amount of a Mannich base reaction product of an N-hydrocarbyl-substituted-phenylenediamine or an N,N'-dihydrocarbyl-substituted phenylenediamine such as N,N'-di-sec-butyl-para-phenylenediamine, an aldehyde or ketone and a hindered phenol such as 2,6-di-tert-butylphenol.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: May 17, 1994
    Assignee: Mobil Oil Corporation
    Inventors: L. Oscar Farng, Andrew G. Horodysky
  • Sulfur-containing ester derivatives of arylamines and hindered phenols as multifunctional antiwear and antioxidant additives for lubricants
    Patent number: 5304314
    Abstract: Sulfur-containing ester derivatives of arylamines and hindered phenols have been found to be effective antioxidant and antiwear additives for lubricants.
    Type: Grant
    Filed: December 27, 1991
    Date of Patent: April 19, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Shih-Ying Hsu, Andrew G. Horodysky
  • Amine-coupled hindered phenols and phosphites as multifunctional antioxidant/antiwear additives
    Patent number: 5288418
    Abstract: Amine coupled condensation products of hindered phenols and phosphites have been found to be effective antioxidant/antiwear additives for lubricants.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: February 22, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, William F. Olszewski
  • Lubricant additives
    Patent number: 5282988
    Abstract: A urethane reaction product, derived from an alkoxylated diorgano phosphorodithioate and an isocyanate, specifically, toluenediisocyanate and hexamethylene diisocyanate, is a multifunctional antiwear and antioxidant additive for lubricants. The isocyanate groups of the reaction product are substantially converted to urethane and/or urea groups through post reaction with active hydrogen compounds such as dibutylamine, bis(2-hydroxethyl) cocoamine and alcohols such as 2-propanol.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: February 1, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Arjun K. Goyal, Andrew G. Horodysky
  • Reaction products of sulfur-containing diacyl halides with phosphorodithioic acid and phenols or thiazoles as multifunctional lubricant additives
    Patent number: 5279751
    Abstract: Reaction products of sulfur-containing diacyl halides with phosphorodithioic acids and phenols or thiazoles are effective EP/antiwear and antioxidant additives for lubricants.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: January 18, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Shi-Ming Wu, Andrew G. Horodysky
  • Antioxidant and antiwear additives for lubricants and fuels
    Patent number: 5258130
    Abstract: Reaction products of an organotin oxide, such as dibutyltin oxide, a diorgano dithiophosphoric acid such as di-(2-ethylhexyl)dithiophosphoric acid and an alkenyl or polyalkenyl succinic anhydride, such as dodecenyl succinic anhydride, are effective multifunctional antioxidant and antiwear additives in lubricants, greases and fuels.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: November 2, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Shih-Ying Hsu
  • Diol phosphite adducts of olefins as multifunctional lubricants and additives for lubricants
    Patent number: 5254276
    Abstract: Cyclic diol- and diol-ester phosphite adducts of olefins and polymeric olefins provide superior multifunctional and lubricating fluid media with internal synergistic multifunctional antiwear, antioxidant properties and extreme pressure/antiwear additives for both mineral and synthetic lubricating oils as well as liquid hydrocarbon fuels.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: October 19, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Linda A. Benjamin, Andrew G. Horodysky, Derek A. Law, Shi-Ming Wu
  • Grease composition
    Patent number: 5242610
    Abstract: The invention is an improved grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen or mixtures thereof.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: September 7, 1993
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Quaternary ammonium salt derived thiadiazoles as multifunctional antioxidant and antiwear additives
    Patent number: 5217502
    Abstract: Quaternary ammonium salt derived thiadiazoles provide multifunctional antioxidant/antiwear characteristics to fuels.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: June 8, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Shih-Ying Hsu, Andrew G. Horodysky
  • Thioester derived hindered phenols and aryl-amines as antioxidant and antiwear additives
    Patent number: 5215549
    Abstract: Thioester derived hindered phenols and thioester derived arylamines are effective antioxidant and antiwear additives for liquid hydrocarbon fuels.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: June 1, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Shih-Ying Hsu, Andrew G. Horodysky
  • Grease composition
    Patent number: 5211863
    Abstract: The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen. Non-zinc phosphorodithioate sulfur and/or phosphorous compounds are also incorporated into the composition.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: May 18, 1993
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition
    Patent number: 5211860
    Abstract: Improved grease compositions, wherein the grease is thickened with a hydroxy-carboxylate soap grease thickener, preferably a lithium 12-hydroxy stearate, and a means for increasing the dropping point which is a borated n-hydrocarbyl propylenediamine and optionally compounds containing phosphorus and/or sulfur moieties are disclosed.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: May 18, 1993
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller