Patents Represented by Attorney Howard M. Flournoy

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  • 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
  • Alkylated phenoxathin base stock for lubricants
    Patent number: 5286396
    Abstract: Monoalkylated phenoxathins are high-temperature stable lubricant fluids having extreme pressure and antiwear properties, additive solubility and inherent EP/antiwear properties. These novel phenoxathin fluids may also be used as additives in other lubricant fluids and are prepared by alkyating a phenoxathin in the presence of an acidic zeolite catalyst.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: February 15, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Leslie R. Rudnick, Carleton N. Rowe, Derek A. Law, G. Ali Naghipur
  • Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
    Patent number: 5284494
    Abstract: Additives which improve the low-temperature properties of distillate fuels are oligomeric/polymeric reaction products consisting of cross-linked anhydride and cross-linked epoxide (or their corresponding acid/diol equivalents), with optional termonomers.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: February 8, 1994
    Assignee: Mobil Oil Corporation
    Inventors: David J. Baillargeon, Angeline B. Cardis, Dale B. Heck, Susan W. Johnson
  • Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
    Patent number: 5284495
    Abstract: Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of anhydrides and one or more of the following long-chain diols: aminodiols, diaminodiols, amidodiols, with optional termonomers.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: February 8, 1994
    Assignee: Mobil Oil Corporation
    Inventors: David J. Baillargeon, Angeline B. Cardis, Dale B. Heck, Susan W. Johnson
  • Multifunctional additives to improve the low-temperature properties of distillate fuels and compositions containing same
    Patent number: 5284493
    Abstract: The reaction products of (1) anhydrides and/or poly-acids and (2) aminoalcohols or aminoalcohols/amides with long chain hydrocarbyl groups attached improve the low-temperature properties of distillate fuel when added thereto.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: February 8, 1994
    Assignee: Mobil Oil Corporation
    Inventors: David J. Baillargeon, Angeline B. Cardis, Dale B. Heck, Susan W. Johnson
  • Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
    Patent number: 5284496
    Abstract: Additives which improve the low-temperature properties of distillate fuels are oligomeric/polymeric reaction products of anhydrides and long-chain epoxides (or their corresponding acid/diol equivalents) consisting of hydroxyl promoted polyesters and ester promoted polyesters.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: February 8, 1994
    Assignee: Mobil Oil Corporation
    Inventors: David J. Baillargeon, Angeline B. Cardis, Dale B. Heck, Susan W. Johnson
  • 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
  • Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
    Patent number: 5271748
    Abstract: Additives which improve the low-temperature properties of distillate fuels are the polymeric and/or oligomeric monomers selected from ester/urethane reaction products of a combination of anhydrides and epoxides (or their corresponding acid/diol equivalents), and a urethane precursor and optionally with various suitable reactive materials to provide optional termonomers.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: December 21, 1993
    Assignee: Mobil Oil Corporation
    Inventors: David J. Baillargeon, Angeline B. Cardis, Dale B. Heck, Susan W. Johnson
  • Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
    Patent number: 5266084
    Abstract: Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of one or more bicyclic or alkyl anhydrides or their diacid equivalents and one or more long-chain epoxides or their corresponding acid/diol equivalents, with optional termonomers.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: November 30, 1993
    Assignee: Mobil Oil Corporation
    Inventors: David J. Baillargeon, Angeline B. Cardis, Dale B. Heck, Susan W. Johnson
  • 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
  • Complex alkoxy borates of alkylated phenols as lubricant stabilizers
    Patent number: 5252237
    Abstract: Alkoxy borates of alkylated phenols have been found to be effective cleanliness agents for lubricants and additives for improving the dropping point of greases.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: October 12, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Harry J. Andress, Jr., Henry Ashjian, William F. Olszewski, Robert E. Ernhoffer
  • 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
  • Diisocyanate derivatives as lubricant and fuel additives and compositions containing same
    Patent number: 5217635
    Abstract: Reaction products in which polyethers are connected to hydroxyalkylated polyamines using diisocyanates have been found to be effective ashless dispersants and detergents for various lubricants and fuels.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: June 8, 1993
    Assignee: Mobil Oil Corporation
    Inventors: David A. Blain, Angeline B. Cardis
  • 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.
  • Amine salts of sulfur-containing alkylated phenols or alkylated naphthols as multifunctional antioxidant and antiwear additives
    Patent number: 5207937
    Abstract: Amine salts of sulfur-containing alkylated phenols or alkylated naphthols, have been found to be effective multifunctional antioxidant and antiwear additives for lubricants.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: May 4, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Shih-Ying Hsu, Arjun K. Goyal, Andrew G. Horodysky, Liwen Wei
  • Sulfurized olefin-glycerol monooleate adducts and lubricant compositions containing same
    Patent number: 5205948
    Abstract: Sulfurized olefins, particularly sulfurized isobutylene, are reacted with glycerol monooleate. The resulting product is useful as an additive for lube oil compositions.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: April 27, 1993
    Assignee: Mobil Oil Corp.
    Inventor: Angeline B. Cardis
  • Arylamine/hindered phenol, acid anhydride and thioester-derived multifunctional antioxidant, antiwear and rust inhibiting additives
    Patent number: 5200101
    Abstract: Arylamine/hindered phenol, acid anhydride and thioester-derived reaction products, have been found to be effective multifunctional antioxidant, antiwear and rust inhibiting additives for lubricants and fuels.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: April 6, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Shin-Ying Hsu, Andrew G. Horodysky, Douglas E. Johnson, David A. Blain
  • Sulfur coupled hydrocarbyl derived mercaptobenzothiazole adducts as multifunctional antiwear additives and compositions containing same
    Patent number: 5199960
    Abstract: Sulfur-coupled hydrocarbyl derived mercaptobenzothiazole adducts have been found to be effective multifunctional antiwear additives for fuels and lubricants.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: April 6, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, James G. Murray