Abstract: Amine salts of sulfur-containing alkylated phenols or alkylated naphthols, have been found to be effective multifunctional antioxidant and antiwear additives for lubricants.

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.

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.

Abstract: Sulfur-coupled hydrocarbyl derived mercaptobenzothiazole adducts have been found to be effective multifunctional antiwear additives for fuels and lubricants.

Abstract: Dialkanol- and trialkanol amine-derived thioesters have been found to be effective multifunctional antiwear additives for lubricants and fuels.

Abstract: Quaternary ammonium salts of mercaptothiadiazoles and related heterocyclic derivatives have been found to be effective antioxidant and antiwear additives for lubricants and fuels.

Abstract: Dimercaptothiadiazole reacted with arylsulfonic acids preformed or formed in situ in lubricants provide multifunctional antioxidant, antiwear, and corrosion inhibiting properties thereto.

Abstract: A lubricant contains an antioxidant and antiwear amount of a Mannich base reaction product of a phenylenediamine, such as N,N'-dihydrocarbyl substituted phenylenediamine, an aldehyde or ketone and a dialkyl-substituted phosphonate such as dimethyl hydrogen phosphonate or bis(2-ethylhexyl) hydrogen phosphonate.

Abstract: Borated or partially borated, amine-contained hindered phenols provide effective antioxidant properties to compositions comprising lubricants and liquid fuels.

Abstract: Ester-type ashless dispersants containing additional integral sulfur-ester moieties which have been found to possess enhanced thermal and oxidative stability are claimed.

Abstract: Mixed alcohol/dimercaptothiadiazole-derived hydroxy borates have been found to be effective antiwear/antioxidant multifunctional additives for lubricants.

Abstract: Reaction products of sulfur, olefins and sodium sulfide hydrates are improved extreme-pressure/antiwear additives for lubricants and liquid hydrocarbyl fuels.

Abstract: Thioester derived hindered phenols & thioester derived arylamines are effective antioxidant and antiwear additives for lubricants and fuels.

Abstract: Quaternary ammonium salt derived thiadiazoles provide multifunctional antioxidant/antiwear characteristics to lubricants when incorporated therein.

Abstract: Lubricating oil and grease compositions contain borated hydroxyalkyl esters of amine or metal salts of diorganodithiocarbamic acid, such as N,N'-di-(2-ethylhexyl) dithiocarbamic acid, and hydrocarbylene oxie, such as propylene oxide, as antioxidant, load-carrying and friction modifying additives.

Abstract: Reaction products of aryltriazoles or arylamines and arylsulfonic acids pre-reacted or formed in-situ in lubricants provide multifunctional antioxidant, antiwear and corrosion-inhibiting properties thereto.

Abstract: It has now been discovered that oligomers of C.sub.6 - C.sub.20 alpha-olefins, such as 1-decene, with branch ratios below 0.19 and high viscosity indices (HVI) can be functionalized to provide unique phosphite derivatives. Functionalized polyalpha-olefin lubricants compositions are prepared with superior properties by adding functionalized organophosphites to the olefinic bond of HVI-PAO. The invention encompasses a process for the preparation of lubricant range hydrocarbons containing phosphonate functional groups, comprising;reacting olefinic C.sub.20 + polyalpha-olefin oligomers having a branch ratio of less than 0.19 and phosphite ester in a mixture with peroxide catalyst at elevated temperature whereby phosphite ester adduct of said polyalpha-olefin is formed;separating said reaction mixture products and recovering said adduct.

Abstract: A lubricant or fuel composition contains a multifunctional antioxidant and antiwear amount of an O,O-diorgano-S-(2-hydroxyalkyl) phosphorodithioate derived hydrogen phosphonate which can be made by reacting a diorganophosphorodithioic acid with an epoxide and a dialkyl phosphite, such as dimethyl phosphite.

Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydrocarbylamines.

Abstract: Sulfur-coupled hydrocarbyl derived mercaptobenzothiazole adducts have been found to be effective multifunctional antiwear additives for fuels and lubricants.