Abstract: 2,5-dimercapto-1,3,4-thiadiazole dimer-poly(ether)glycol reaction products and adducts useful as extreme pressure additives. Lubricating compositions (e.g., greases) containing reaction products and adducts exhibit improved Timken Load properties.

Abstract: Lubricating compositions containing a major amount of a base oil and an effective amount of an additive component having at least one compound of formula (I): where R is one of the following radicals, methyl, ethyl, n-propyl, i-propyl or a combination thereof, and n=0-8. In a preferred embodiment, R is a methyl radical and n=2-3. The lubricating compositions provide improved lubricating performance, particularly by inhibiting oxidation and improving thermal stability.

Abstract: Polyether and polyester poloyols and polyurethane foams are stabilized by including therein stabilizers selected from (1) diphenylaminomethylbenzotriazole substituted by alkyl or phenylalkyl groups or (2) synergistic compositions consisting of (a) benzotriazole or alkylbenzotriazole and (b) secondary aromatic amine substituted by alkyl or phenylalkyl groups wherein the benzotriazole and amine is present in critical ratios. Furthermore, a method is disclosed for preparation of polyurethane foams from polyols and polyisocyanate that have reduced discoloration due to scorch by adding diphenylamino methylbenzotriazole or compositions of benzotriazole and secondary aromatic amine as scorch inhibitors to the polyol, foaming the polyol and curing.

Abstract: Disclosed are synergistic antioxidant compositions composed of (1) amine salts of alkyl phosphates and (2) ethylenediamine, ammonium or metal salts of alkylarylsulfonates.The antioxidant compositions are useful for formulating zinc-free antiwear hydraulic fluids and gear lubricating oils in conjunction with thiophosphate type antiwear agents, corrosion and rust inhibitors.

Abstract: A method is disclosed for preparation of amine functionalized copolymers by reacting copolymers of alkyl methacrylate and maleic anhydride with N-phenyl-1,4-phenylenediamine in mineral oil and inert atmosphere at 40 to 75.degree. C. The copolymers are useful viscosity index improvers when incorporated into lubricating oils.

Abstract: This invention relates to synergistic antiwear compositions comprising an organomolybdenum complex and an organic sulfuir compound selected from 2,5-dimercapto-1, 3,4-thiadiazole derivatives, bisdithiocarbamate esters, metal dithiocarbamates, metal phosphorodithioates and phosphorodithioate esters. The organomolybdenum complex is a reaction product prepared by reacting 1 mole fatty oil, 1.0 to 2.5 moles diethanolamine and a molybdenum source.Lubricating compositions containing the synergistic compositions possess good antiwear properties and improved oxidation stability.

Abstract: A magnetorheological fluid that includes magnetic-responsive particles, a carrier fluid and a phosphorus additive. The magnetorheological fluid does not include an organomolybdenum, a thiophosphorus additive or a thiocarbamate additive.

Abstract: Disclosed are novel compounds prepared by reacting two moles of 2,5-dimercapto-1,3,4-thiadiazole and one mole of a hydrocarbon compound selected from terpenes, aryl compounds and aliphatic compounds which may be substituted by oxygen or oxygen containing groups. The hydrocarbon compound forms a bivalent radical linking together the two 2,5-dimercapto-1,3,4-thiadiazoles. The compounds are effective extreme pressure agents when incorporated into lubricating compositions.

Abstract: A novel method is disclosed for preparation of bismuth dithiocarbamates by an exchange reaction between a bismuth carboxylate and a metal dithiocarbamate. The metal dithiocarbamate can be added to the reaction or prepared in situ by reacting a secondary amine and carbon disulfide in the presence of metal oxide, metal hydroxide or a tertiary amine.The reaction products are useful as extreme pressure additives when incorporated in lubricants.

Abstract: An aviation lubricating oil composition comprises a major amount of base stock oil and a minor amount of triaryltin polyphenyl ether wherein the triaryl groups are phenyl or phenoxyphenol. A method is disclosed for preparation of the tin compounds by reacting polyphenyl ether with t-butyllithium followed by quenching with triphenylstannyl halide.

Abstract: The present invention provides an improved curing system for chlorinated polymers using as a curing agent alkyl ether and alkyl thioether derivatives of 2,5-dimercapto)-i,3,4-thiadiazole and of its climer.

Abstract: A magnetorheological fluid that includes magnetic-responsive particles, a carrier fluid and an organomolybdenum. The organomolybdenum preferably includes at least one molybdenum atom bonded to at least one organic moiety wherein the organic moiety can be derived from a precursor selected from the group consisting of a saturated or unsaturated hydrocarbon, an aromatic hydrocarbon, an oxygen-containing compound, a nitrogen-containing compound and a compound containing more than one functional group.

Abstract: This invention relates to a water-based antifreeze or coolant composition having improved antioxidant and anticorrosion properties and comprising a major amount of an aqueous solution of a polyhydric alcohol and a minor amount of a functional additive composition consisting of monoallylamine salt of 2,5-dimercapto-1,3,4-thiadiazole and monoallylamine salt of benzoic acid.

Abstract: A novel method is disclosed for preparation of bismuth dithiocarbamates by an exchange reaction between a bismuth carboxylate and a metal dithiocarbamate. The metal dithiocarbamate can be added to the reaction or prepared in situ by reacting a secondary amine and carbon disulfide in the presence of metal oxide, metal hydroxide or a tertiary amine.The reaction products are useful as extreme pressure additives when incorporated in lubricants.

Abstract: Oxidative stability of petroleum motor fuel is improved by adding to the fuel an effective amount of heterocyclic molybdenum complex prepared by reacting (a) diol, amino or amino-alcohol compound and (b) a molybdenum source sufficient to yield about 2.0 to 20.0 percent of molybdenum based on the weight of the complex.

Abstract: This invention relates to synergistic rust inhibiting compositions consisting of (a) N-acylsarcosine compound, (b) dicarboxylic acid having 6 to 48 carbon atoms, and (c) an amine selected from primary, secondary or tertiary amines or imidazoline compounds.Lubricating compositions containing the synergistic rust inhibiting compositions possess good antirust stability.

Abstract: Disclosed the novel compounds prepared by reacting 2,5-dimercapto-1,3,4,-thiadiazole with maleic anhydride and N-polyethylene amine-substituted succinimide. The compounds are dispersants or detergents, antiwear agents and antioxidants when incorporated into lubricating compositions.

Abstract: This invention relates to synergistic extreme pressure compositions comprising (1) an alkylenebis(dihydrocarbyldithiocarbamate) compound and (2) a bismuth compound selected from the group consisting of bismuth carboxylates, bismuth dihydrocarbyldithiocarbamates and bismuth dihydrocarbylphosphorodithioates.Lubricating compositions containing the synergistic compositions possess good extreme pressure properties.

Abstract: Hydroconversion processes employing 2,4-heteroatom-substituted-molybdena-3,3-dioxocyclopentane hydro-conversion catalysts are disclosed. In some embodiments, inexpensive bulk catalysts in accordance with the present invention are synthesized from bulk triglyceridic epoxides or fatty acids.

Abstract: 2,4-Heteroatom-substituted-molybdena-3,3-dioxocyclopentane hydro-conversion catalysts are disclosed. In some embodiments, inexpensive bulk catalysts in accordance with the present invention are synthesized from bulk triglyceridic epoxides or fatty acids.