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| Number | Title | Issue Date |
| 7442673 | Reaction products of mercaptobenzothiazoles, mercaptothiazolines, and mercaptobenzimidazoles with epoxides as lubricant additives A composition comprising: (A) a lubricant, and (B) at least one alcohol that is the reaction product of mercaptobenzothiazoles, mercaptothiazolines, or mercaptobenzimidazoles with various epoxies. ... | 10/28/2008 |
| 7309681 | Ashless lubricating oil composition with long life An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosph... | 12/18/2007 |
| 7243563 | Friction applying apparatus and linear guide apparatus having the same A friction applying apparatus and a linear guide apparatus having the same, according to the present invention can uniformly contact allover contacting faces of sliding members to the contacted members so as to reduce abrasion in the sliding members and the contacte... | 07/17/2007 |
| 7214648 | Lubricant and additive formulation An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination... | 05/08/2007 |
| 7056871 | Lubricating oil composition which decreases copper corrosion and method of making same An oil-soluble additive composition and lubricating oil composition containing the same, comprising an organic sulfur-containing extreme pressure additive; a thiadiazole, wherein the thiadiazole does not contain a polycarboxylate moiety and the amount of dimercaptot... | 06/06/2006 |
| 6946429 | Bearing for electronically controlled throttle motor A bearing for an electronically controlled throttle motor in an automobile filled with a grease composition with a kinetic viscosity between 40 and 150 mm2/sec (at 40° C.) containing (a) a straight-chain perfluoropolyether oil with a kinetic viscosity le... | 09/20/2005 |
| 6797679 | Lubricant composition Provided is a lubricant composition prepared by adding, to a base oil, (a) from 0.01 to 5% by mass, based on the composition, of a phosphate, (b) from 0.005 to 1% by mass of an amine salt of an acid phosphate and (c) from 0.01 to 1% by mass of a sulfur-containing ex... | 09/28/2004 |
| 6617287 | Manual transmission lubricants with improved synchromesh performance A novel lubricating composition for manual transmissions with improved performance with sintered synchronized components. The lubricating oil composition contains high level of an alkaline earth sulfonate and amine phosphates.... | 09/09/2003 |
| 6573223 | Lubricating compositions with good thermal stability and demulsibility properties The invention relates to a lubricating composition comprising: (a) at least one sulfur-free hydrocarbyl phosphoric acid ester or salt, (b) at least one sulfur-containing hydrocarbyl phosphoric acid or salt, (c) an organic polysulfide, (d) at least one dis... | 06/03/2003 |
| 6559107 | Thiadiazolidine additives for lubricants Disclosed herein is a composition comprising: (A) a lubricant, and (B) at least one 5-alkyl-2-thione-1,3,4-thiadiazolidine compound of the formula: ##STR1## wherein R1 is a hydrocarbon or functionalized hydrocarbon of from 1 to 30 carbon atoms,... | 05/06/2003 |
| 6541427 | Lubricant for maintenance-free cardan shafts The present invention relates to a lubricant for service-free cardan shafts comprising a base selected from the group consisting of a naphthenic solvent and a paraffinic solvent; a thickener selected from the group consisting of lithium salt, lithium soap... | 04/01/2003 |
| 6521570 | Automotive lubricant An automotive lubricant comprising a white oil basestock and one or more additives, at least one additive being an antioxidant. The white oil basestock may be blended with mineral oil and/or synthetic oil basestocks. The lubricant can be used, for example... | 02/18/2003 |
| 6448208 | Liquid polyfunctional additives A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of... | 09/10/2002 |
| 6258760 | Grease composition for constant velocity joint The present invention relates to a grease composition for a constant velocity joint, which has a low coefficient of friction to decrease the vibrations of CVJ, which comprises a base oil, a urea thickening agent, (A) a molybdenum dialkyldithiocarbamate, (... | 07/10/2001 |
| 6136759 | Additive composition Provided is a novel additive composition containing (a) a compound having, in the molecule, a group of a general formula (I): ##STR1## wherein R1, R2 and R3 each represent a hydrogen atom or a methyl group, but at lea... | 10/24/2000 |
| 6013200 | Low toxicity corrosion inhibitor A water soluble corrosion inhibitor containing a compound having at least one five-membered heterocyclic ring having at least one thione group and at least one other pendant group is described. Such a corrosion inhibiting compound can be made by reacting ... | 01/11/2000 |
| 6001783 | Mixed polysulfides and lubricants and functional fluids containing the same This invention relates to a composition, comprising: (A) at least one compound selected from the group consisting of (A-1) a compound represented by the formula T1 T2 --P(X1)--(S)n --S--C (X2)--L1(A-I) (A... | 12/14/1999 |
| 5922654 | Lubricant composition The invention relates to lubricant compositions which contain (1) specific organometallic compounds, or (2) a specific organometallic compound and an ashless sulfur compound, or (3) an organomolybdenum compound and an ashless sulfur compound having a spec... | 07/13/1999 |
| 5801130 | High load-carrying turbo oils containing amine phosphate and dimercaptothiadiazole derivatives This invention relates to synthetic based turbo oils, preferably polyol ester-based turbo oils which exhibit exceptional load-carrying capacity by use of a synergistic combination of sulfur (S)-based and phosphorous (P)-based load additives. The S-contain... | 09/01/1998 |
| 5753598 | Lubricating oil compositions or concentrates therefor providing enhanced water-shedding properties The combination (mixture and/or reaction product) of an epoxy based demulsifier and a heterocyclic compound, e.g. dimercaptoth-iadiazole, has been found to exhibit synergistic activity in marine oil formulations especially Trunk Piston Oils. The combinati... | 05/19/1998 |
| 5736490 | Automotive white-oil based lubricant composition An automotive lubricant composition comprises a white oil basestock and at least one polyisoalkylene compound. The polyisoalkylene, e.g. polyisobutylene, acts as an antioxidant. The lubricant is used, for example, as an engine oil, gear oil or automatic t... | 04/07/1998 |
| 5731274 | Lithium complex grease with extended lubrication life A lithium complex grease of extended lubricating life and possessing enhanced high temperature antioxidancy comprises a major portion of a base oil stock of lubricating viscosity and a minor mount of a lithium complex soap thickener, dilithium salicylate ... | 03/24/1998 |
| 5622922 | Method of solubilizing a benzotriazole with a thiadiazole A homogenous product is formed by heating at a temperature in the range of from 50° to 150° C. a mixture of a benzotriazole and a 2,5-dihydrocarbyldithio-1,3,4-thiadiazole.... | 04/22/1997 |
| 5516442 | Polymeric thioheterocyclic rust and corrosion inhibiting marine diesel engine lubricant additives A rust and corrosion inhibiting marine diesel engine lubricating oil additive is provided which comprises a mixture of: (a) an oligomeric polythiocyclic imide represented by the formula ##STR1## wherein R and R1 each are a (C1 -C | 05/14/1996 |
| 5490946 | Ashless benzotriazole-thiadiazol compounds as anti-oxidant, anti-wear and friction modifiers in lubricants and the lubricants containing such compounds Adducts of benzotriazole or substituted benzotriazole with formaldehyde or with thiadiazole or substituted thiadiazole are useful as ashless anti-wear/anti-friction/anti-oxidant additives for lubricants. Formulated lubricants containing such adducts exhib... | 02/13/1996 |
| 5453210 | Method of treating the products of combustion of landfill gas Disclosed is a method of extending lubricant life and engine life in a gas engine that utilizes landfill gas which comprises treating deleterious landfill gas components and combustion products of said landfill gas with a lubricant composition comprising ... | 09/26/1995 |
| 5342531 | Polyalkylene glycol lubricant compositions A lubricant composition comprising a major proportion of polyalkylene glycol of lubricating viscosity and a minor proportion dissolved therein of (a) at least one sulphur-containing antiwear or extreme pressure agent, (b) at least one amine salt of at lea... | 08/30/1994 |
| 5302304 | Silver protective lubricant composition A method of protecting silver parts and inhibiting copper corrosion in an internal combustion engine and a silver-wear and copper-corrosion protection additive in a lubricating composition comprising a major proportion of an oil of lubricating viscosity a... | 04/12/1994 |
| 5205945 | Multifunctional additives A multifunctional antioxidant, antiwear and dispersancy additive for fuels and lubricants is a reaction product of a thiol-substituted diazole, such as aminomercaptothiadiazole (AMTD) or dimercaptothiadiazole (DMTD), an aldehyde and a hydrocarbon-substitu... | 04/27/1993 |
| 5200102 | Multifunctional olefin copolymer and lubricating oil composition An additive composition comprising a graft and derivatized copolymer prepared from ethylene and at least one C3 -C10 alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15... | 04/06/1993 |
| 5182041 | Dispersant - anti-oxidant additive and lubricating oil composition containing same An additive composition comprising a graft and amine-derivatized polymer having an average molecular weight ranging from about 300 to 3500 which has been reacted with at least one olefinic carboxylic acid acylating agent to form one or more acylating reac... | 01/26/1993 |
| 5171462 | Mixtures of polyoxyalkylene ester and aminopolyazoles as oxidation and corrosion resistant lubricant additives Mixtures of block alkoxy co- or terpolymer hydrocarboxylates and aminopolyazole increase the oxidation and corrosion resistance of lubricants, particularly diesel engine oil.... | 12/15/1992 |
| 5126397 | Quaternary ammonium salt derived thiadiazoles as multifunctional antioxidant and antiwear additives Quaternary ammonium salt derived thiadiazoles provide multifunctional antioxidant/antiwear characteristics to lubricants when incorporated therein.... | 06/30/1992 |
| 5110491 | Oligomeric lubricant additive designed to enhance antioxidancy and corrosion resistance in railway diesel crankcase lubricants A railway diesel crankcase lubricant composition comprising a major portion of a diesel lubricating oil and a minor amount of, as an oxidation and corrosion inhibiting agent, a condensate product prepared by the process comprising: (a) reacting a dibasic ... | 05/05/1992 |
| 5102568 | Thiadiazole compounds and lubricant additives thereof Novel thiadiazole compounds of the formula [Z--S--Q--S]x M where: Q is a bivalent thiadiazole ring; Z is a succinate group; M is hydrogen, a metal ion selected from the Periodic Table Groups IA, IIA, IIIA, IB, IIB, IIIB, IVB, VB, and VIB, a (MoO | 04/07/1992 |
| 5093018 | Dioxolanes and thio analogs, derivatives thereof and lubricants and fuels containing same Dioxolanes, thio analogs thereof, and derivatives of these and methods of preparation are described. These materials are useful as additives in lubricants and fuels. Methods for reducing fuel consumption in internal combustion engines employing the lubric... | 03/03/1992 |
| 5019283 | Enhancing antiwear and friction reducing capability of certain xanthate containing molybdenum sulfide compounds It now has been discovered that lubricating compositions containing an additive formed by reacting Mo(CO)6 with dixanthogen can be enhanced by the inclusion in the composition ligands selected from polydentate ligands and mixtures thereof. Thus... | 05/28/1991 |
| 4992186 | Enhancing antiwear and friction reducing capability of certain molybdenum (V) sulfide compounds It now has been discovered that lubricating compositions containing (disulfido) tris (N, N-substituted dithiocarbamato) Mo(V) compounds can be enhanced by the inclusion in the composition certain polydentate ligands. Thus, the present invention comprises ... | 02/12/1991 |
| 4935157 | 2-hydroxy-1,3,4-thiadiazoles and lubricating compositions containing same This invention concerns novel 2-hydroxy-5-alkylthio-1,3,4-thiadiazoles wherein the alkyl group may be substituted by hydroxy and phenoxy groups. The compounds are effective antiwear agents and antioxidants when incorporated into lubricating compositions.... | 06/19/1990 |
| 4917809 | High-temperature lubricants A composition comprising (a) one or more lubricants or hydraulic based on mineral oil or synthetic oils and (b) 0.05 to 5% by weight, relative to the total weight of the lubricant composition or hydraulic oil composition, of a mixture of (1) at least one compo... | 04/17/1990 |
