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| Number | Title | Issue Date |
| 7265080 | Rolling bearing, rolling bearing for fuel cell, compressor for fuel cell system and fuel cell system The rolling bearing of the invention to be incorporated in the compressor for fuel cell system comprises a fluorine-based grease containing a fluororesin and a fluorine-based oil, a urea grease containing a urea compound and a synthetic oil or a lithium complex grea... | 09/04/2007 |
| 6921885 | Method of increasing the useful life of a molybdenum silicide heating element A method of increasing the useful life of heating elements that consist essentially of molybdenum silicide and alloys thereof, wherein the heating elements operate at high temperatures in heat treatment processes and generally rest against the floor and/or the ceili... | 07/26/2005 |
| 6531431 | Pivot assembly bearing A fluorine-based oil composition for actuator roller bearings comprising (A) a fluorine-based oil and (B) a fluorinated ether diamide compound at a ratio by weight of 80 to 99.1:20 to 0.1. This composition is much better in torque, outgas and life than ex... | 03/11/2003 |
| 6420321 | Fluorine-based oil composition for actuator rolling bearings A fluorine-based oil composition for actuator rolling bearings containing (A) a fluorine-based oil and (B) a fluorinated ether diamide compound at a ratio by weight of 80 to 9.1 to 20 to 0.1. This composition is much better in torque, outgas and life than... | 07/16/2002 |
| 5746946 | Imidazolidinone derivatives as corrosion inhibitors The invention relates to imidazolidinone derivatives formed from the reaction of (1) a substituted-ethyl imidazolidinone; (2) substituted ethyl/propyl propylene urea or (3) a cyclic propylene urea with: (a) a C1 -C24 alkyl or a C | 05/05/1998 |
| 5626656 | Stock solution of release agent for green sand mold forming A release agent for green sand mold forming contains a hydrocarbon oil as the main lubrication component. The release agent contains a surface active agent as a dispersant and an anion surface active agent and/or a strong basic amine as a wettability impr... | 05/06/1997 |
| 5558805 | Lubricating compositions Crankcase lubricant compositions for use in automobile or truck engines comprise a major amount of a lubricating oil, added copper present in oil-soluble form and an oil-soluble diamine sulphide. The specified additives provide a highly effective antioxid... | 09/24/1996 |
| 5521237 | Alkanolamine esters of acyclic phosphites in polyolefin compositions Selected alkanolamine esters of acyclic phosphites are particularly effective as process stabilizers for polyolefins providing for melt flow stabilization and resistance to discoloration during said processing.... | 05/28/1996 |
| 5296154 | High molecular weight nitrogen-containing condensates and fuels and lubricants containing same Improved additives/detergents for lubricant and fuel compositions are obtained by condensing a hydroxyalkyl or hydroxyaryl compound with an amine compound. The condensates according to the present invention are produced by the acid catalyzed condensation ... | 03/22/1994 |
| 5262072 | Lubricant composition A composition comprising a) a lubricant or a hydraulic fluid, and b) at least one compound of general formula I ##STR1## wherein x is 1 or 2 and, when x is 1, n is 2 and R has the meaning of R1, or, when x is 2, n is 1 and R has the meaning of... | 11/16/1993 |
| 5240622 | Dioxaphosphorinane compounds as stabilizers for organic materials Composition containing an organic polymer, with the exception of epoxy-based polymers, a lubricant, a metal-working fluid or a hydraulic fluid and, as stabilizer, at least one dioxaphosphorinane compound of the formulae ##STR1## wherein R1 | 08/31/1993 |
| 5234612 | Process for the production of ester derivatives useful as fuels and lubricating oil additives and novel esters produced thereby Ester derivatives useful as fuels and lubricating oil additives are prepared by the Michael addition of an alkyl acrylate to an amine to produce an intermediate ester, followed by an ester interchange with the intermediate ester to produce the final ester... | 08/10/1993 |
| 5232615 | Heterocyclic nitrogen compound Mannich base derivatives of polyolefin-substituted amines for oleaginous compositions The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde N-containing polymer adduct (e.g., an ashless nitrogen-containing dispersant or polyolefi... | 08/03/1993 |
| 5224980 | Sulfur containing diamides and antimicrobial use A compound of the formula ##STR1## in which R1 and R2 taken together, and R3 and R4 taken together, independently represent a polymethylene chain having 3 or 4 carbon atoms, or a polymethylene chain having ... | 07/06/1993 |
| 5205949 | Dispersant and VI improver additive and lubrication oil composition containing same An additive composition comprising a graft and derivatized block copolymer prepared from a styrene-ethylenebutylene-styrene characterized in that unsaturation in the styrene blocks is equal to or greater than 50 percent, and the ethylenebutylene block is ... | 04/27/1993 |
| 5200103 | Ethylene alpha-olefin copolymer substituted Mannich base lubricant dispsersant additives The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived ... | 04/06/1993 |
| 5171461 | Sulfur and copper-containing lubricant compositions Copper and sulfur containing compositions, and additive concentrates and lubricating compositions containing the copper and sulfur containing compositions are described. The sulfur compounds have the formula: Y--R1 (S)n --R2 Y | 12/15/1992 |
| 5169548 | Antirust additives for lubricants or greases based on perfluoropolyethers An antirust additive for lubricants based on perfluoropolyethers, comprising one of the fluoropolyether compounds having functionalized end groups selected from --CN, --CH2 NR1 R2 and ##STR1## and in particular a comb... | 12/08/1992 |
| 5075020 | Lubricating composition containing anti-wear/extreme pressure additives Compounds suitable for use as extreme pressure (EP)/anti-wear (AW) agents in lubricating oil compositions, which compounds have the formula: R1 --S--X--S--S--R (I) wherein R1 is either R--S-- or hydrogen, R i... | 12/24/1991 |
| 5071577 | Phosphite derived propylene based multifunctional lubricants and multifunctional lubricant additives Novel phosphite derivatives of propylene based lube olefins are novel lubricating fluid media with internal synergistic multifunctional extreme pressure, antiwear and antioxidant properties. These compounds exhibit the same multifunctional characteristics... | 12/10/1991 |
| 5061388 | Novel phthalonitriles and phthalocyanines as lubricity-enhancing additives Disclosed herein are phthalonitriles of the following formula: ##STR1## wherein R1, R2, and R3 are independently in each occurrence an aryl or phosphazine group; X is independently in each occurrence O, S, S(O), S(O)(... | 10/29/1991 |
| 5017298 | Lubricating composition containing anti-wear/extreme pressure additives Compounds suitable for use as extreme pressure (EP)/anti-wear (AW) agents in lubricating oil compositions, which compounds have the formula: R1 --S--X--S--S--R (I) wherein R1 is either R--S-- or hydrogen, R i... | 05/21/1991 |
| 5002698 | Sulfur- and nitrogen-containing lubricant additives Compositions containing a lubricant, a hydraulic fluid or a metal-working fluid and at least one compound of the formula I ##STR1## in which R, R4, R5 and n are as defined in claim 1, are described. The compounds of the formula ... | 03/26/1991 |
| 4965005 | Aminomethyl derivatives of monothiocarbamates and dithiocarbamates as additives for lubricants Composition containing one or more lubricants or hydraulic oils based on mineral oil, synthetic oils or mixtures thereof and at least one compound of the formulae I, II or III, ##STR1## in which R1, R2, R3, R4 | 10/23/1990 |
| 4959167 | Asymmetric disulfides in lubricant compositions Lubricant compositions or hydraulic fluid compositions containing (a) at least one lubricant or one hydraulic fluid and (b) at least one compound of the formula ##STR1## in which R1 and R2 are identical or different and are each an ... | 09/25/1990 |
| 4957643 | Lubricant compositions Compounds having the formula: ##STR1## wherein: a. R is an organic radical selected from an alkyl group, an alkenyl group, an aryl group or an aralkyl group in which the alkyl or alkenyl groups contain up to 32 carbon atoms and the aryl or aralkyl ... | 09/18/1990 |
| 4956118 | Lubricating composition containing anti-wear/extreme pressure additives Compounds suitable for use as extreme pressure (EP)/anti-wear (AW) agents in lubricating oil compositions, which compounds have the formula: R1 --S--X--S--S--R (I) wherein R1 is either R--S-- or hydrogen, R i... | 09/11/1990 |
| 4946612 | Lubricating oil composition for sliding surface and for metallic working and method for lubrication of machine tools using said composition Disclosed is a lubricating oil composition both for lubrication of sliding surface of machine tools and for lubrication of working part of machine tools which is free from the conventional problems. This composition comprises a reaction product of a dibas... | 08/07/1990 |
| 4904404 | Lubricating oil containing viscosity index improver A lubricating oil contains, as a multifunctional additive, a polymer such as an ethylene - propylene copolymer, bearing graft moieties derived from allyl glycidyl ether, or glycidyl methacrylate as a graft monomer polymer being functionalized with (i) N-v... | 02/27/1990 |
| 4877824 | Sulfur-containing compounds as antioxidants for lubricants and elastomers Compounds of the formula (I) ##STR1## in which the Rs independently of one another are H, phenyl, naphthyl or C7 -C30 alkaryl and R1 is H, C1 -C8 alkyl, C7 -C9 aralkyl, C | 10/31/1989 |
| 4863621 | Sulfur-and nitrogen-containing lubricant additives Compositions containing a lubricant, a hydraulic fluid or a metal-working fluid and at least one compound of the formula I ##STR1## in which R, R4, R5 and n are as defined in claim 1, are described. The compounds of the formula ... | 09/05/1989 |
| 4840741 | Ashless anti-wear additives An anti-wear additive for a functional fluid, such as a lube oil, is disclosed. The additive comprises selected substituted pyridines, pyrimidines, pyrazines, pyridazines and/or fused ring derivatives thereof.... | 06/20/1989 |
| 4839070 | Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants This invention is to dispersants containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ##STR1## wherein Z1 and Z3 are the same or different and are moities of the formula: ##STR2##... | 06/13/1989 |
| 4828742 | Lactone-modified, mannich base dispersant additives useful in oleaginous compositions Poly (C5 -C9 lactone) modified Mannich base adducts are made by reacting a C5 -C9 lactone, an amine, an aldehyde, and a hydrocarbyl substituted, hydroxy aromatic compound, e.g. a polyisobutenyl phenol which, in ... | 05/09/1989 |
| 4812261 | Lubricating oil containing viscosity index improver Lubricating oil of improved dispersancy and anti-oxidancy contains an ethylene-propylene copolymer onto which has been graft polymerized allyl glycidyl ether, the graft polymer having been thereafter functionalized with (i) N-vinyl pyrrolidone and (ii) a ... | 03/14/1989 |
| 4810399 | Aminomethyl derivatives of benzothiazolinethione as lubricant additives The invention relates to lubricant compositions comprising (a) one or more mineral oils or synthetic oils and (b) 0.05 to 5% by weight of at least one compound of formulae I, II and III ##STR1## wherein R1, R2, R3, R4 | 03/07/1989 |
| 4798678 | Hydrocarbon containing anti-oxidant system An oil containing a viscosity index improver of improved oxidative stability contains, as an anti-oxidant system, 2,6-di-t-butylphenol and N-aminoethylpiperazine.... | 01/17/1989 |
| 4781846 | Additives for aqueous lubricant Disclosed is an additive for aqueous lubricants which can provide aqueous lubricants excellent in bacteriocidal action, rust proofness, emulsifiability and dissolvability and show no deterioration during use. This additive contains a piperazine compound r... | 11/01/1988 |
| 4780230 | Lubricating oil containing a mannich base A lubricating oil contains a carbon-carbon backbone polymer containing residual unsaturation and bearing graft moieties derived from graft monomers containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties ... | 10/25/1988 |
| 4758364 | Automatic transmission oil compositions A lubricating oil composition suitable for use in automative transmissions of an automatic type is disclosed. The oil, mineral or synthetic, is combined with specified amounts of C2 -C10 monoolefin polymers and methacrylic acid ester... | 07/19/1988 |
