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| Number | Title | Issue Date |
| 7521401 | Dithiocarbamyl β-hydroxy fatty acid esters as additives for lubricants and fuels Fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, contain dithiocarbamyl β-hydroxy fatty acid esters, a class of anti-corrosion, anti-wear, anti-fatigue, and extreme pressure additives that are derived from epoxidized fatty acid este... | 04/21/2009 |
| 7332072 | Process to prepare a waxy raffinate A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7300565 | Process to prepare a microcrystalline wax and a middle distillate fuel The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compound... | 11/27/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7195828 | Lubricant for magnetic recording medium and use thereof A magnetic recording medium and method for forming the magnetic recording medium are described. The magnetic recording medium includes a magnetic layer formed on a non-magnetic support, and a lubricant layer over the magnetic layer. The lubricant layer includes a co... | 03/27/2007 |
| 7183241 | Long life lubricating oil composition with very low phosphorus content A lubricating oil with very low phosphorus content, and having long life as evidenced by a reduction in viscosity increase, oxidation and nitration, comprises a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of neutral and overba... | 02/27/2007 |
| 7160845 | Dithiocarbamate derivatives useful as lubricant and fuel additives Dithiocarbamate derivative compounds, useful as multifunctional additives for lubricating oils and fuels, are provided and are derived from a reaction product obtained from (a) a di(hydrocarbyl)thiocarbamate intermediate derived from the reaction of a dihydrocarbyla... | 01/09/2007 |
| 7112558 | Lubricant composition containing phosphorous, molybdenum, and hydroxy-substituted dithiocarbamates The invention relates to a lubricating composition comprising a base oil of lubricating viscosity, a hydroxy-substituted dithiocarbamate, an organo-molybdenum compound, and optionally a phosphorous source. ... | 09/26/2006 |
| 6916531 | Lubricant for thin film storage media Embodiments relate to lubricants disposed over magnetic storage media, such as rotatable thin film magnetic discs. One embodiment comprises a lubricant compound of a fluoropolyether chain having one or more carbonyl-imide pairs. For example, the carbonyl-imide pair ... | 07/12/2005 |
| 6887295 | Powder metallurgy lubricants, compositions, and methods for using the same The present invention relates to improved metallurgical powder compositions that incorporate solid lubricants, methods for preparing and using the same, and methods of making compacted parts. Ejection properties, such as stripping pressure and sliding pressure, of c... | 05/03/2005 |
| 6872693 | Mineral gear oils and transmission fluids This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the saturates are aliphatic, and gear oil or transmission fluid additives. I... | 03/29/2005 |
| 6852680 | Dithiocarbamates containing alkylthio and hydroxy substituents This invention relates to a low cost, wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can be used to formulate low phosphorus lubricants. In addition to wear inhibition, the dithiocarbamate compositions of the invention ... | 02/08/2005 |
| 6806241 | Antioxidant additive compositions and lubricating compositions containing the same Disclosed are antioxidant compositions comprising of: (1) an organomolybdenum compound; (2) an alkylated diphenylamine; and (3) a sulfur compound selected from the group consisting of: ... | 10/19/2004 |
| 6743759 | Antioxidant, antiwear/extreme pressure additive compositions and lubricating compositions containing the same This invention relates to improved antioxidant antiwear/extreme pressure compositions consisting of (a) methylenebis(di-n-butyldithiocarbamate) and (b) a diphenylamine derivative of tolutriazole or benzotriazole wherein the (a):(b) mass precent ratio ranges from abo... | 06/01/2004 |
| 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 |
| 6103673 | Compositions containing friction modifiers for continuously variable transmissions A composition comprising of an oil of lubricating viscosity; a shear stable viscosity modifier; at least 0.1 percent by weight of an overbased metal salt; at least 0.1 percent by weight of at least one phosphorus compound; and 0.1 to 0.25 percent by weigh... | 08/15/2000 |
| 6063740 | Grease composition for rolling bearings A grease composition for rolling bearing containing a thiocarbamate derivative represented by the formula (1): ##STR1## wherein R1, R2, R3 and R4 are the same or different groups and denote a hydrocarbon gr... | 05/16/2000 |
| 6001782 | Metal overbased fatty amines further derivatized to contain covalently bound sulfer and/or phorphorus useful as antiwear/extreme pressure additives An antiwear/extreme pressure composition is disclosed that comprises a metal overbased amine of the structure R1 R2 NH(MA)x wherein R1 and R2 are each independently hydrogen, or a hydrocarbyl group, amino-... | 12/14/1999 |
| 5912212 | Lubricating oil composition A lubricating oil composition comprises (A) a base oil, (B) a 3-methyl-5-tert-butyl-4-hydroxyphenyl substituted fatty acid ester in an amount of 0.1-5 percent by mass and (C) an auxiliary component, said auxiliary component being one member of the group o... | 06/15/1999 |
| 5902776 | Additive compositions for lubricants and functional fluids This invention relates to a composition, comprising: (A) a metal, amine or ammonium salt of a compound represented by the formula ##STR1## wherein in Formula (A-I), X1, X2 and X3 and X4 are independently O ... | 05/11/1999 |
| 5880073 | Lubricating oil composition A lubricating oil composition comprising (A) a base oil containing 3% by weight or less of aromatics, 20% by weight or more of monocyclic naphthenes, 50 ppm by weight or less of N and 50 ppm by weight or less of S, having a viscosity (100° C.) of 2 to 50... | 03/09/1999 |
| 5807813 | Lubricating oil composition A lubricating oil composition comprising a base oil, (A) at least one compound selected from the group consisting of molybdenum dithiocarbamate and molybdenum dithiophosphate, and (B) an aromatic compound having at least one functional group selected from... | 09/15/1998 |
| 5789357 | Dithiocarbamyl carboxylic acids and their use as multifunctional additives for lubricating oils Dithiocarbamyl carboxylic acids, useful as multifunctional additives for lubricating oils, possess the general formula: ##STR1## wherein R1 and R2 each independently is a hydrocarbyl group of from 1 to about 60 carbon atoms and ... | 08/04/1998 |
| 5783735 | Process for preparing polymeric amides useful as additives in fuels and lubricating oils A process for preparing polymeric amides is disclosed. The process comprises sequentially reacting a hydrocarbon polymer functionalized (e.g., via the Koch reaction) to contain acid, ester, thioacid and/or thioester groups with a heavy polyamine to form a... | 07/21/1998 |
| 5767046 | Functionalized additives useful in two-cycle engines A hydrocarbon composition functionalized via the Koch reaction which is the reaction product of at least one hydrocarbon having a number average molecular weight of less than 500 and at least one ethylenic double bond per molecule, with carbon monoxide an... | 06/16/1998 |
| 5759965 | Antiwear enhancing composition for lubricants and functional fluids This invention relates to a composition, comprising: (A) a boron-containing overbased material; (B) a phosphorus acid, ester or derivative thereof; and (C) a borated epoxide or borated fatty acid ester of glycerol. In one embodiment the inventive composit... | 06/02/1998 |
| 5726135 | Phosphorus-free and ashless oil for aircraft and turbo engine application Phosphorus-free and ashless high-temperature aircraft and turbo engine lubricant that contains no halogens or hazardous substances is disclosed. The phosphorus-free lubricating oil may be prepared from pentaerythritol tetraester, methylolpropane triester,... | 03/10/1998 |
| 5726132 | Oil composition for improving fuel economy in internal combustion engines This invention relates to compositions for improving fuel efficiency in internal combustion engines. The composition comprises a lubricant having an oil of lubricating viscosity and (A) a compound represented by the formula ##STR1## wherein in F... | 03/10/1998 |
| 5712230 | Additive compositions having reduced sulfur contents for lubricants and functional fluids This invention relates to a composition, comprising: (AT) reaction products of compounds represented by the formula (A)and compounds selected to reduce the polysulfide components of (A); and ##STR1## wherein in Formula (A), R1, R2 | 01/27/1998 |
| 5698498 | Hydroxyalkyl dithiocarbamates, their borated esters and lubricants, functional fluids, greases and aqueous compositions containing the same This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and (A) a minor amount of at least one hydroxyalkyl dithiocarbamate or at least one borate thereof, wherein the dithiocarbamate is derived fro... | 12/16/1997 |
| 5693598 | Low-viscosity lubricating oil and functional fluid compositions This invention relates to a low-viscosity lubricating oil and functional fluid compositions, comprising: a major amount of an oil having a kinematic viscosity of up to about 4 cST at 100° C.; and a minor antiwear amount of (A) a compound represented by t... | 12/02/1997 |
| 5674820 | Additive compositions for lubricants and functional fluids This invention relates to a composition, comprising: (A) a compound represented by the formula ##STR1## wherein in Formula (A-I), R1, R2, R3 and R4 are independently hydrocarbyl groups, X1 and X | 10/07/1997 |
| 5604187 | Grease composition for constant velocity joints A grease composition for constant velocity joints which consists essentially of: (a) a base oil; (b) a diurea compound represented by the following general formula: R1 NH--CO--NH--p--C6 H4 --CH2 --p--C6 H | 02/18/1997 |
| 5589444 | Grease composition for constant velocity joints A grease composition for constant velocity joints consists essentially of: (a) a base oil; (b) an urea thickener; (c) molybdenum disulfide; (d) a calcium salt or an overbasic calcium salt selected from the group consisting of calcium salts or overbasic ca... | 12/31/1996 |
| 5561103 | Functional fluid compositions having improved frictional and anti-oxidation properties Compositions of matter containing self condensation reaction products of alkylthio alkanols and dispersants which are found to have utility in lubricating/functional fluids.... | 10/01/1996 |
| 5445749 | Thiocarbamates for metal/ceramic lubrication Hybrid engines containing a metal-ceramic interface can be lubricated with composition comprising a carrier fluid and a molybdenum thiocarbamate. Friction and wear are low even when detergent and dispersant additives are present in the lubricant.... | 08/29/1995 |
| 5399273 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted nitrogen- or ester-containing ashless dispersant and (B) a bis-keto... | 03/21/1995 |
| 5391310 | Sulfurized aqueous machining fluid composition Aqueous machining fluid compositions, especially aqueous metalworking fluid compositions, are provided that exhibit improved reduction of friction and forces in the mechanical shaping and working of metallic and solid non-metallic workpieces. These compos... | 02/21/1995 |
| 5304314 | Sulfur-containing ester derivatives of arylamines and hindered phenols as multifunctional antiwear and antioxidant additives for lubricants Sulfur-containing ester derivatives of arylamines and hindered phenols have been found to be effective antioxidant and antiwear additives for lubricants.... | 04/19/1994 |
| 5300243 | Lubricant composition A composition comprising a) a lubricant or a hydraulic fluid and b) at least one compound of the general formula I ##STR1## in which x=1 or 2 and, if x=1, R is as defined for R1 or R3 --O-- or, if x=2, R is as defined for R8, a... | 04/05/1994 |
