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| Number | Title | Issue Date |
| 7923421 | Process for preparing fine powder polyurea and greases therefrom Polyurea compounds are prepared by reacting amines and polyisoyanates in the presence of a liquid diluent in a high-pressure impingement mixing device under conditions sufficient to produce polyurea compounds having the consistency of a powder and in which diluent i... | 04/12/2011 |
| 7696139 | Grease composition for pivot assembly bearing and bearing for pivot assembly A grease composition for a pivot assembly bearing is provided and includes a thickener of 5 to 25% by mass and a base oil of 95 to 75% by mass with respect to the total mass of the thickener and the base oil. Two or more ureas selected from: urea A: a urea comprisin... | 04/13/2010 |
| 7402550 | Rolling bearing A rolling bearing holding two or more rolling elements 13 between inner ring 10 and outer ring 11 in such a way that these rolling elements can freely roll, and packed with a grease is described, wherein the grease is a mixture of at least one o... | 07/22/2008 |
| 7183325 | Deforming agent and/or deaerating agent based on oil-in-water dispersions The present invention relates to novel oil-in-water dispersions which comprise a) at least one water-insoluble oxygen-containing organic substance which is solid at room temperature and b) at least one amide compou... | 02/27/2007 |
| 7078475 | Synergistic amine chain-extenders in polyurea spray elastomers Disclosed are derivatives of isophorone diamine exhibiting a synergistic relationship with other commonly employed chain extenders offering enhanced efficacy with regard to slowing of the polyurea elastomer cure profile, and processes employing their use. According ... | 07/18/2006 |
| 7067463 | Pivot assembly bearing A pivot assembly bearing used in an information storage device maintains its capabilities for a longer period of time under frequent quick starting and stopping by containing a grease composition made up of a base oil, a thickener and an extreme-pressure agent. ... | 06/27/2006 |
| 7053028 | Grease and grease sealed bearing Disclosed is a grease that provides a prolonged lubricating lifetime to applied portions for use at high temperature, and a grease sealed bearing in which the bearing is sealed with this grease. This grease comprises a base oil, a thickener, and an amide-based wax. ... | 05/30/2006 |
| 6967189 | Buffered lubricant for conveyor system A method of lubricating a moving surface is herein described wherein the lubricant composition contains a fatty acid, a neutralization agent, a pH buffer, and a carrier. Also described are compositions in both concentrate and dilute form. The compositions may also c... | 11/22/2005 |
| 6923303 | Over-running clutch pulley with clutch and bearing lubricant The over-running clutch pulley of a preferred embodiment of the invention includes a sheave member (20), a hub member (22) located substantially concentrically within the sheave member, a clutch member (24), a clutch lubricant (26) locate... | 08/02/2005 |
| 6919301 | Grease composition and rolling apparatus A grease composition with a thickener of a calcium sulfonate complex and a second thickener component in a base oil. The second thickener component may be, for instance, polyurea, a metallic soap, a complex metallic soap or an N-substituted terephthalamic acid metal... | 07/19/2005 |
| 6894009 | Grease composition for constant velocity joints A grease composition for constant velocity joints, having a base oil and a urea-based thickener, which grease additionally contains, (A) molybdenum sulphide dialkyldithiocarbamate and (B) 5,5-dithiobis (1,3,4-thiadiazole-2-thiol); a method of lubricating a constant ... | 05/17/2005 |
| 6794342 | Grease composition and rolling bearing lubricated by the grease composition In a grease composition which essentially comprises a base oil and a thickener, a mixture of a urea compound and lithium soap is blended as the thickener. The content of the urea compound in the thickener is preferably set to 20 to 80 wt %. As the urea compound, an ... | 09/21/2004 |
| 6750183 | Lubricating oil composition Lubricating oil compositions providing superior soot dispersing characteristics, which contain a combination of a high molecular weight dispersant and a soot dispersant comprising a linked aromatic oligomer. ... | 06/15/2004 |
| 6727207 | Rolling bearing The present invention is to provide a rolling bearing suitable for the use under a high temperature, high speed, high load and high vibration condition, having a good rust-preventive performance and the excellent flaking life without a hazard to a human body. A roll... | 04/27/2004 |
| 6673750 | Lubricating composition Disclosed is a lubricating composition such as a lubricant, a lubricating grease, or a rust preventive oil for use in a torque limiter and a ball-and-roller bearing; the lubricating composition having chemical attack resistance for a synthetic resin molde... | 01/06/2004 |
| 6667281 | Grease composition A grease composition suitable for use with vehicle electrical equipment and vehicle engine starters is disclosed, which has excellent abrasion resistance and anti-seizure property, long service life, excellent lubricity at low temperatures, and has no adv... | 12/23/2003 |
| 6653263 | Fluorine-containing lubricants The invention relates to the use of formulations containing selected fluorinated components for reducing friction between conveyor systems and the containers transported thereon.... | 11/25/2003 |
| 6653261 | High speed rolling bearing A high speed rolling bearing having a long life, low rotation torque and small leakage amount of a grease, is provided. The high speed rolling bearing is made up of retainers disposed so as to surround respective rolling elements between an outer member a... | 11/25/2003 |
| 6605574 | Grease sealed bearing for automobile Disclosed is a grease sealed bearing for automobile that has the high temperature resistance as well as shear stability, and prevents the noise at low temperature as well as the brittle flaking under high speed rotation and high load. The grease comprises... | 08/12/2003 |
| 6528457 | Composition comprising halogenated oil A composition that can be used as lubricant for high electric field including spark plug boots is disclosed. The composition comprises, or is produced by combining, a halogenated oil such as a perfluoropolyether, a polytrichlorofluoroethylene, a fluorosil... | 03/04/2003 |
| 6511946 | Water-miscible cooling lubricant concentrate Described is a water-miscible cooling lubricant concentrate which comprises natural or synthetic mineral oils, emulsifying agents, corrosion protection additives, solubilizers, means of preservation, metal inhibitors and other conventional additives, and,... | 01/28/2003 |
| 6500788 | Lubricating grease composition An improved lubricating grease composition is herein disclosed, which comprises a base oil and a thickening agent, wherein the base oil comprises 50 to 100% by weight of a carbonate ester compound represented by the following general formula (I): R1 | 12/31/2002 |
| 6498130 | Lubricating grease composition and preparation A grease composition having low noise characteristics is prepared by shearing a mixture of a base oil and a thickener for a time sufficient to reduce substantially all of the thickener to particles below 500 microns in size; and then processing the sheare... | 12/24/2002 |
| 6444621 | Grease composition for steering of motorcars A grease composition for steering of motorcars which comprises the following components (a) to (f): (a) a thickening agent; (b) a base oil having a pour point of not higher that -40° C.; (c) an organic molybdenum compound; (d) melamine cyanurate; (e) pol... | 09/03/2002 |
| 6432889 | Grease composition A grease composition is disclosed which contains a lubricating base oil, and: (A) 2 to 30 wt % of a urea thickener, (B) 0.1 to 20 wt % of a sulfur-containing extreme pressure agent selected from the group consisting of dihydrocarbyl polysulfide, sulfurize... | 08/13/2002 |
| 6432888 | Grease for rolling bearing and grease-sealed rolling bearing The present invention is directed to a grease for a rolling bearing containing poly--olefin synthetic oil or diphenyl ether synthetic oil, a diurea thickening agent, and an organic antimony compound or an organic molybdenum compound. The present in... | 08/13/2002 |
| 6420324 | Defoamers for aqueous media The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I ##STR1## where R1 is a hydrocarbon radical, preferably having 4 to 30 carbon atoms or a hydrocarbon radical, preferably... | 07/16/2002 |
| 6407043 | Lubricating grease composition and preparation Greases having low noise properties are prepared by cycling kettle contents, during at least the initial stage of soap-forming or other thickening, round a processing loop comprising (i) agitation and heating and (ii) shearing. Lithium complex greases are... | 06/18/2002 |
| 6403538 | Grease composition for constant velocity joints Grease composition for constant velocity joints comprising a base oil and urea-based thickener, which grease further comprises, (A) from 0.1 to 10% by weight of an optionally substituted molybdenum-organocyclic compound containing at least 5 ring atoms, w... | 06/11/2002 |
| 6376432 | Low friction grease for constant velocity universal joints, particularly plunging type joints that is compatible with silicone elastomer boots A silicon elastomer compatible constant velocity joint grease comprises a urea grease composed of a lubricating oil and a urea thickener and an effective amount of a friction reducing additive package comprising vermiculite, molybdenum oxysulfide dithioca... | 04/23/2002 |
| 6355602 | Grease composition for constant velocity joint A grease composition for constant velocity joints comprises the following components: (a) a base oil; (b) a diurea type thickening agent represented by the following formula (1): R1 NH--CO--NH--C6 H4 --p--CH2 --C | 03/12/2002 |
| 6352961 | Grease composition for rolling bearing The present invention provides a grease composition which is excellent in peel resistance, not to mention lubricity, as compared with the prior art products. A novel grease composition for rolling bearing is provided, comprising a base oil, an extender, a... | 03/05/2002 |
| 6343682 | One-way clutch A one-way clutch has an annular space through which an outer ring and an inner ring face each other, the outer ring and the inner ring being disposed inside and outside each other in a diameter direction and concentrically with each other. A lubricant for... | 02/05/2002 |
| 6333297 | Constant-velocity universal joint for propeller shaft A constant-velocity joint for a propeller shaft is provided which can be used with good durability without adding any organic lead compound, which is high in the effect of suppressing temperature rise of grease during high-speed rotation, and which can pr... | 12/25/2001 |
| 6319880 | Grease composition for constant velocity joint A grease composition for constant velocity joints comprises the following components: (a) a base oil; (b) a diurea type thickening agent; (c) a molybdenum sulfurized dialkyl dithiocarbamate; (d) molybdenum disulfide; (e) at least one sulfur-phosphorus-con... | 11/20/2001 |
| 6265359 | Imide-Diurea and imide-urethane urea grease thickeners and organic solvent free process for preparation thereof An organic solvent free process for the preparation of a grease thickener which is at least one of an imide-diurea and an imide-urethane urea includes (a) providing approximately equimolar amounts of reagents including dibasic acid selected from the group... | 07/24/2001 |
| 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 |
| 6239085 | Grease composition containing pao, alkylaromatic synthetic fluid and white oil for industrial bearings A grease of enhanced thermal stability and improved soap utilization comprises a major amount of a base oil comprising polyalphaolefin, alkyl aromatic synthetic fluid and white oil and a minor amount of soap thickener.... | 05/29/2001 |
| 6235690 | Urea thickened carbonate ester grease composition An improved lubricating grease composition is herein disclosed, which comprises a base oil and a thickening agent, wherein the base oil comprises 50 to 100% by weight of a carbonate ester compound represented by the following general formula (I): R1 | 05/22/2001 |
| 6214774 | Grease for fan bearing A grease for a bearing of a fan comprises a base oil selected from a various kinds of silicone oils having a viscosity of 30 to 500 mm2 /s at 40 degree-C. and a viscosity of 30,000 mm2 /s or less at -30 degree-C., and a diurea compou... | 04/10/2001 |
