William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8188017 | Organic molybdenum compounds and oil compositions containing the same The present invention provides novel organic molybdenum compounds, the use thereof as friction-modifiers and lubricating compositions which contain said compounds. The organic molybdenum compounds can be represented by the general formula (1) which is indicat... | 05/29/2012 |
| 8183189 | Preparation of a sulfurized molybdenum amide complex and additive compositions having low residual active sulfur The invention is directed to oil soluble additive compositions, lubricating oil compositions derived from a process for preparing a sulfurized oil soluble molybdenum complex having reduced active sulfur comprising: reacting an acidic molybdenum compound with an amid... | 05/22/2012 |
| 8101558 | Lubricating oil compositions A composition containing an oil of lubricating viscosity in a concentrate-forming or major amount; and, as an additive component, an oil-soluble or oil dispersible mononuclear molybdenum compound having a molybdenum atom having bonded thereto one or more diazenide l... | 01/24/2012 |
| 8048833 | Catalytic antioxidants The present invention is directed to lubricating oils exhibiting improved resistance to oxidation and deposit/sludge formation comprising a lubricant base oil and catalytic antioxidants comprising an effective amount of a) one or more polymetal organometallic compou... | 11/01/2011 |
| 7960321 | Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases The present disclosure relates to organic molybdenum complexes prepared by reacting a Mannich base with a source of molybdenum. The complexes may be useful in lubricating oil compositions as at least one of an antioxidant, a deposit control additive, and a friction ... | 06/14/2011 |
| 7884059 | Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases The present disclosure relates to organic molybdenum complexes prepared by reacting a Mannich base with a source of molybdenum. The complexes may be useful in lubricating oil compositions as at least one of an antioxidant, a deposit control additive, and a friction ... | 02/08/2011 |
| 7648949 | Low phosphorus cobalt complex-containing engine oil lubricant Organo-Cobalt complexes having long chain saturated and unsaturated alkyl functionality as multifunctional additives in crankcase oils and the method of preparation thereof. ... | 01/19/2010 |
| 7550414 | Lube based oil and lubricating oil composition Provided is a lube base oil capable of giving a lubricating oil composition which has a low viscosity, but is small in evaporation amount has a low coefficient of friction and excellent adaptability for organic materials, and is suitable for use in a high-temperatur... | 06/23/2009 |
| RE40595 | Lubricant containing molybdenum compound and secondary diarylamine There is disclosed a lubricating oil composition which contains from about 100 to 450 parts per million of molybdenum from a molybdenum compound which is substantially free of active sulfur and about 750 to 5,000 parts per million of a secondary diarylamine. This co... | 12/02/2008 |
| 7335625 | Organoammonium tungstate and molybate compounds, and process for preparing such compounds Novel organoammonium compounds are provided, which are useful as additives for improving the antiwear and friction-reducing properties of lubricating compositions. The compound is formed by reacting a metal acid hydrate with one or more alkyl amines. Particular exam... | 02/26/2008 |
| 7205423 | Process for the preparation of organo-molybdenum compounds This invention is a process for preparation of 2,4-heteroatom-substituted molybdena-3,3-dioxocycloalkane compounds by reacting diol-, diamino, thiol-alcohol- and amino-alcohol-compounds with the following reagents: ammonium molybda... | 04/17/2007 |
| 6962896 | Reduced color molybdenum-containing composition and a method of making same Antioxidant additives for lubricating oils are prepared by reacting an acidic molybdenum compound or salt thereof and a basic nitrogen compound where the temperature of the process does not exceed 120° C., resulting in a product color that is light in intensity. | 11/08/2005 |
| 6919300 | Penetrating lubricant composition A protective lubricating composition is provided which will penetrate readily to closely fitting frictional parts and form a protective non-migrating lubricating film improving lubrication between the moving parts reducing friction and wear and preventing corrosion.... | 07/19/2005 |
| 6914037 | Molybdenum-containing lubricant additive compositions and processes for making and using same The invention relates to an improved process for producing organomolybdenum compositions with high molybdenum content that are highly useful as lubricant additives, in which the process involves reacting a fatty oil with a diamine, followed by reaction with a molybd... | 07/05/2005 |
| 6878676 | Nanosized particles of molybdenum sulfide and derivatives, method for its preparation and uses thereof as lubricant additive A lubricant composition is disclosed that comprises: (a) a lubricant and (b) at least one molybdenum-containing compound in the form of surface-capped nanosized particles of the general formula: (Z)n(X—R)m wherein Z is an inorganic moiety com... | 04/12/2005 |
| 6841521 | Methods and compositions for reducing wear in heavy-duty diesel engines Disclosed are methods and lubricant compositions for reducing wear in heavy-duty diesel engines. The lubricant compositions disclosed herein comprise a combination of an anti-wear effective amount of a dispersed, hydrated alkali metal borate, a neutral sulfonate and... | 01/11/2005 |
| 6797677 | Antioxidant combination for oxidation and deposit control in lubricants containing molybdenum and alkylated phenothiazine The invention relates to a lubricating oil composition having improved antioxidant properties, and which contains a molybdenum compound and an alkylated phenothiazine. Further, it may also include a secondary diarylamine, preferably an alkylated diphenylamine. This ... | 09/28/2004 |
| 6734148 | Dispersants and lubricating oil compositions containing same A boron-containing dispersant composition containing one or more dispersants that are the reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, in which at least one of the dispersants has a polyalkenyl moiety... | 05/11/2004 |
| 6734147 | Lubricant compositions and methods A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in w... | 05/11/2004 |
| 6645921 | Molybdenum-containing lubricant additive compositions, and processes for making and using same The invention relates to an improved process for producing organomolybdenum compositions with high molybdenum content that are highly useful as lubricant additives, in which the process involves reacting a fatty oil with a diamine, followed by reaction wi... | 11/11/2003 |
| 6528463 | Oil soluble molybdenum compositions Organic molybdenum complexes comprising the reaction products of a long-chain mono carboxylic acid, a mono-alkylated alkylene diamine, glycerides, and a molybdenum source and their use as multifunctional additives for lubricating compositions.... | 03/04/2003 |
| 6509303 | Oil soluble molybdenum additives from the reaction product of fatty oils and monosubstituted alkylene diamines Organic molybdenum complexes comprising the reaction products of fatty oils, a mono-alkylated alkylene diamine, and a molybdenum source and their use as multifunctional additives for lubricating compositions.... | 01/21/2003 |
| 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 |
| 6329327 | Lubricant and lubricating composition A lubricating composition containing an organic molybdenum compound having excellent oxidation stability that provides lubricity for long periods of time is provided. The lubricant comprises a molybdenum amine compound obtained by reacting a compound cont... | 12/11/2001 |
| 6103674 | Oil-soluble molybdenum multifunctional friction modifier additives for lubricant compositions A lubricating oil additive is disclosed that comprises the reaction product of: (a) an unsaturated or saturated ester or acid, (b) a diamine of the formula: ##STR1## (c) carbon disulfide, and (d) a molybdenum compound, wherein R8 is an alkyl gr... | 08/15/2000 |
| 5837657 | Method for reducing viscosity increase in sooted diesel oils The present invention is directed to a method for improving the performance of a sooted diesel oil and controlling soot induced viscosity increase by adding to a major amount of a diesel oil a minor amount of a composition comprising at least one compound... | 11/17/1998 |
| 5830577 | Surface having a coating of a host multidentate ligand and a reversibly trapped lubricant The lubricant layer according to the present invention is used in a thin film magnetic recording medium in which a solid surface sliding at a high speed is required to retain its lubricating performance and abrasion resistance for a long period of time, c... | 11/03/1998 |
| 5811378 | Metal containing dispersant-viscosity improvers for lubricating oils A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising (a) a hydrocarbon polymer grafted with an ,ଲ-ethylenically unsaturated carboxy... | 09/22/1998 |
| 5628804 | Polyether esteramide containing additives and methods of making and using same A polyether esteramide reaction product effective as a fuel additive for reducing intake valve deposits and octane requirement increase, as well as controlling combustion chamber deposits, in gasoline engines is disclosed together with fuel compositions a... | 05/13/1997 |
| 5412130 | Method for preparation of organic molybdenum compounds A novel process for the preparation of 2,4-heteroatom substituted-molybdena-3,3-dioxacycloalkane compounds by reacting diol-, diamino-, thiol-alcohol and amino-alcohol compounds with a molybdenum source and in the presence of a phase transfer agent of the... | 05/02/1995 |
| 5356548 | 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosion Compounds of the formula ##STR1## wherein X is an anion selected from the group consisting of phosphate, borate and molybdate groups, and a method for making these compounds. The compounds are useful in the control of microorganisms in aqueous system... | 10/18/1994 |
| 5256323 | Compositions containing 2,2',2"-nitrilotriethanol cyclometalates Compositions comprising a) a functional liquid or an internal combustion engine fuel and b) at least one compound of the general formula I ##STR1## wherein R1 is --(CH2 --X)n --R, where X=--S-- or --O--, n=0 or 1 and R is... | 10/26/1993 |
| 5254273 | Grease composition A grease composition comprises a base oil and a particular amount of at least one intercalation compound consisting of a metal phosphorus chalcogenide as a host and an alkylamine or alkylammonium chloride as a guest, and has excellent extreme pressure pro... | 10/19/1993 |
| 5147567 | Synthetic lubricating oil greases containing metal chelates of Schiff bases This invention relates to a method and composition for improving the corron resistance and anti-wear properties of synthetic lubricating oil greases comprising the addition to said greases of effective amounts of a chelated Schiff base derived from the c... | 09/15/1992 |
| 5106519 | Conditioning additive for metal working bath A conditioning additive for an oil-in-water emulsion metal working bath includes a copper-amine complex and may further include a molybdenum-amine complex. The complexes may comprise the reaction product of alkanolamines and salts of the metals. The addit... | 04/21/1992 |
| 4886610 | Lubricant compositions, novel glucamine derivatives and complex compounds containing same The invention relates to compositions comprising a lubricant or a hydraulic fluid and at least one compound of the general formula ##STR1## wherein n is 2, 3 or 4, X is --S--, --O--, --O--CO--or --CH2 --, R1 is C1 -C | 12/12/1989 |
| 4692256 | Molybdenum-containing lubricant composition A lubricant composition comprises as essential ingredients a sulfur compound and an oil-soluble molybdenum compound, obtained by reacting one or more of hexavalent molybdenum compounds selected from the group consisting of molybdenum polyoxide, molybdic a... | 09/08/1987 |
| 4663061 | Metal-working oil composition A metal-working oil composition containing the following three components (A), (B) and (C) as its essential components: (A) one or more lube-oil components selected from the group consisting of oils, fats, mineral oils and fatty acid esters; (B) a cationic or ... | 05/05/1987 |
| 4647388 | Tertiary amine salt-molybdenum lubricant additive The present invention provides a lubricant additive obtainable by the reaction of a salt of a tertiary amine, which, as N-substituents, contains two polyethylene oxide residues with two or more ethylene oxide groups, the free hydroxyl groups of which can ... | 03/03/1987 |
| 4564461 | Method for the mechanical working of cast iron and an aqueous concentrate to be used in the method Mechanical working of cast iron is performed in the presence of an aqueous metalworking composition containing an organic copper (II) complex and an iron corrosion inhibitor. An aqueous concentrate, which after dilution with water is suitable for applicat... | 01/14/1986 |