Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8188020 | Lubricating oil composition containing an alkali metal detergent The present invention provides overbased detergents as lubricating additives effective for the lubrication of mechanical components in land and marine engines, such as, for example, hydraulic systems, transmissions, two-stroke and four-stroke vehicular engines, and ... | 05/29/2012 |
| 7906469 | Lubricating oil compositions Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent providing the lubricating oi... | 03/15/2011 |
| 7371710 | Lubricating oil composition Lubricating oil compositions particularly suitable for automatic transmissions comprising a lubricating base oil, (A) a boron-containing ashless dispersant in an amount of 0.02 to 0.1 percent by mass in terms of boron, based on the total mass of the composition, (B)... | 05/13/2008 |
| 7358217 | Quenching oil compositions Quenching oil compositions comprising (1) an oil having kinematic viscosity (ASTM Test Method D-445) at 40° C. ranging from about 4 to about 45 mm2sec−1 (about 40 to about 210 Saybolt Universal Seconds (SUS)) and having a saturated content from about 80% to about... | 04/15/2008 |
| 7285516 | Additive formulation for lubricating oils Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions. ... | 10/23/2007 |
| 7163911 | Carboxylated detergent-dispersant additive for lubricating oils The present invention provides a novel unsulfurized, carboxylate-containing additive for lubricating oils, comprising a mixture of alkaline earth metal salts (hydrocarbyl phenate/hydrocarbyl salicylate) and a reduced amount of unreacted hydrocarbyl phenols, as well ... | 01/16/2007 |
| 7148186 | Lubricant oil composition for diesel engines (LAW964) The present invention provides a lubricant oil composition, having enhanced wear-preventive characteristics for a diesel engine operating with large quantities of soot in the oil (soot content: 0.2 to 4.0 wt. %), and is especially suitable for a pressure-accumulatin... | 12/12/2006 |
| 7026273 | Lubricating oil compositions A crankcase lubricating oil composition comprises an oil of lubricating viscosity, in a major amount, and, in respective minor amounts, a boron-containing additive and one or more co-additives, wherein the lubricating oil composition has greater than 200 ppm by mass... | 04/11/2006 |
| 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 |
| 6869919 | Lubricating oil compositions Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines equipped with EGR systems can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and/or dispersants. ... | 03/22/2005 |
| 6828286 | Lubricant compositions Lubricant compositions comprises a lubricant base oil and one or more compounds resulting the modification of a succinimide represented by formula (1) or (2) wherein R1 and R2 may be the same or d... | 12/07/2004 |
| 6800595 | Grease composition with improved rust prevention and abrasion resistance properties A grease composition having a base oil and a thickener, which grease additionally has from 0.05% to 30% by weight of sodium thiosulphate and at least 0.1% by weight of one or more additives selected from the group of: calcium salicylate, magnesium salicylate, calciu... | 10/05/2004 |
| 6784143 | Lubricating oil composition The use, in a minor amount, of a detergent composition comprising one or more metal detergents which comprises metal salts of organic acids, wherein the detergent composition comprises more than 50 mole %, based on the moles of the metal salts of organic acids in th... | 08/31/2004 |
| 6764982 | Lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil; and a phosphorus-containing compound represented by the formulae wherein in Formulae (B-I) and (B-II), R1, R2 and... | 07/20/2004 |
| 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 |
| 6743757 | Dispersants and lubricating oil compositions containing same A dispersant that is a reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, wherein the reaction product has from greater than about 1.3 to less than about 1.7 mono- or di-carboxylic acid producing moieties p... | 06/01/2004 |
| 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 |
| 6720294 | Lubricating oil compositions A lubricating oil composition comprising, as a detergent, metal salt of a long chain hydrocarbyl-substituted organic acid, at a concentration of not more than 15 mmol/kg oil. ... | 04/13/2004 |
| 6596674 | Metal working lubricants and their use The invention is a liquid composition of matter useful as a metal working lubricant. The composition comprises a primary lubricity component, such as a polyether or polyether ester, and dissolved salts of carboxylic acids. The composition preferably conta... | 07/22/2003 |
| 6583092 | Lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil; (B) an alkali or alkaline earth metal salt of a saligenin derivative; (C) an alkali or alkaline earth metal salt of a hydrocarbon-substituted salicylic acid, and (D) a me... | 06/24/2003 |
| 6525006 | Lubricant composition A lubricant composition comprises (1) at least one member selected from the group consisting of carboxylic acid compounds each obtained by the addition of an oxyalkylene group to a hydroxyl group of a hydroxy carboxylic acid and alkali metal salts and ami... | 02/25/2003 |
| 6482778 | Zinc and phosphorus containing transmission fluids having enhanced performance capabilities Transmission fluid compositions comprising a zinc detergent and at least one phosphorus-containing additive have enhanced performance capabilities. The use of the zinc detergent and the phosphorus-containing additive provide transmission fluids that exhib... | 11/19/2002 |
| 6465399 | Lubricant composition The present invention is a lubricant composition, composed of a lubricant base oil containing: a (poly)glyceryl ether represented by the following general formula (1) ##STR1## (wherein R1 represents a hydrocarbon group and n represents a numera... | 10/15/2002 |
| 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 |
| 6391833 | Low sulfur lubricant composition for two-stroke engines A low sulfur detergency additive suitable for lubricant composition used in air-cooled two-stroke cycle engines having an unsulfurized alkaline earth alkylsalicylate and optionally a molybdenum compound.... | 05/21/2002 |
| 6340659 | Metal salts of lactones as lubricant additives Lubricants which comprise, as an additive a salt of the reaction product of (i) glyoxylic acid or a hydrocarbyl substituted glyoxylic acid and (ii) a hydroxyaromatic compound, at least a portion of the molecules of which are alkyl-substituted, are useful ... | 01/22/2002 |
| 6329328 | Lubricant oil composition for internal combustion engines The present invention provides for a lubricant oil composition for internal combustion engines for automobiles with enhanced friction loss reduction and is especially suitable for a pressure-accumulating (common rail) type diesel engine equipped with an E... | 12/11/2001 |
| 6310010 | High molecular weight dispersant compositions and their preparation Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one surface-active agent c... | 10/30/2001 |
| 6262001 | Unsulfurized, alkali meta-free, additive for lubricating oils An unsulfurized, alkali metal-free, detergent-dispersant composition having from 40% to 60% alkylphenol, from 10% to 40% alkaline earth alkylphenate, and from 20% to 40% alkaline earth single aromatic-ring alkylsalicylate. This composition may have an alk... | 07/17/2001 |
| 6235688 | Detergent containing lithium metal having improved dispersancy and deposit control Non-thixotropic, sodium-free lubricant additive having from 10% to 50% of a liquid organic diluent and from 30% to 90% of a substituted hydrocarbaryl metal salt. At least 30 mole percent of the metal in the metal salt is lithium, and the salt is essential... | 05/22/2001 |
| 6214778 | Polyurea-thickened grease composition A grease composition comprising a major amount of an oil of lubricating viscosity; a thickener selected from the group consisting of monoureas, diureas, triureas and polyureas, or mixtures thereof; and an oil soluble neutral or overbased zinc salt of a ca... | 04/10/2001 |
| 6140279 | Concentrates with high molecular weight dispersants and their preparation Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature:(i) at least one high molecular weight ashless dispersant;(ii) at least one oil-soluble overbased metal detergent; and (iii) at least one other concentrate additi... | 10/31/2000 |
| 6140282 | Long life lubricating oil composition using particular detergent mixture A long life lubricating oil 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 high TBN, medium TBN and low/neutral TBN detergents ... | 10/31/2000 |
| 6140281 | Long life lubricating oil using detergent mixture A lubricating oil of enhanced life as evidenced by a reduction in viscosity increase, nitration, and TBN depletion and equivalent or improved oxidation and TAN increase performance relative to commercial oils comprises a major amount of a base oil of lubr... | 10/31/2000 |
| 6048825 | Lubricant composition A lubricant composition suitable as a helicopter transmission lubricant comprises a synthetic base stock of viscosity in the range 5.0 to 10.0 cSt at 100° C., an antioxidant component, a neutral organic phosphate component, a dicarboxylic acid component,... | 04/11/2000 |
| 5922656 | Lubricant compositions for automatic transmissions The lubricant composition of the present invention can be used in automatic transmissions and contains 0.05 to 2% of a metallic salt of organic acid (component (A)), such as calcium sulfonate, 0.15 to 4% of a specific polyamide compound (component (B)) an... | 07/13/1999 |
| 5900392 | Aqueous belt lubricant composition based on fatty alkyl propylene tettramines and fatty alcohol polyglycol ethers and method for lubricating belt conveyor systems An aqueous belt lubricant composition comprising water and from 1.0 to 10 wt % of at least a fatty alkyl propylene tetramine, from 1.0 to 10 wt % of at least a fatty alcohol polygylcol ether, all percentages are based on the total weight of the aqueous be... | 05/04/1999 |
| 5895777 | Petroleum additive having excellent storage stability and heat stability comprising an alkaline earth metal salt of aromatic hydroxycarboxylic acid or a sulfurized mixture thereof A petroleum additive having excellent storage stability and heat stability, which comprises an alkaline earth metal salt of aromatic hydroxycarboxylic acid containing a higher aliphatic carboxylic acid, a higher aliphatic amine or a higher aliphatic amide... | 04/20/1999 |
| 5856280 | Sulfur-containing carboxylic acid derivatives to reduce deposit forming tendencies and improve antioxidancy of aviation turbine oils The present invention resides in a turbo oil composition exhibiting enhanced antioxidancy and resistance to deposit formation, and to a method for achieving that result in turbo oils. The gas turbine lubricating oil of the present invention comprises a ma... | 01/05/1999 |
| 5827805 | Condensates of alkyl phenols and glyoxal and products derived therefrom Compositions represented by the structures ##STR1## where Ar represents an aromatic group, each R is independently a hydrocarbyl group, at least one R having more than 12 carbon atoms, a is 1 to 4, and R' is hydrogen or alkyl, are useful as lubricant... | 10/27/1998 |
