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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7582225 | High performance phosphate ester hydraulic fluid This application discloses a high performance hydraulic fluid suitable for use as an aircraft hydraulic fluid comprising a major amount of tri(n-butyl)phosphate, a minor amount of a triaryl phosphate and optionally a minor amount of tri(isobutyl)phosphate. The compo... | 09/01/2009 |
| 7371334 | Cooling agents for cooling systems in fuel cell drives containing azole derivatives An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 μS/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic... | 05/13/2008 |
| 7309681 | Ashless lubricating oil composition with long life An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosph... | 12/18/2007 |
| 7255808 | Functional fluid compositions containing erosion inhibitors A phosphate ester-based functional fluid composition incorporating at least one erosion inhibitor selected from the erosion inhibitors of the invention. The phosphate ester-based functional fluids are particularly useful as aviation hydraulic fluids. ... | 08/14/2007 |
| 7244372 | Method for increasing stability of cooling fluid for engine The present invention relates to a method for increasing the stability of cooling fluid for the engine. This invention selects the most preferred conditions, e.g. the composition of the solution, pH value, means and amount of addition, and proportion of silicate add... | 07/17/2007 |
| 7138199 | Fuel cell and fuel cell coolant compositions This invention is directed to coolant compositions, particularly coolant compositions useful in fuel cells, and to fuel cells containing such coolant compositions. The coolant compositions or heat transfer fluids of this invention have and retain low electrical cond... | 11/21/2006 |
| 7122294 | Photoacid generators with perfluorinated multifunctional anions Photoacid generators (PAGs) comprising photoactive moieties and perfluorinated, multifunctional anionic moieties (or incipient anionic moieties) are disclosed which provide photoacids with high acid strength, low volatility and low diffusivity. The present invention... | 10/17/2006 |
| 7030067 | Bis(perfluoroalkanesulfonyl)imides and their salts as surfactants/additives for applications having extreme environments and methods therefor The present invention provides for the use of bis(perfluoroalkanesulfonyl)imide and its salts as surfactants or additives applications having an extreme environment. ... | 04/18/2006 |
| 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 |
| 7018559 | Functional fluid compositions containing epoxide acid scavengers A phosphate ester-based functional fluid composition that generates reduced levels of carboxylic acid during use by incorporating at least one acid scavenger selected from the epoxides of the invention. The phosphate ester-based functional fluids are particularly us... | 03/28/2006 |
| 6998065 | Fluid compositions containing refrigerator oils and chlorine-free fluorocarbon refrigerants A refrigerator oil for use in compressors using therein a hydrogen-containing halogenocarbon as a refrigerant, consisting essentially of as a base oil at least one kind of an ester selected from the group consisting of a specific pentaerythritol ester such as an est... | 02/14/2006 |
| 6984340 | Corrosion inhibiting formulations The present invention relates to formulations for corrosion-inhibiting, emulsifying, lubricating or as a surfactant in organic hydrocarbon and/or water based system containing an acyl amino acid derivative and a triazole derivative. ... | 01/10/2006 |
| 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 |
| 6703355 | Method for lubricating high pressure hydraulic system using phosphate ester hydraulic fluid The present invention is a method for operating a hydraulic system at pressures of about 4000 psi or higher, preferably about 5000 psi or higher by using as the lubricant a phosphate ester hydraulic oil comprising a fire resistant phosphate esters base st... | 03/09/2004 |
| 6652772 | Phosphate ester base stocks comprising mixed n-butyl/isobutyl phosphate esters and aircraft hydraulic fluids comprising the same Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of th... | 11/25/2003 |
| 6649080 | Phosphate ester base stocks and aircraft hydraulic fluids comprising the same Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing a novel combination of phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 45 weight percent, based on the total weight of th... | 11/18/2003 |
| 6599866 | Servo valve erosion inhibited aircraft hydraulic fluids The incorporation of a minor amount of a salt of pentafluorobenzene sulfonic acid to phosphate ester based functional fluids enhances the anti-erosion properties of the fluid.... | 07/29/2003 |
| 6521142 | Fire-resistant hydraulic fluid compositions The present invention relates to fire-resistant hydraulic fluids. More particularly, the invention relates to fire-resistant hydraulic fluid compositions comprising the combination of a trialkoxyalkyl-phosphate, a diluent selected from the group consistin... | 02/18/2003 |
| 6508951 | Low P type coolant composition A glycol-based coolant composition which provides an excellent metal corrosion inhibition despite its low phosphorus content is disclosed. The glycol-based coolant composition contains: (A) 0.1-5.0% by weight of at least one ingredient selected from group... | 01/21/2003 |
| 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 |
| 6391225 | Phosphate ester hydraulic fluids with improved properties (law935) A functional fluid that is particularly useful as an aircraft hydraulic fluid is provided. The fluid contains a major amount of an organo/phosphate ester base stock; based on the total weight of the fluid of from about 0.5 to 10 wt % of certain alkoxylate... | 05/21/2002 |
| 6380139 | Bisdithiophosphoric acid derivatives as lubricant additives There are disclosed compounds of formula I ##STR1## wherein R1 and R2 are each independently of the other C3 -C18 alkyl, C5 -C12 cycloalkyl, C5 -C6 cycloalkylmethyl, C... | 04/30/2002 |
| 6348437 | Silicone oils with improved viscosity stability Silicone organic blends for use as lubricating oils, hydraulic fluids, dielectric fluids, coolants, and in compressor or vacuum pump applications, have improved viscosity stability when the polydispersity of the silicone fluids used in these blends, i.e.,... | 02/19/2002 |
| 6319423 | Phosphate ester base stocks and aircraft hydraulic fluids comprising the same Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing a novel combination of phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 45 weight percent, based on the total weight of th... | 11/20/2001 |
| 6254799 | Phosphate ester base stocks comprising mixed n-butyl/isobutyl phosphate esters and aircraft hydraulic fluids comprising the same Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of th... | 07/03/2001 |
| 6206764 | Methods for machining hard materials using alcohols The present invention provides a method for machining hard materials using the machining fluids containing long chain alcohol in which the machining fluid is applied to a machining tool and then lubricates the machining of the workpiece by the machining t... | 03/27/2001 |
| 6156228 | Trialkoxyalkylphosphate-based fire resistant fluid containing triglyceride The present invention relates to fire-resistant hydraulic fluids. More particularly, the invention relates to fire-resistant hydraulic fluid compositions comprising the combination of a trialkoxyalkyl-phosphate, a diluent selected from the group consistin... | 12/05/2000 |
| 6127323 | Power transmission fluids containing alkyl phosphonates The anti-shudder durability of power transmitting fluids, particularly automatic transmission fluids, is improved by incorporating a combination of alkyl phosphonates, ashless dispersants and metallic detergents.... | 10/03/2000 |
| 6046144 | Combination of phosphate based additives and sulfonate salts for hydraulic fluids and lubricating compositions Disclosed are synergistic antioxidant compositions composed of (1) amine salts of alkyl phosphates and (2) ethylenediamine, ammonium or metal salts of alkylarylsulfonates. The antioxidant compositions are useful for formulating zinc-free antiwear hydrauli... | 04/04/2000 |
| 6030543 | Aircraft hydraulic fluid basestocks The present invention is a composition particularly suitable for use as a base for aircraft non-flammable hydraulic fluids with reduced wear according to the ASTM four ball test. The compositions comprise trialkyoxyalkyl phosphate esters optionally formul... | 02/29/2000 |
| 5972851 | Automatic transmission fluids having enhanced performance capabilities Automatic transmission fluids are described which contain a dispersant having a nitrogen to phosphorus mass ratio between about 3:1 and about 10:1, and at least one friction modifier. The use of dispersants having a nitrogen to phosphorus mass ratio betwe... | 10/26/1999 |
| 5840663 | Power transmitting fluids improved anti-shudder durability The anti-shudder durability of power transmitting fluids, particularly automatic transmission fluids, is improved by incorporating a combination of low potency friction modifiers, alkyl phosphites, specific ashless dispersants and a corrosion inhibitor. T... | 11/24/1998 |
| 5817606 | Viscosity index improving additives for phosphate ester-containing hydraulic fluids Polymer compositions derived from selected alkyl (meth)acrylate ester monomers used in certain weight ratios to provide improved viscosity control and low temperature performance characteristics in phosphate ester aircraft hydraulic fluids is disclosed. P... | 10/06/1998 |
| 5767045 | Hydraulic fluids Hydraulic fluid compositions and additive concentrates are described that provide improved wet filtrability. The additive components comprise a mixture formed from at least (a) a zinc dihydrocarbyl dithiophosphate anti-wear agent, (b) a succinimide compou... | 06/16/1998 |
| 5656577 | Fluid composition for fluid coupling The invention provides a fluid composition for a fluid coupling, which is excellent in viscosity stability and torque stability, and comprises a polyorganosiloxane base oil having a viscosity of 3,000-500,000 mm2 /sec at 25° C. and at least on... | 08/12/1997 |
| 5560849 | Synthetic ester lubricant having improved antiwear properties The antiwear properties of synthetic ester lubricants intended for use at high temperatures (150° C. to 350° C.) are improved by adding to the lubricants a hydrocarbon insoluble, synthetic ester soluble, aryl diphosphate ester composition containing a m... | 10/01/1996 |
| 5552076 | Anhydrous amorphous ceramics as the particulate phase in electrorheological fluids An electrorheological fluid that includes a dispersed particulate phase of anhydrous amorphous ceramic particles. The anhydrous amorphous ceramic particles can be of a very precisely tailored composition that is unavailable in crystalline form, for obtain... | 09/03/1996 |
| 5549838 | Hydraulic working oil composition for buffers A hydraulic working oil composition for buffers which comprises: a lubricating oil as a base oil, [I] at least one phosphorus-containing compound selected from the group consisting of a phosphoric acid having a specific structure and a phosphorous acid ester h... | 08/27/1996 |
| 5487838 | Reaction products of a boron compound and a phospholipid, and lubricant and aqueous fluids containing same This invention relates to a composition prepared by reacting (A) a boron compound and (B) a phospholipid. These phospholipids are useful as lubricant additives for oil-base and water-base functional fluids. These materials act as anti-wear and/or extreme ... | 01/30/1996 |
| 5464551 | Stabilized phosphate ester-based functional fluid compositions A fluid composition suitable for use as an aircraft hydraulic fluid is disclosed. The fluid composition comprises a fire resistant phosphate ester base stock comprising between about 10% and about 100% by weight of a trialkyl phosphate, between about 0% a... | 11/07/1995 |
