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7608198 |
Heat transfer compositions with high electrical resistance for fuel cell assemblies
The present invention relates generally to heat transfer compositions. More particularly, the present invention relates to heat transfer compositions with high electrical resistance for use in...
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7588695 |
Antifreeze concentrates and coolant compositions based on polyglycols and amides for protecting magnesium and the alloys thereof
Ready-to-use aqueous coolant compositions having alkylene glycols, glycerol and/or 1,3-propanediol and a) from 0.05 to 10% by weight, based on the total amount of the composition, of one or more...
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7541403 |
Thermal interface material
A thermal interface material includes 100 parts by weight of base oil including amino-modified silicone fluid and at least one of methylphenylsilicone fluid and fluorosilicone fluid, and 800 to...
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7501196 |
Coolant and cooling system
A coolant comprising a nonaqueous base. A phase change material may be dispersed or a highly heat conductive material may be dispersed or dissolved in the nonaqueous base. A nonaqueous coolant for...
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7481948 |
Heat transfer compositions with high electrical resistance for fuel cell assemblies
The present invention relates generally to heat transfer compositions. More particularly, the present invention relates to heat transfer compositions with high electrical resistance for use in...
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7462295 |
1,3,5-benzene tricarboxylic acid coolant composition
A coolant composition having anticorrosion properties against both aluminum and magnesium is provided. A coolant composition comprises a melting point depression agent selected from glycols and...
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7452480 |
Heat exchange fluids
Carboxylate salts of amines are used as components of heat exchange fluids. The amines may have a ratio of N to C of 1:0 to 1:12 and the carboxylate anion may be derived from an acid of the formula...
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7435359 |
Corrosion inhibiting heat transfer materials
An anti-corrosion composition for use with a liquid or the liquid resulting from the addition of components is provided. The composition can include an acid, a phosphate ester of an alcohol, an...
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7419618 |
Coolant comprising azole derivatives for cooling systems in fuel-cell drives
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...
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7410598 |
Chemical base for fuel cell engine heat exchange coolant/antifreeze
A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal...
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7407599 |
Acid based antifreeze composition
The present invention relates to a carboxylic acid based antifreeze coolant formulation for heavy duty applications such as for diesel engines which may be used for inhibition and prevention...
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7404911 |
Heat-transfer media having improved thermal stability and based on higher polyglycols
The present invention relates to heat-transfer concentrates for solar installations, containing
a) from 92 to 99% by weight of at least one polyglycol of the formula R—O—(CH 2 —CH 2 —O) n...
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7393464 |
Cooling agents for cooling systems in fuel cell drives
The invention relates to antifreeze concentrates for cooling systems in fuel cell drives, from which are produced ready-to-use aqueous cooling agent compositions having a maximum conductivity of 50...
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7387748 |
Antifreeze coolant composition for high temperature applications
The present invention comprises an improved antifreeze coolant composition with certain additives that serve to increase the thermal stability of the glycol component of a glycol/water coolant...
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7344655 |
Coolant, method of enclosing coolant, and cooling system
A coolant used for cooling down a stack of fuel cells includes: a solution mixture of water and a glycol as base material; and a rust-preventive additive that functions to keep an electric...
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7309453 |
Coolant capable of enhancing corrosion inhibition, system containing same, and method of manufacturing same
A coolant capable of enhancing corrosion inhibition includes a potassium formate solution having a first concentration of a polyphosphate salt and a second concentration of dicyandiamide. In one...
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7309452 |
Phenolate-containing formulation with low freezing point
The present invention discloses an aqueous phenolates-containing liquid formulation having a solidification point of less than or equal to −10° C. which is characterized by comprising the...
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7306750 |
Carboxylate salts in heat-storage applications
The application of carboxylate salts for storing thermal energy is disclosed. The invention is directed to methods for the storage and use of thermal energy comprising contacting mixtures of alkali...
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7270768 |
Environmentally benign anti-icing or deicing fluids employing triglyceride processing by-products
Deicing compositions comprised of glycerol-containing by-products of triglyceride processing processes are disclosed.
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7270766 |
Feed water composition for boilers
“Disclosed is a feed water composition for boilers whose main ingredient is a purified ethylene glycol aqueous solution that is a mixture of purified ethylene glycol and pure water in a weight...
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7258814 |
Coolant composition and methods of use thereof
The present invention provides a coolant composition having a glycol as a main component, which prevents iron and aluminum from being corroded, and in particular, has excellent corrosion preventing...
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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...
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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,...
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7060198 |
Heat exchange fluids comprising amine carboxylates
Carboxylate salts of amines are used as components of heat exchange fluids. The amines may have a ratio of N to C of 1:0 to 1:12 and the carboxylate anion may be derived from an acid of the formula...
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7048875 |
High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same
High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid...
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7001531 |
Sustained release coolant additive composition
A coolant additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a coolant when released...
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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...
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6984339 |
Antifreeze composition
Antifreeze agent containing alkylene glycol, chlorine containing inorganic chloride, sweeteners like sorbitol, provides prominent antifreezing point depression effects by use of small volume.
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6953534 |
Engine antifreeze composition
In general this invention relates to an antifreeze composition that can be used in the cooling systems of internal combustion engines, for example, in heavy-duty diesel engines, light duty trucks...
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6916430 |
Superconducting heat transfer medium
This is a superconducting heat transfer medium which may be placed in a a conduit to rapidly and efficiently transfer heat.
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6881355 |
Antifreeze
The present invention relates to antifreeze concentrates comprising
a) from 0.05 to 10% by weight of one or more sulfonated or sulfated polyglycols of the formula
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6818147 |
Antifreeze concentrate containing the colorant C.I. Reactive Violet 5
Antifreeze concentrates based on alkylene glycols or derivatives thereof or on glycerol, comprising from 0.0005 to 0.1% by weight of the dye C.I. Reactive Violet 5 (Color Index No. 18097), based on...
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6818146 |
Chemical base for engine coolant/antifreeze with improved thermal stability properties
A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal...
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6797192 |
Process for the manufacture of temperature-sensitive polymers with binary heat transfer fluid system
The invention relates to a process for the manufacture of temperature-sensitive polymers having generally a melting point in the range of from 230° C. to 248° C. with the aid of a binary heat...
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6733687 |
Hybrid supplemental coolant additive
In general, this invention relates to supplemental coolant additive for use in cooling systems, for example, in diesel engine cooling systems. The supplemental coolant additive includes a C 4 -C 6 ...
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6659123 |
Maintaining readiness in fire hydrants
Fire hydrants are protected from freezing by including potassium formate, preferably at least 10% by weight, in the water enclosed in them during nonuse.
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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...
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6645403 |
Multiphase electrorheological fluid
Disclosed herein is a multiphase electrorheological fluid having an improved yield stress and stability. The multiphase electrorheological fluid comprises a first liquid phase component as a...
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6635189 |
Electro-rheological fluid comprising dried water-soluble starch as a conductive particle
The ER fluid comprising water-soluble starch as conductive particles contains less than 5 wt % water. The ER fluid of the present invention comprises water-soluble starch as a conductive particle...
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6558569 |
Low viscosity functional fluids compositions
Low viscosity functional fluid compositions particularly useful as brake fluids in anti-lock brake systems comprising a borate ester component, an alkoxy glycol component and an additive package...
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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)...
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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...
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6447692 |
Nanometer sized phase change materials for enhanced heat transfer fluid performance
A composition for enhanced heat transfer fluid performance, comprising a base heat transfer fluid and a nanometer sized phase change material. Introduction of nanometer sized phase change material...
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6391257 |
Antifreeze compositions comprising carboxylic acid and cyclohexenoic acid
This invention relates to antifreeze compositions comprising a mixture of organic acid corrosion inhibitors. The compositions comprise (a) from about 90% to about 99.89% by weight of a liquid...
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6379582 |
Crosslinked co-polymer composition for thermal energy storage
The invention is a composition for thermal energy storage in heating or cooling items. The composition includes a crosslinked alkali metal polyacrylamide or polyacrylate/polyacrylamide copolymer....
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6309559 |
Silicate-, borate-and phosphate-free cooling fluids based on glycols and having improved corrosion behavior
The invention relates to a coolant concentrate comprising a) from 0.1 to 6% by weight of at least one monocarboxylic and/or dicarboxylic acid having from 4 to 16 carbon atoms in the form of...
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6299794 |
Anhydrous phosphate-free anti-corrosive antifreeze formulation
The invention provides a phosphate-free anhydrous anhydrous anti-corrosive antifreeze formulation composed of propylene glycol and small but effective amounts of borate, molybdate, nitrate,...
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6280658 |
Rheological fluid
A rheological fluid of a bright color which has excellent light resistance and weather resistance, is stable even when used in a high-temperature environment, can be stored over long, and mightily...
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6251840 |
Lubrication fluids for reduced air entrainment and improved gear protection
A lubricating/functional fluid composition which exhibits in use improved antiwear and antifoaming properties. The improvements result from use of 2,5-dimercapto-1,3,4-thiadiazole and derivatives...
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6228283 |
Aqueous corrosion inhibitor
The present invention provides heavy duty long life corrosion inhibition formulations and compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion...
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