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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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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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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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7390428 |
Compositions with nano-particle size conductive material powder and methods of using same for transferring heat between a heat source and a heat sink
A heat transfer composition and methods for using same to transfer heat in a transformer. In one embodiment, a heat transfer composition has soy-based oil, an additive comprising a nano-particle...
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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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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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7025898 |
Heating medium composition, and method for feeding an oxidation inhibitor to a heat exchange apparatus
A heating medium composition for suppressing deterioration of both a metal piping and a synthetic resin piping. The heating medium composition contains an antifreeze ingredient, water, a corrosion...
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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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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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6893582 |
Method of heating a fluid using a line heater comprising an alkali metal formate
A heat transfer fluid comprising potassium formate is used to good effect in line heaters for heating natural gas in gas transmission lines, and for other uses. The solution is heated in a liquid...
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6858157 |
Compositions with nano-particle size diamond powder and methods of using same for transferring heat between a heat source and a heat sink
A heat transfer composition and methods for using same to transfer heat in a transformer. In one embodiment, a heat transfer composition has soy-based oil, an additive comprising a nano-particle...
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6846431 |
Environmentally benign, non-toxic, non-corrosive engine coolant/antifreeze
A liquid antifreeze which is produced from renewable resources, and which is biodegradable, non-toxic, and is non-corrosive to engines is provided. The liquid antifreeze composition for use as an...
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6835323 |
Aqueous hydraulic medium
The invention relates to an aqueous composition comprising a salt of formic acid for use as a hydraulic medium in hydrostatic transmission of power.
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6818145 |
Antifreeze/coolant composition
A durable antifreeze/coolant composition for coolants for the cooling systems of internal combustion engines is disclosed. The composition is excellent in inhibiting corrosion of metal portions,...
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6803351 |
Biodegradable machine tool coolant
A new additive for water based metal cutting and grinding coolant comprises a combination of soybean oil and surfactant, the surfactant being a nonoxynol or alcohol based detergent that is...
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6802988 |
Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them
Antifreeze concentrates are based on a mixture of at least two different C 3 - to C 16 -dicarboxylic acids, molybdate and a mixture of at least two different triazoles or thiazoles.
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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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6723254 |
Frost resistant heating/cooling fluid
Frost resistant, aqueous cooling/heating fluid containing alkali salts of acetic acid and/or formic acid and which as a corrosion inhibitor contains a mixture of a C 5 -C 16 monocarboxylic acid or...
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6689289 |
Synergistic combinations of carboxylates for use as freezing point depressants and corrosion inhibitors in heat transfer fluids
An aqueous fluid composition having a C 1 -C 2 carboxylic acid salt and a C 3 -C 5 carboxylic acid salt is used as a heat transfer fluid that provides improved heat transfer properties and...
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6676848 |
Corrosion inhibitors and synergistic inhibitor combinations for the protection of light metals in heat-transfer fluids and engine coolants
Corrosion protection of magnesium and aluminum alloys in engine coolants and heat-exchange fluids is achieved by the use of a select group of aliphatic and aromatic carboxylate acids or the...
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6524497 |
Ice storage element with thickened ice storage medium
An ice storage element ( 28 ), especially for the auxiliary air conditioning system of a motor vehicle, with a hollow body for forming at least one storage space ( 34 ) for an ice storage medium (...
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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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6406643 |
Hydraulic oil based on esters of tall oil and method for its manufacturing
Hydraulic oil including an ester of tall oil obtained with at least one polyvalent alcohol selected from the group consisting of a polyhydroxy compound of neopentane and poly(ethyleneglycol), an...
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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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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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6235217 |
Monocarboxylic acid based antifreeze composition
A monobasic carboxylic acid is used with low levels of molybdate and a triazole compound to produce a well balanced corrosion inhibiting formulation with very low solids to minimize potential...
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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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6221276 |
Heat transfer liquid with potassium formate for ventilation and air conditioning installations
The invention relates to a heat transfer liquid for ventilation and air-conditioning installations to be used at low temperatures, in which installations heat is recovered from the exhaust air and...
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6203719 |
Extended engine coolant lifetime through polymeric polycarboxylate secondary silicate stabilization
The present invention provides corrosion inhibition formulations and compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the...
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6146546 |
Freezable coolant composition
Disclosed is a freezable coolant composition used for cold-preservation of, e.g., foods by utilizing the latent heat of fusion at the freezing point which is substantially higher than 0° C. and in...
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6143243 |
Method of inhibiting cavitation-erosion corrosion of aluminum surfaces using carboxylic acid based compositions comprising polymerizable-acid graft polymers
This invention relates to a method of inhibiting the cavitation-erosion corrosion of aluminum surfaces. The method comprises the step of contacting the aluminum surface with a formulation...
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6126851 |
Antifreeze/coolant composition containing p-toluate and a molybdate
A glycol-based antifreeze/coolant concentrate to be blended in coolant in a cooling system of a vehicle is disclosed, which can effectively inhibit occurrence of cavitation damage in the cooling...
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6096235 |
Electrorheological fluid composition comprising an electrically insulating oil and dielectric particles of polymer grafted carbon black dispersed thereon
An electrorheological fluid composition comprises dielectric particles as a disperse-phase and an electrically insulating oil as a dispersion medium, wherein the dielectric particle has a polymer...
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6093341 |
Heat transfer medium based on alkylene glycols for solar units
The invention relates to a concentrate for a heat transfer medium for solar units, comprising a) from 45 to 98% by weight of triethylene glycol and/or tetraethylene glycol, b) from 1 to 55%...
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6080331 |
Glycol based antifreeze concentrates inhibited with monocarboxylic acid salts together with hydrocarbon-triazoles and/or -thiazoles
The present invention relates to novel silicate-, borate- and nitrate-free antifreeze concentrates based on alkylene glycols or derivatives thereof which include an inhibitor combination...
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6010639 |
Controlled release supplemental coolant additive
A controlled-release supplement coolant additive for use in diesel engine coolant systems comprising a core containing at least one supplemental coolant additive (SCA) active component and a...
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RE36479 |
Aqueous compositions containing nitrogen-containing salts
A composition is disclosed which comprises water and at least one carboxylic salt dispersed or dissolved in said water, said salt being derived from: (A)(I) at least one derivative formed by...
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5997763 |
Corrosion inhibiting antifreeze compositions containing various carboxylic acids
An anti-freeze concentrate made by adding together at least: a) an alkylene glycol; b) an effective corrosion inhibiting amount, or more, of an unsubstituted benzoic acid; and c) an...
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5961875 |
Antifreeze/coolant composition containing cinnamic acid
An antifreeze/coolant position is disclosed, which can effectively inhibit corrosion of metals, particularly cast aluminum and cast iron, and can also inhibit cavitation damage to metals in an...
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5925173 |
Method of inhibiting corrosion of flux-treated metal surfaces
This invention relates to a method of inhibiting the corrosion of flux-treated metal surfaces. The method comprises the step of contacting the flux-treated metal surface with a formulation...
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5916478 |
Heat-accumulating microcapsule dispersion
Heat-accumulating microcapsule dispersion includes a microcapsule provided as a small-diameter heat-accumulating material including organic compound functioning as heat accumulating material in...
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