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4457308 |
Plastically deformable cooling agent
A plastically deformable cooling agent consists of a mixture of liquid nitrogen with at least 8% by weight of fine-grained silica gel.
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4451383 |
Recyclable hot pad
A liquid melt becomes converted to crystalline form at a particular temperature either spontaneously or when artificially nucleated. The liquid releases heat at crystallization. If the liquid is in...
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4448702 |
Freezing-point-lowering composition and method
The freezing point of an aqueous system is lowered by adding to the system a freezing point lowering quantity of at least one and preferably two or more water soluble salts of dicarboxylic acids...
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4447347 |
Heat storage system
A heat storage system which is comprised of calcium chloride hexahydrate as the storage medium and a nucleating agent, said nucleating agent being a mixture of dolomite and calcium hydroxide.
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4442016 |
Increasing the cycle stability of a sodium sulfate heat exchange medium by adding sulfuric acid
A method is disclosed for increasing the cycle stability of a latent heat accumulator medium consisting essentially of a pure or saturated sodium sulfate salt melt. The cycle stability is increased...
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4439337 |
Composition and method for preventing freezing together of various surfaces
A surface which is to be contacted with another surface, e.g., a particulate material, in the presence of moisture (water) which is subject to freezing, is coated with a composition containing...
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4434190 |
Process for preventing formation of black ice on roads by applying a mixture of salt and aqueous fixation composition onto the road surface
A road surface has fixed thereon a salt which lowers the freezing point of water by means of an aqueous fixation composition which comprises a mixture of an adhesion-promoting agent formed by an...
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4431558 |
Heat accumulating material
The heat accumulating material of this invention comprising three components of calcium chloride (CaCl 2 ), urea [CO(NH 2 ) 2 ] and water (H 2 O) can have varied temperatures of heat accumulating...
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4430241 |
Mixed nitrate salt heat transfer medium and process for providing the same
A process for producing particles of a non-friable eutectic mixture of sodium nitrate and potassium nitrate for solar power station use is disclosed. In one embodiment of the invention, the...
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4430240 |
De-icing chemicals and their preparation from polysaccharide sources
De-icing chemicals intended primarily for de-icing pavement such as roads, ridges, and runways are prepared from polysaccharide sources (e.g. waste products such as sawdust) by reaction at elevated...
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4430242 |
Novel road and highway deicer and traction agent, and process for its manufacture
A process of reacting aqueous acetic acid and crushed raw limestone in such a way as to produce a mixture of calcium acetate, calcium acid-acetate, and unreacted raw limestone devoid of undesirable...
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4427010 |
Method and means for cooling injured parts or areas of a human or animal body
In a method and means (cooling pack) for cooling injured parts or areas of a human or animal body, xylite (C 5 H 12 O 5 ) is used as the cold means. The xylite is dissolved in crystalline form in...
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4426409 |
Cationic polymers for use in freeze protection of coals and minerals
A method for treating fine particles such as minerals and coal particles having surface moisture to reduce the cohesive strength of such particulate particles when frozen which comprises spraying...
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4426307 |
Heat accumulative material
A novel latent heat accumulative material capable of accumulating heat in a temperature range best suited for the storage of solar energy was obtained by adding an organic compound or compounds...
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4426308 |
Process of making calcium acetate deicing agents
A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound,...
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4425251 |
Water-activated exothermic chemical formulations
Intimately mixed dry chemical formulations consisting of (1) a stable acid-acetate salt and (2) a chemical base for use as water-activated exothermic deicing agents, and/or as the dry chemical...
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4421791 |
Side release agent for coal cars
An anti-stick agent for use in preventing coal and other particulate products from freezing to contacted metal surfaces comprises a liquid hydrocarbon vehicle and at least about five percent by...
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4421662 |
Nonaqueous purification of mixed nitrate heat transfer media
A nonaqueous, in-line method for removing carbonate and hydroxide contamination from a molten mixed sodium nitrate/potassium nitrate heat transfer salt. The method comprises dissolving a...
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4418683 |
Separated phase thermal storage system
A thermal storage system employing a fluid having a relatively high boiling point and capable of storage in separate phases, together with a substantial quantity of a chemically-compatible solid...
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4415465 |
Heat-storing composition
Supercooling of sodium thiosulfate pentahydrate is prevented by adding thereto naphtharene or naphthol and/or at least one of calcium sulfate, potassium chloride, sodium chloride, potassium...
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4413869 |
Heat resistant cabinet and method of manufacture
A heat resistant cabinet having at least one protected compartment for storing temperature-sensitive articles. The compartment is surrounded by a heat absorbing layer and may also be surrounded by...
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4410599 |
Compositions for reducing the freeze-adherence of particulate minerals to the walls of transport bins and the like
A side-release composition for use in facilitating the discharge of a frozen cargo of particulate mineral material comprises brine and a sufficient amount of polymeric ethylene oxide in the brine...
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4410431 |
Composition for altering the water function characteristics of mineral slurries
A composition for altering the water function characteristics of a wet, particulate mineral mass combines a surfactant material having an HLB number of from about 6.0 to about 12.0 with a...
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4406806 |
Thermal energy storage
A thermal energy storage medium comprising Na 2 SO 4 .10H 2 O and Na 2 HPO 4 .12H 2 O. This material provides advantages over Na 2 SO 4 .10H 2 O alone such as constancy of heat delivery...
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4406805 |
Hydrated MgCl.sub.2 reversible phase change compositions
A reversible liquid/solid phase change composition comprising hydrated MgCl 2 and one or more of Ba(OH) 2 , Sr(OH) 2 , CaO, SrCO 3 , BaO, Ca(OH) 2 , Mg(OH) 2 , MgO, Na 3 AlF 6 or CaC 2 O 4 ,...
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4402846 |
Hydrated Mg(NO.sub.3).sub.2 /MgCl.sub.2 reversible phase change compositions
A reversible liquid/solid phase change composition comprising hydrated Mg(NO 3 ) 2 /MgCl 2 , and one or more of Sr(OH) 2 , Ca(OH) 2 , CaO or BaO, added to the composition in an effective amount to...
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4400286 |
Heat storage materials suitable in particular for indoor air cooling
The use of Na 2 CrO 4 .10 H 2 O as a heat storage medium is disclosed. Various amounts of Na 2 SO 4 .10 H 2 O may be included to provide a melting temperature between 19° C. and 31.9° C. A...
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4400285 |
Water-activated exothermic chemical deicing formulations
Chemical formulations containing calcium oxide, or unslaked calcined limestone, and a chemical deicing agent. The formulations liberate heat upon contacting ice or snow and materially assist the...
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4398593 |
Heater plate assembly
A heater plate assembly for heating with heat retained from an external heat source including a plate housing adapted to be heated by the external heat source, the plate housing having an internal...
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4394283 |
Stable ice release agent
An aerosol foam composition for inhibiting the bonding of ice precipitates to a substrate comprises propylene glycol mixed with propylene glycol monostearate. The composition is preferably...
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4391267 |
Heat storage material
A liquid melt becomes converted to crystalline form at a particular temperature either spontaneously or when artificially nucleated. The liquid releases heat at crystallization. An additive is...
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4389323 |
Process of making two uniform grades of calcium magnesium acetate
A process of making different grades of calcium magnesium acetate deicing agents, having substantially uniform but different calcium-to-magnesium mole ratios, from limestone having varying...
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4388203 |
Composition and method for melting frozen aqueous solutions
Frozen water is thawed by applying to the surface thereof a composition containing water and substantially water soluble components comprising (1) a polyhydroxy compound or monoalkyl ether thereof,...
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4381245 |
Supercooling inhibitor and process for preparing the same
A supercooling inhibitor comprising a supercooling inhibitor base having all or part of its surface coated with sodium acetate trihydrate. The supercooling inhibitor base comprises one or more...
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4381246 |
Non-fogging premoistened wiper
Fibrous web adapted for wiping purposes bonded with a rubber latex and impregnated with a cleaning lotion containing zinc chloride.
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4374743 |
Method of preparing snow and ice control compositions
A method of preparing a snow and ice control composition to improve traction on ice and snow covered surfaces. The composition comprises coal ash, binder, a melting depressant and enough water to...
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4372866 |
Heat storage medium of NaOH-H.sub.2 O-TeO.sub.2
A heat storage medium consists of sodium hydroxide and water, the sodium hydroxide concentration being in the range greater than the stoichiometric concentration in sodium hydroxide monohydrate up...
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4371031 |
Arrangement for air conditioning control in buildings
Air condition control for buildings, having a roof structure of roof trusses relatively widely spaced, between which self-supporting roof plates are laid and covered by a covering layer so that a...
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4361491 |
Supercooled fluids and methods of producing such supercooled fluids
This invention relates to a method of producing articles which generate heat at a substantially constant temperature for an extended period of time and which are able to remain in a stable state...
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4360442 |
Ethylene carbonate as a phase-change heat storage medium
Ethylene carbonate is used as a heat storage medium in a process for the storage of heat wherein the medium changes phase during the release and absorption of heat.
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4358291 |
Solid state renewable energy supply
A solid state renewable energy supply is provided by the oxidation of a passivating oxide forming solid state material in the presence of oxygen under the control of a passivating oxide preventing...
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4358389 |
Agent for de-icing and protecting against icing-up
A liquid agent for de-icing and protecting against icing-up is described, by means of which it is possible, in particular, to free the metal surface of aircraft rapidly and completely from ice,...
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4349446 |
Glauber's salt heat storage compositions, crystal habit modifiers
Degradation of heat storage capacity in Glauber's salt heat storage compositions on thermal cycling is substantially decreased by addition of small amounts of crystal habit modifiers.
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4342661 |
Heat storage medium
A heat storage medium contains (a) a sodium hydroxide in concentration from 60% by weight up to and including the stoichiometric concentration in sodium hydroxide monohydrate, (b) water in...
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4341649 |
Energy storage medium and method
An energy storage medium that can be raised to a high energy state which is comprised of a gel of polyethylene oxide, water, and a salt which causes gelation of polyethylene oxide and water at or...
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4341262 |
Energy storage system and method
An energy storage system of increased conductivity for enhanced receipt, capture, storage, removal and release of energy is provided by dispersing finely divided filaments of highly conductive...
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4339338 |
Method of reducing the strength of adhesion of solid particulate materials to metal surfaces
This invention is directed to a method for reducing the strength of adhesion of solid particulate materials to metal surfaces as occurs under water freezing conditions by coating the metal surface...
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4338359 |
Method of facilitating low temperature discharge from a container of particulate material
Low temperature discharge of particulate material from a hopper or the like is facilitated by coating the hopper walls with a water solution of an inorganic freeze point depressant, the solution...
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4332690 |
Heat storage system comprising a phase change medium and a nucleating agent
A heat storage system comprises a phase change medium and a nucleating agent. The phase change medium is prepared by mixing a gest molecule and water if necessary, with a gelating agent, an...
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4331731 |
Exothermic body
The present invention provides an exothermic body for use of an insole of shoes and so forth with elasticity, softness and flexibility, the exothermic heat of which is distributed uniformly along...
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